Mitsubishi MOTORS Laser 1991 Service Manual
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Mitsubishi MOTORS Laser 1991 Service Manual

Mitsubishi MOTORS Laser 1991 Service Manual

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This Service Manual has been prepared with the
latest service information available at the time of
publication. It is subdivided into various group
categories and each section contains diagnosis,
disassembly, repair, and installation procedures
along with complete specifications and tightening
references. Use of this manual will aid in properly
performing any servicing necessary to maintain or
restore the high levels of performance and reliability
designed into these outstanding vehicles.
NOTE: For Engine, Chassis & Body,
Printed in U.S.A.
refer to Volume-l
"Engine, Chassis & Body".

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Summary of Contents for Mitsubishi MOTORS Laser 1991

  • Page 1 This Service Manual has been prepared with the latest service information available at the time of publication. It is subdivided into various group categories and each section contains diagnosis, disassembly, repair, and installation procedures along with complete specifications and tightening references.
  • Page 2 Name Symbol Dedicated fuses Main fusible links Multi-purpose fuse block Sub fusible links . a--r and 10.
  • Page 3 INSPECTION TERMINAL LOCATION Name Symbol Name Symbol Fuel pump check connector Self-diagnosis connector. Ignition timing adjustment connector Terminal for detecting the engine revolution speed Oxygen sensor check connector NOTE The “Name” column is arranged in alphabetical order. for detecting the engine revolution speed...
  • Page 5 NOTE (1) *I: Vehicles with automatic seat belt (2) **: Vehicles with ABS...
  • Page 6 crossmember. front Symbol Name Diode (for ABS circuit) Diode (for door ajar-warning circuit) Diode (for pop-up circuit) Diode (for theft-alarm circuit) NOTE The “Name” column is arranged in alphabetical order.
  • Page 8 JUNCTION BLOCK To engine compartment wiring-harness No connection To instrument h a r n e s s - -Heater relay horn relay Fuse block (multi-purpose fuses) Remarks Same in the diagram indicate the counterparts alphabets of connectors. parentheses ( 1.
  • Page 9 CENTRALIZED JUNCTION Housing color Rated capacity @I Circuit Blue Pink Radiator fan motor circuit Pink Ignition switch circuit Yellow ABS circuit <Vehicles with ABS> <Vehicles without ABS> Circuit Housing color Rated capacity (A) Alternator circuit, sub fusible link 0, 0, @, 0, @ Black, Blue * 80, 100”...
  • Page 10 Load circuit Rated capacity (A) Power supply circuit Automatic seatbelt control unit, key reminder switch, passing Battery control relay, seatbelt warning buzzer, taillight relay, theft- alarm starter relay Ignition switch Air conditioner control unit, air conditioner switch, defogger timer, heater relay, power window relay, transistor relay*, daytime running light relay 2*, ABS relay Radio Cigarette lighter, remote controlled mirror...
  • Page 11 Sub fusible link @ Blue...
  • Page 12 Classification Name Classification Name Condenser fan motor high- Engine Engine A-l 7X Taillight relay low changeover relay ment ment A-l 8X Condenser fan motor relay L.H. side Headlight relay relay box relay box A-l 9X Magnetic clutch relay Radiator fan motor relay Interior Door lock relay Pop-up motor relay...
  • Page 13 Following procedures shall be followed for testing conti&ty and voltage at connector in order to prevent improper contact and deterioration of waterproof in connector. Check shall be done by inserting a probing needle from harness side. When terminal stopper of connector is out of order, engagement of male and female terminals becomes improper even when con- nector itself is engaged perfectly and terminal sometimes slips out to rear side of connector.
  • Page 14 (2) Insert harness of terminal to be rectified deep into connector from harness side and hold it there. (3) Insert tip of screwdriver [1.4 mm (06 in.) width] into connector in a manner as shown in the figure, raise housing lance slightly with it and pull out harness.
  • Page 15 INSPECTION OF HARNESS CONNECTOR (1) Disengage front holder by using a screwdriver and remove it. (2) Insert tip of screwdriver (“0.8 mm (03 in.) width] into connec- tor in a manner as shown in the figure, push it lightly to raise housing lancer and pull out harness.
  • Page 16 The most important point in troubleshooting is to determine “Probable Causes”. Once the probable causel’& determined, parts to be checked can be limited to those associated with such probable causes. Therefore, Uhnec- supported by facts and must not be based on intuition only. If an attempt is made to solve a problem without going through correct steps for troubleshooting, the problem symptoms could become more complicated, resulting in failure to determine the causes correctly and making incorrect repairs.
  • Page 17 INSPECTION Check relay operation, blower motor rotation, light illumina- tion, etc. visually or aurally. The flow of current is’invisible but can be checked by the operation of the parts. ’ For example, if a headlight does not come on and a faulty fuse or poor grounding is suspected, replace the fuse with.a new one or ground the light to the body by a jumper wire to deter- mine which part is responsible for the problem.
  • Page 18 A jumper wire is used to close an open circuit. Never use one to connect a power supply directly to a load. A voltmeter is used to measure the circuit voltage. Normally, the positive (red lead) probe is applied to the point of voltage measurement and the negative (black lead) probe to the body ground.
  • Page 19 This figure illustrates a complex switch. The continuity between terminals at each position is as indicated in the table below. NOTE Cover the coil of a relay, its core is 1. When current flows through magnetized to attract the iron piece, closing (ON) the contact Coil Spring at the...
  • Page 20 When a normal close type relay as illustrated here is checked, Normal close (NC) type there should be continuity between terminals (1) and (2) and Energized state between terminals 3 and 4 when the relay is deenergized, the continuity should be lost between terminals 3 and 4 when the battery voltage is applied to the terminals 1 and 2.
  • Page 21 1. Check connections for looseness, rust and stains. 2. Check terminals and wires for corrosion by battery electrolyte, etc. 3. Check terminals and wires for open circuit or impending open circuit. grading. 5. Check conductive parts of terminals for contact with other metallic parts (vehicle body and other parts).
  • Page 22 Power supply A circuit consists of the power supply, switch, relay, load, ground, etc. There are various methods to check a circuit including an overall check, voltage check, shortcircuit check and continuity check. Each of these methods is briefly described in the following. (1) Ground one lead wire of the test light.
  • Page 23 Continued from previous page Power supply ‘est Fuse block Switch ON the switch. (Remove the fuse (The test light illumi- nates but the illumi- nation light does not.) YES +B The test light re- mains illuminated. light switch and the illumination light.
  • Page 26 License plate light wiring harness ABS wiring harness** Instrument panel wiring harness harness harness <FWD Body wiring harness Battery cable assembly Engine room wiring harness NOTE (2) *l Indicates also equipped at the right side. (3) *2 indicates vehicles with ABS.
  • Page 27 CONFIGURATION DIAGRAMS - The wiring diagrams are prepared in such a way that the arrangement of connectors for each vehicle, and the routing of each harness, can be easily understood for each individual wiring section. Indicates the connector number. The connector number used is the same number as that used for circuit diagrams; these numbers facilitate the location of the connector positions.
  • Page 28 ENGINE COMPARTMENT 4.8L Engine> To engine and transaxle ‘Ground (connector symbol cable Connector symbol Ground ne and transaxle Refer to Taillight relay A-l 7X Condenser fan motor CENTRALIZED Headlight relay high-low changeover relay Radiator fan motor relay Refer to A-l 8X Condenser fan motor relay Pop-up motor relay CENTRALIZED...
  • Page 29 CONFIGURATION DIAGRAMS To dash panel (connector symbol El) A-l 7X - - - - - - - A-28 (connector symbol a) Control wiring harness and engine compartment wiring harness combination Air flow sensor Automatic transaxle fluid temperature sensor Fuel pump check connector Noise condenser Pulse generator <AA>...
  • Page 30 CONFIGURATION DIAGRAMS - Engine Compartment <Z.OL DOHC Engine (Non-Turbo)> ENGINE COMPARTMENT <2.OL DOHC Engine (Non-Turbo)> To engine and transaxle (connector Connector symbol Ground cable (connector symbol Refer to Taillight relay Condenser fan motor A-l 7X CENTRALIZED Headlight relay high-low changeover relay JUNCTION Radiator fan motor relay Condenser fan motor relay...
  • Page 31 CONFIGURATION DIAGRAMS - dash panel (connector symbol fl) (connector symbol Control wiring harness and engine Hydraulic unit compartment wiring harness combination Air flow sensor ABS front speed sensor (Right side) Automatic transaxle fluid temperature sensor Fuel pump check connector Pulse generator <A/T> Defogger relay Radiator fan assembly Front turn-signal light (Right side)
  • Page 32 Engine Compartment <2.OL DOHC Engine (Turbo)> To engine and transaxle Ground (connector symbol ail) Connector symbol Ground (connector symbol n Refer to Condenser fan motor Taillight relay A-l 7X CENTRALIZED high-low changeover relay Headlight relay JUNCTION Condenser fan motor relay Radiator fan motor relay Refer to A-l 8X...
  • Page 33 CONFIGURATION DIAGRAMS To dash panel (connector symbol To engine and transaxle ABS front speed sensor (Right. side) Hydraulic unit Fuel pump check connector Air flow sensor Defogger relay Automatic transaxle fluid temperature sensor Engine speed adjustment connector Pulse generator <AIT> Radiator fan assembly Ignition timing adjustment connector Front turn-signal light (Right side)
  • Page 34 To engine compartment ( c o n n e c t o r s y m b o l i&l) L\ b& B-l 6 To engine compartment (connector symbol @I) y- Injector No. 4 Oil pressure gauge unit Throttle position sensor Back-up light switch <M/T>...
  • Page 35 Connector symbol To engine compartment (connector symbol B-l 5 B-l 6 B-l 7 B-l 8 B-l 9 To engine compartment (connector symbol compartment symbol f&f) Oil pressure gauge unit Injector No. 4 Back-up light switch tMiT> Throttle position sensor valve Idle speed control actuator Inhibitor switch Idle switch...
  • Page 36 Connector symbol To interior (connector symbol To interior To inkrument panel To instriment panel (connector symbol 0) and floor console and floor console (connector symbol (connector symbol lI% Auto-cruise control unit or jumper connector Theft-alarm starter relay <M/T> Floor console wlrmg harness and body wiring Ignition switch Kev reminder switch harness combination...
  • Page 37 CONFIGURATION DIAGRAMS symbol To i\nterior (connector symbol Vehicles with an air conditioner Air therm0 sensor Heater relay Theft-alarm horn relay Instrument panel wiring harness and junction block combination No connection Engine compartment wiring harness and junction block combination [Junction block I Body wiring harness and junction block , To instrument panel combination...
  • Page 38 Connector symbol Oxygen sensor check connector Instrument panel wiring harness and body Control wiring harness and body wiring Engine compartment wiring harness and body harness combination wiring harness combination Remarks Control wiring harness and body wiring harness combination wiring harness. Instrument panel wiring harness and engine compartment wiring harness combination refer to P.84.
  • Page 39 CONFIGURATION DIAGRAMS D-l 1 Refer to d&h panel (connector symbol m) D-l 7 D-l 6 D-O 1 Rheostat D-l 5 Cigarette lighter illumination light Fog light switch Cigarette lighter (+) Pop-up switch Cigarette lighter (-1 Front speaker (Left side) D-l 8 Overdrive switch and automatic transaxle selector lever position illumination light Heater control panel illumination light...
  • Page 40 Connector symbol To dash panel (connector symbol Dome light (for theft-alarm system) Door speaker (Right side) Door mirror (Right side) Power window motor (Right side) (for theft-alarm system) Power window sub-switch Outer switch (for automatic seat belt) Back-up light (Right side) Door latch switch (Right side) (for automatic seat belt) Door key cylinder unlock switch (Right side)
  • Page 41 CONFIGURATION DIAGRAMS Seat belt buckle switch or seat belt switch* Noise condenser Parking brake switch Intermittent wiper relay (Rear wiper) Door wiring harness and body wiring harness Dome light relay combination (Right side) Automatic seat belt motor relay (Left side) Automatic seat belt motor relay (Right side) Fuel wiring harness and body wiring harness Defogger (+I...
  • Page 43 Defogger Circuit ...........
  • Page 44 How to Read Circuit Diagrams The circuit of each system from the fuse (or fusible link) to ground is shown. The power supply is shown at the top and the ground at the bottom to facilitate understanding of how the current flows. Indicates connector No.
  • Page 45 Indicates that the dia- ram is continued from Indicates input/output to/from Indicates J/B (Junction Block). Indicates vehicle body ground Indicates that the terminal is a...
  • Page 47 the equipment is shown; for intermediate connectors, the symbol for the connector at the male side is shown.
  • Page 48 Devices appearing in circuit diagrams are indicated by the following symbols. Battery Capacitor Body ground Single bulb Resistor Diode Fusible link ECU interior Speaker Coil Transistor Crossing of wires ground Motor Horn Buzzer Chime Connector Pulse generator Photo transistor Thyristor Piezoelectric Thermistor Light emitting...
  • Page 49 VEHICLES WITH ABS BATTERY FUSIBLE LINK AUTOMATIC ALTERNATOR (B-TERMINAL) MOTOR RELAY ALTERNATOR (S-TERMINAL) RELAY POWER WINDOW RELAY DEDICATED FUSE HEADLIGHT HAZARD SWITCH...
  • Page 50 Power Distribution Circuit *INHIBITOR FAN MOTOR MOTOR RELAY 7 ----------___------------~~~~~ IULTI-PURPOSE FUSE *DEFOGGER TIMER CONTROL UNIT MIRROR BWI TCH *INHIBITOR WITCH UTOMATIC *THEFT- CHANGE OVER UNIT *INTERMITTENT RADIO *DAYTIME RUNNING THEFT-ALARM WIPER RELAY LIGHT RELAYPXl CONTROL UNIT REMARKS POSITIONS "ACC", "ON" AND "ST" COMBINED.
  • Page 51 SUB FUSIBLE COMBINATION LIGHT 5 .-------------------------------. MULTI-PURPOSE FUSE CO BINATION LIGHT DOOR LOCK RELAY (LIGHTING BWITCH) THEFT-ALARM HORN RELAY CONTROL UNIT*IGNlTION KEY RELAY ILLUMINATION CONTROL UNIT REMARK...
  • Page 52 IGNITION MAIN USIBLE LINK FUEL PUMP CONTROL RELAY DISTRIBUTOR 5 ASSEMBLY 107 56 C-65...
  • Page 53 FUS IBLE AIR CONDITIONER LINK CONTROL UNIT COMBINATION MAGNETIC...
  • Page 54 102 C-64 --- ------- --- ___ _-----_-_---- 13 23 6 24 20 CALIFORNIA)
  • Page 55 CONTROL RELAY INJECTOR 2 A-47 3 I- IDLE SPEED CONTROL ACTUATOR...
  • Page 56 IGNITION COIL CRANK ANGLE AND TOP DEAD CENTER SENSOR 2 c-59...
  • Page 57 JSIBLE INHIBITOR IGNITION SWITCH CONTROL RELAY - - - - - - - - - - - - - 6 C-65 CONTROL UNIT...
  • Page 58 SUB I IBLE LINK AIR CONDITIONER CONTROL UNIT 7 C-67 AUTOMATIC TRANSAXLE...
  • Page 59 102 C-64 P O W E R THROTTLE MOTOR SWITCH SENSOR (VEHICLES FOR CALIFORNIA)
  • Page 60 SOLENOID 1 INJECT0 INJECTOR 52 ------__-- 31 -----_----- 16 ---...
  • Page 61 terminal control Ah-flow sensor Crankshaft fa’gle sensor, -TDC sansor...
  • Page 62 CONNECTOR E------------...
  • Page 63 NG NE SPEED DJ STMENT CONNECTOR COMBINATION 10 - - - - - - - - - - - - ,109 54 -------...
  • Page 64 AIR FLOW SENSOR SWITCH THROTTLE COOLANT POSITION (VEHICLES FOR CALIFORNIA)
  • Page 65 REVERSE SIDE...
  • Page 66 Circuit <2,OL SUB FUSI ENGINE 2 B-31@ 4 C-67...
  • Page 67 DOHC Engine (Non-TurW-~> 4 E-47 2 E-69 CONNECTOR FUEL PUMP INHIBITOR SWITCH CONTROL RELAY 104 C-64 CONTROL UNIT...
  • Page 68 Engine (Non-TurboIA/T> DOHC ADJUSTMENT CONNECTOR COMBINATION 54 ,------_...
  • Page 69 AIR FLOW 6ENSOR 3 -- 58 .--_ 106 ~lolt%------------k@~20 IDLE SWITCH EGR TEMPERATURE g;gt;;iT POWER THROTTLE STEERING OIL...
  • Page 70 CHECK CONNECTOR IGNITION OXYGEN SENSOR TIMING OXYGEN FRONT SIDE ADJUSTMENT CHECK SENSOR CONNECTOR CONNECTOR REVERSE SIDE...
  • Page 71 CIRCUIT DIAGRAMS SUB FUSII CONDITIONER "2 TRANSAXLE CONTROL UNIT...
  • Page 73 FUEL PUMF AND GAUGE...
  • Page 74 8-74 IGNITION COIL TO SPARK PLUG ADJUSTMENT CONNECTOR COMBINATION 54 -------...
  • Page 75 CIRCUIT DIAGRAMS CRANK ANGLE AND TOP DEAD CENTER SENSOR 1 A-51 - - - - - ENGINE THROTTLE CALIFORNIA)
  • Page 76 8-76 CIRCUIT DIAGRAMS IGNITION TIMING ADJUSTMENT CONNECTOR > CHECK CONNECTOR CHECK CONNECTOR DETONATION !f$#/ FRONT SIDE REVERSE SIDE...
  • Page 77 SUB FUSIE UNIT A-OS ENGINE 65 C-65...
  • Page 78 8 - 7 8 IGNITION SUB FUSIBLE LINK @ KEY IS REMOVED WITH TO SPARK PLUG I - - ADJUSTMENT CONNECTOR COMBINATION METER 55 C-65 - - - - - - - - - - - - - - - - - - - - - - - ITCH CONTROL...
  • Page 79 , FWD AAWD CONNECTOR FUEL PUMP AND GAUGE RELAY 1 08 C-64 CONTROL UNIT...
  • Page 80 SUB FUS UNIT DUAL ELC 4-SPEED AUTOMATIC TRANSAXLE CONTROL UNIT ENGINE COOLANT TEMPERATURE...
  • Page 81 CONTROL RELAY FWD .AWD ,' SWITCH ENGINE THROTTLE COOLANT (VEHICLES FOR CALIFORNIA)
  • Page 82 2 A-13 "5 02 C-61 6 -7 IGNITION TIMING ADJUSTMENT CONNECTOR > CHECK CONNECTOR FRONT SIDE POWER STEERING REVERSE SIDE...
  • Page 83 EGR control solenoid valve [Calif. only] Purge control solenoid valve Injector Fuel pressure control valve [Turbo only1 Fuel pump check terminal Throttle position sensor Ignition coil, Power transistor...
  • Page 84 CIRCUIT DIAGRAMS...
  • Page 85 CIRCUIT DIAGRAMS - Coolina Circuit COMPONENTS LOCATION Symbol Name Symbol Air conditioner control unit Condenser fan motor relay Radiator fan motor relay Condenser fan motor High-Low select relay NOTE The “Name” column is arranged in alphabetical order. Air condjtioner unit...
  • Page 86 IGNITION POWER WINDOW RELAY...
  • Page 87 POWER POWER WINDOW WINDOW RELAY RELAY MAIN SWITCH ONE-TOUCH DOWN CIRCUIT DOWN SWITCH (PASSENGER'S SIDE) POWER WINDOW POWER WINDOW MOTOR MOTOR (PASSENGER'S SIDE)
  • Page 88 COMPONENTS LOCATION Name Symbol Power window relay...
  • Page 89 CIRCUIT DIAGRAMS I (IGl) 7 ---_-~---_---- -__---____--____--__---------------- - - - - 14 C-58 THEFT-ALARM CONTROL UNIT INHIBITOR SWITCH 03 I 04 -- - UNIT STARTER MOTOR...
  • Page 90 CIRCUIT DIAGRAMS - ELC-4-Speed Automatic Transaxle Circuit IGNITION A/T SELECTOR OVER POWER/ LEVER POSITION DRIVE ECONOMY ILLUMINATION SWITCH LIGHT "4 "5 1 6 C-45 Remark...
  • Page 91 CIRCUIT DIAGRAMS AIR CONDITIONER IGNITION COIL CONTROL UNIT 1. 8L ENGINE AUTOMATIC UNIT SELF -DIAGNOSIS CONNECTOR FRONT SIDE CRUISE CONTROL UNIT TRANSAXLE SOLENOID VALVE Remark h a r n e s s f o r a u t o - c r u i s e c o n t r o l system.
  • Page 92 CIRCUIT DIAGRAMS 2. OL DOHC ENGINE SUB FUSIBLE LINK 0 I SWITCH q ’ - - .-v. . SWITCH , A-38 .- TURBO AUTOMATIC GENERATOR FRONT SIDE SIDE...
  • Page 93 CIRCUIT DIAGRAMS - Name Symbol Diagnosis connector Pulse generator B Solenoid valves Engine control unit Throttle position sensor Oil temperature sensor Transaxle control unit Power (PWR)/Economy (ECO) select switch Pulse generator A Vehicle-speed sensor NOTE Refer to GROUP 14-On vehicle inspection of MPI components for installation position of throttle position sensor.
  • Page 95 CIRCUIT DIAGRAMS - Central Door Locking Circuit CENTRAL DOOR LOCKING CIRCUIT SUB FU IBLE LINK 8 d 1 c-50 UNLOCK 4 I DOOR LOCK DOOR LOCK ACTUATOR (LEFT SIDE)
  • Page 96 IGNITION IGNITION SUB FU LINK 6 1 c-50 CONTROL 7 ll C-19...
  • Page 97 CIRCUIT DIAGRAMS Symbol Name Door lock control unit Door lock relay Theft-alarm control unit Theft-alarm control unit...
  • Page 98 CIRCUIT DIAGRAMS - Heater Circuit IGNITION LIGHTING HEATER CONTROL BLOWER SWITCH...
  • Page 99 GNITION SUB FUSIBLE LINKa BLOWER RESISTOR RHEOSTAT 3 6 2 '7...
  • Page 100 CIRCUIT DIAGRAMS SUB FUSIBLE LINK @ IGNITION MAIN FUSIBLE LINK@ CONDENSER FAN MOTOR RELAY CONDENSER RESISTOR CONDENSER FAN MOTOR > CONDENSER FAN MOTOR ASSEMBLY OFF--ON...
  • Page 101 CIRCUIT DIAGRAMS CONDENSER SUB FUS BLE LINK 8 BLOWER SWITCH CONTROL UNIT 1. BL ENGINE ENGINE "2 OFF--ON MPI CONTROL UNI'I...
  • Page 102 Symbol Name Symbol Name Condenser fan motor relay Air conditioner control unit Dual pressure switch Air conditioner switch Engine coolant temperature switch Air inlet sensor Heater relay Air therm0 sensor Magnet clutch relay Blower motor High relay NOTE The “Name” column is arranged in alphabetical order.
  • Page 103 Heater relay -,i...
  • Page 104 IGNITION REMOTE SWITCH (LEFT BIDE) (RIGHT SIDE) REMOTE CONTROL MIRROR...
  • Page 105 CIRCUIT DIAGRAMS COMBINATION METER AUTOMATIC SEAT BELT CONTROL UNIT OUTER SWITCH...
  • Page 106 CIRCUIT DIAGRAMS AUTOMATIC SEAT BELT CONTROL UNIT SUB FUSIBLE LINK 5 "16 AUTOMATIC SEAT (LEFT BELT MOTOR RELAY SIDE) OF? (RIGHT SIDE) AUTOMATIC SEAT BELT SIDE) AUTOMATIC SEAT BELT CONTROL UNIT CONTROL UNIT t n e x sYmt3oL Is appllcaole To v e h i c l e s w i t h...
  • Page 107 Name Name Symbol Automatic seat belt control unit Fasten switch Automatic seat belt motor Key reminder switch Automatic seat belt motor relay Outer switch Buckle siitch Seat belt warning light Buzzer Release switch Door latch switch...
  • Page 108 Automatic seat Automatic seat belt control unit Automatic seat Kev reminder switch...
  • Page 109 CIRCUIT DIAGRAMS - Buzzer Circuit ZZER CIRCUIT (VEHICLES FOR CANADA) IGNITION SWITCHtIGl) SUB FUSIBLE LINK @ KEY .' WHEN KEY WHEN KEY IS REMOVED IS INSTALLED SEAT BELT METER WITH DIODE 2 E-48 FRONT DiOR SWITCH (LEFT BIDE)
  • Page 110 Symbol Name Seat belt timer...
  • Page 111 DIODE HYDRAULIC RELAY VALVE...
  • Page 112 STOP LIGHT SWITCH STOP LIGHT...
  • Page 113 CIRCUIT DIAGRAMS SPEED SENSOR FRONT REAR (LEFT SIDE) (RIGHT SIDE) (LEFT SIDE) (RIGHT SIDE) 11 A28 CONTROL UNIT 18 C-17, CONNECTOR REVERSE SIDE...
  • Page 114 MAIN LINK 2 c-17 DIODE E- 13 HYDRAULIC UNIT - - - SOLENOID VALVE 7 -x--5...
  • Page 115 STOP LIGHT RESISTOR...
  • Page 116 CIRCUIT DIAGRAMS SPEED SENSOR FRONT REAR (LEFT SIDE) (RIGHT SIDE) (LEFT SIDE) (RIGHT SIDE) 33 - 10 - 28 - CONTROL UNIT CONNECTOR REVERSE SIDE...
  • Page 117 CIRCUIT DIAGRAMS (ABS) Circuit COMPONENTS LOCATION Symbol Name Symbol Name Diode ABS control unit Front speed sensor ABS motor relay Rear speed sensor ABS power relay Self-diagnosis connector ABS valve relay Stop light switch ABS warning light NOTE The “Name” column is arranged in alphabetical order. warning...
  • Page 118 Symbol Name Name Symbol Diode ABS control unit Front speed sensor ABS motor relay G-sensor ABS power relay Rear speed sensor ABS valve relay Self-diagnosis connector warning light Stop light switch NOTE The “Name” column is arranged in alphabetical order.
  • Page 119 light connector...
  • Page 120 Anti-Lock Braking System (ABS) Circuit...
  • Page 121 Auto-Cruise Control Cikuit IGNITION AUTO-CRUISE CONTROL UNIT SELF-DIAGNOSIS CONNECTOR REVERSE SIDI I In c-m J/B r 5 c-54...
  • Page 122 AUTO-CRUISE 7 c-54 '3 C-52 20 - COLUMN SWITCH AUTO-CRUISE CONTROL SWITCH 0. a5-GW STOP L I G H T OPEN CONNECTOR CRUISE CONTROL VACUUM PUMP AUTO-CRUISE CONTROL UNIT...
  • Page 123 CONTROL UNIT...
  • Page 124 IGNITION IGNITION 1234 1 c-47 4 C-52 '13 c-50 3 /I OVER DRIVE WHEN SWITCH KEY IS REMOVED 3 4 6 6 OD OFF INDICATOR LIGHT AUTO-CRUISE CONTROL UNIT SELF-DIAGNOSIS CONNECTOR FRONT SIDE REVERSE SIDE THEFT-ALARM STARTER MOTOR CONTROL UNIT...
  • Page 125 CIRCUIT DIAGRAMS IGNITION 6 C-55 COLUMN SWITCH CONTROL SWITCH STOP LIGHT AUTO-CRUISE CONTROL UNIT...
  • Page 126 CONTROL UNIT...
  • Page 127 AUTO-CRUISE CONTROL-UNIT ------- CONTROL UNIT...
  • Page 128 Name Name Symbol Accelerator pedal switch <AIT> Idle switch Auto-cruise control actuator Inhibitor switch <A/T> Auto-cruise control switch Motor position sensor (Idle switch) Auto-cruise control unit Overdrive switch <A/T> Auto-cruise control vacuum pump Stop light switch Auto-cruise indicator light Throttle position sensor Clutch switch <M/T>...
  • Page 129 Vehicle speed sensor (Reed switch) Auto-cruise indicator light...
  • Page 130 ------------- 9 C-72 SIDE) DOOR SWITCH...
  • Page 131 SUB FUSIBLE LINK a DOOR LOCK RELAY...
  • Page 132 SWITCH HOOD SWITCH CONN...
  • Page 133 CIRCUIT DIAGRAMS IGNITION SW \ STARTER MOTER STARTER MOTER...
  • Page 134 SUB F SIBLE LINK & 56 C-20 COLUMN SWITCH PASSING - - - - -...
  • Page 135 CIRCUIT DIAGRAMS IGNITION DIODE (DRIVER 8IDE) (PASSENGER SIDE) DOOR SWITCH...
  • Page 136 RELAY DOOR LOCK SIDE)
  • Page 137 HORN RELAY SIDE) THEFT-ALARM CONTROL UNIT...
  • Page 138 IGNITION NDER CRUISE INHIBITOR SWITCH - - - - STARTER MOTER STARTER MOTER...
  • Page 139 Name Symbol Name Symbol Theft-alarm control unit Theft-alarm starter relay <A/T> Theft-alarm horn relay Theft-alarm starter relay <M/l> control unit...

  • Page 141: Table Of Contents

    Spark Plug Cable Test ......175 Spark Plug Test ........Alternator ............ Specifications ..........Service Adjustment Procedures ....144 General Specifications ......Charging System Inspection ....144 Service Specifications ......Specifications ..........Torque Specifications ......General Specifications ......1 7 1 Troubleshooting ...........

  • Page 142: Charging System

    Specifications Items Alternator Alternative current type with voltage regulator Rated output <U.S.A. - M/T - Non-Turbo> 1 Z/65 <U.S.A. - AA, U.S.A. - Turbo, CANADA - 1.8L Engine, CANADA - 2.OL Engine - M/T - Non-Turbo> <CANADA - 2.OL Engine - A/T, CANADA - 2.OL Engine-Turbo>...

  • Page 143: Troubleshooting

    CHARGING SYSTEM - Troubleshooting - H A L When the ignition switch is switched to the “CN” position, electricity flows from the “L” terminal, of the alternator to the field coil, and at the same time the charging warning light illuminates. When the engine is started, charging voltage is applied to the “L”...
  • Page 144 NOTE Use of a clamp type ammeter that can measure current without disconnecting the harness’ is preferred. The reason is that when checking a vehicle that has a low output current due to poor connection of the alternator “B” terminal, such poor connection is corrected as the “B”...

  • Page 145: Service Adjustment Procedures

    CHARGING SYSTEM This test judges whether or not the alternator gives an output current that is equivalent to the nominal alternator “B” terminal. output. between the “B” terminal and the disconnected output wire. Connect the (+ 1 lead“ of’ the ammeter to the “B”...
  • Page 146 Service Adjustment Procedures on to limit value. If it is lower but the alternator output wire is normal, remove the alternator from the vehicle and check it. the engine speed to the idle speed and turn off the ignition switch. engine tachometer.
  • Page 147 8-147 CHARGING SYSTEM R e s u l t regulating voltage table below, the voltage regulator is functioning correctly. If the reading is other than the standard value, the voltage regulator or the alternator is faulti/., , Voltage regulator ambient Regulating voltage-V temperature OC (OFI - 2 0 (-4)
  • Page 148 (Refer to panel.) GROUP 23-Loose Post-installation Operation (Refer to GROUP 23-Loose panel.1 12-15 Nm 1 5 - 2 2 Nm __ 11-16 ft.lbs. 6 - 7 ft.lbs. Removal steps 8. Alternator wiring harness connector 1. Condenser fan motor (air conditioner connection equipped models) 9.
  • Page 149 CHARGING SYSTEM 2. Seal a 3. Rotor assembly 4. Rear bearing 5. Bearing retainer 6. Front bearing 7. Front bracket 8. Stator 9. Terminal 10. Plate 11. Regulator and brush holder 12. Brush 13. Brush spring NOTE 14. Slinger 15. Rectifier 16.
  • Page 150 dered (1) When removing stator, unsolder three stator leads soldered to main diodes on rectifier. (2) When removing rectifier from brush holder, unsolder two soldered points to rectifier. (1) Check rotor coil for continuity. Check to ensure that there is continuity between slip rings.
  • Page 151 CHARGING SYSTEM - Alternator (2) Check coil for grounding. Check to ensure that there is no continuity between coil and core. If there is continuity, replace stator assembly. Check for continuity between positive rectifier and stator coil lead connection terminal with a circuit tester. If there is continuity in both directions, diode is shorted.
  • Page 152 CHARGING SYSTEM - Alternator (2) Unsolder pigtail and remove old brush and spring. (3) Install brush spring and new brush in brush holder. to .118 in.) between the limit line and the end of the brush holder. (5) Solder pigtail to brush holder as shown in the illustration. Soldered SERVICE POINTS OF REASSEMBLY Before rotor is attached to rear bracket, insert wire through...

  • Page 153: Specifications

    Items Starter motor Direct drive R e d u c t i o n d r i v e Rated output No. of pinion teeth Specifications Standard value Starter motor Direct drive type Free running characteristics Terminal voltage V Current 60 or less Speed 6,600 or more...

  • Page 154: Torque Specifications

    STARTING SYSTEM TORQUE SPECIFICATIONS Items 2 7 - 3 4 Starter motor mounting bolts 7-11 Starter wiring harness connector mounting nut 2 - 3 Battery holder mounting bolts 9 - 1 4 Battery tray mounting bolts 1 3 - 1 8 Intake manifold stay mounting bolts...
  • Page 155 STARTING SYSTEM - Troubleshooting Vehicles with theft-alarm system <M/T> IGNITION J/B @ SWITCH THEFT-ALARM CONTROL UNIT STARTER MOTER...
  • Page 156 UNIT WHEN KEY IS REMOVED ,$ ,$ STARTER RELAY INHIBITOR SWITCH - 2 7 THEFT-ALARM CONTROL UNIT STARTER MOTER...

  • Page 157: Starter Motor

    Troubleshooting/Starter Motor OPERATION For models equipped with the M/T, the clutch For models equipped with the A/T, when the pedal switch contact is switched OFF when the ignition switch is switched to the “ST” position clutch pedal is depressed; when the ignition while the selector lever is at the “P”...
  • Page 158 STARTING SYSTEM INSPECTION (1) Disconnect field coil wire from M-terminal of magnetic switch. (2) Connect a 12V battery between S-terminal and M-terminal. and pinion will move out. (3) Set switch to “ON”, Field coil wire (4) Check pinion to stopper clearance (pinion gap) with a feeler gauge.
  • Page 159 STARTING SYSTEM connect a fully-charged 12-volt battery follows: (2) Connect a test ammeter (loo-ampere scale) and carbon pile rheostat in series with batten/ positive post and starter motor terminal. (3) Connect a voltmeter (15-volt scale) across starter motor. (4) Rotate carbon pile to full-resistance position. (5) Connect battery cable from battery negative post to starter motor body.
  • Page 160 STARTING SYSTEM - Starter Motor (Refer to GROUP 23-Floor Console.) terminals with terminal 4 grounded. Continuity Power is supplied No continuity j Power is not supplied 2-4 terminals C o n t i n u i t y ’ SERVICE POINTS OF INSTALLATION Clean both surfaces of starter motor flange and rear plate.
  • Page 161 STARTING SYSTEM - Starter Motor (Direct Drive Type1 DISASSEMBLY AND REASSEMBLY Disassembly steps 1. Screw 2. Magnetic switch 3. Packing 4. Plate Screw * 15. Stop ring 6. Through bolt 7. Rear bracket 17. Front bracket 8. Rear bearing 9. Brush holder assembly reassemble.
  • Page 162 STARTING SYSTEM (1) Press stop ring off snap ring with a suitable socket. (2) Remove snap ring with snap ring pliers and then remove stop ring and overrunning clutch. CLEANING STARTER MOTOR PARTS 1. Do not immerse parts in cleaning solvent. Immersing the yoke and field coil assembly and/or armature’will damage insulation.
  • Page 163 STARTING SYSTEM Check the continuity between field brushes. If there is continuity, the field coil is in order. Check the continuity between field coil brush and yoke. If there is no continuity, the field coil is free from grounding. Check the continuity between brush holder plate and brush holder.
  • Page 164 3. Sand pigtail end with sandpaper to ensure good soldering. 4. Insert pigtail into hole provided in new brush and solder it. New brush Make sure that pigtail and excess solder do not come out onto brush surface. (Make sure that 5.
  • Page 165 4. Screw 5. Rear bracket 6. Brush holder 7. Brush 8. Rear bearing 19. Overrunning clutch 9. Armature 20. Internal gear 21. Planetary gear holder Front bracket 13. Packing B NOTE 14. Plate 15. Planetary gear + : Refer to~“Service Poiiits of ReassemblV”.. 16.
  • Page 166 (2) After removing the snap ring (by using snap-ring pliers), remove the stop ring and the overrunning clutch. yoke and field coil assembly and/or armature will damage insulation. Wipe these parts with a cloth only. 2. Do not immerse drive unit in cleaning solvent. Overrunning clutch is pre-lubricated at the factory and solvent will wash lubrication from clutch.
  • Page 167 BRUSH HOLDER Check for continuity between the brush holder plate and the brush holder. The normal condition is non-continuity. 1. While holding clutch housing, rotate the pinion. Drive pinion should rotate smoothly in one direction, but should not rotate in opposite direction. If clutch does not function properly, replace overrunning clutch assembly.
  • Page 168 STARTING SYSTEM - Starter Motor (Reduction Drive Type) TESTING ARMATURE TESTING ARMATURE FOR SHORT-CIRCUIT 1. Place armature in a growler. 2. Hold a thin steel blade parallel and just above while rotating armature slowly in growler. A shorted armature will cause blade to vibrate and be attracted to the core.

  • Page 169: Specifications

    Contact pointless type Identification No. Part No. Controlled by engine control unit Advance mechanism Firing order Items Contact pointless type Identification No. Part No. Controlled by engine control unit Advance mechanism Firing order terns Mold dual-coil Identification No. Part No. SPARK PLUG Manufacturer Engine (Non-Turbo)
  • Page 170 IGNITION SYSTEM Specifications Items Standard value Basic ignition timing at curb idle speed Actual ignition timing at curb idle speed Ignition coil Primary coil resistance at 20°C (68°F) Secondary coil resistance at 20°C (68°F) 19-27 mm (in.) Spark plug gap Items Spark plug Distributor mounting nut...
  • Page 171 IGNITION SYSTEM When the ignition switch is turned to “ON”, battery voltage is applied to the ignition coil battery voltage is applied to the ignition coil primary winding. primary winding. signals are transmitted from the multi-point transmitted from the multi-point injection control injection control unit to the power transistor.
  • Page 172 IGNITION SYSTEM 1. Engine cranks, but does not start. is insufficient or does not occur at aI Symbol Name (on spark plug). control unit Check distributor. < 1.8L Engine> Engine > 2. Engine idles stalls roughly or 3. Poor acceleration 4.
  • Page 173 IGNITION SYSTEM IGNITION TIMING ADJUSTMENT c 1.8L Engin&& Engine coolant temperature: 85-95°C (185-205°F) Lights, electric cooling fan and accessories: <OFF Steering wheel: neutral position Transaxle: neutral (N or P for M) 1. Connect timing light. 2. Insert paper clip into the CRC filter connector (3-pole connector, 0.5-W cable).
  • Page 174 IGNITION SYSTEM 8. If not within the standard value range, loosen the distributor mounting nut and adjust by turning the distributor. Turning it to the right retards timing, and to the left advances it. 9. Tighten the nut after adjustment. Caution 12.
  • Page 175 IGNITION SYSTEM 4. With the engine stopped, connect a jumper wire to the terminal for ignition-timing adjustment (located in the engine compartment), and ground it. 5. Start and run the engine at curb idle speed. 6. Check basic ignition timing and adjust if necessary. 7.
  • Page 176 Service Adjustment IGNITION SYSTEM - SPARK PLUG TEST engine. Check to be sure that there is an electrical discharge between the electrodes at this time. Defective insulation Defective insulation...
  • Page 177 IGNITION SYSTEM - Ignition, System IGNITION SYSTEM REMOVAL AND INSTALLATION < 1.8L Engine> Removal steps 1. Spark plug cable 2. Spark plug NOTE SERVICE POINTS OF REMOVAL Incorrect When disconnecting cable, hold cap. INSPECTION (1) Check the following items to see that electrodes ,are not burnt, and insulators are not broken, and how porcelain insulator is burnt.
  • Page 178 Damaged or broken gasket. Burnt condition of porcelain insulator at spark gap. Dark deposit of carbon indicates too rich a fuel mixture or extremely low air intake. Also, misfiring due to excessive spark gap is suspected. White burn indicates too lean a fuel mixture or excessively advanced ignition timing.
  • Page 179 IGNITION SYSTEM Improper arrangement of spark plug cables will induce voltage between the cables, causing miss firing and developing a surge at acceleration in high-speed operation. Therefore, be careful to arrange the spark plug cables properly by the following procedure. 1.
  • Page 180 2.5-3.5 Nm 1.8-2.5 ft.lbs. \ 14-22 ft.lbs. 15-22 11-16 ft.lbs. Removal steps 1. Center cover 2. Spark plug cable 3. Spark plug NOTE 7-9 ft.lbs. 4. Ignition coil 5. Power transistor * : Refer to “Service Points of Removal”. + : Refer to “Service Points of Installation”. 6.
  • Page 181 IGNITION SYSTEM coil resistance. (1) Measurement of the primary (2) Measure the resistance between connector terminals 3 and 2 (the coils at the No. 1 and ignition coil, and between terminals 3 and 1 (the coils at the (3) Measurement of secondary coil resistance. (4) Measure the resistance between the high-voltage termi- nals for the No.
  • Page 182 IGNITION SYSTEM SERVICE POINTS OF INSTALLATION 7. INSTALLATION OF CRANK ANGLE SENSOR (1) Turn the crankshaft so that the No. 1 cylinder is at top dead center. (2) Align the punch mark on the crank angle sensor housing with the notch in plate. (3) Install the crank angle sensor on the cylinder head.
  • Page 183 IGNITION SYSTEM Disassembly steps 2. Packing 3. Rotor NOTE 4. O-ring 5. Housing & shaft assembly Check the following points; repair or replace if a problem is found. rotor’s electrode. Secondary terminal with the tester. If the measurement is within the standard allowance, there are no broken wires or short-circuits.
  • Page 184 IGNITION SYSTEM - Distributor POWER TRANSISTOR NOTE Use an analog type circuit tester. (1) Connect the negative (-) terminal of the 1.5V power supply to terminal @ of the power transistor; then check whether there is continuity between terminal @I and terminal @I when terminal @ and the positive (+) terminal are connected and disconnected.

  • Page 185: Service Specifications

    SPECIFICATIONS ..........General Specifications ........212 ANTENNA ASSEMBLY ........Service Specifications ........212 FEEDER CABLE ..........Torque Specifications ........212 RADIO AND TAPE PLAYER ......293 TROUBLESHOOTING ........213 SPEAKER ............SPECIFICATIONS ..........METERS AND GAUGES ........Torque Specifications ........INDICATORS ............
  • Page 186 Vehicles for Canada Vehicles for U.S.A. Items Vehicles for Canada B.C.I. Group size 86 Ampere hours (5HR) Cranking rating [at -18°C (0”F)l Reserve capacity m i n . 9 0 NOTES CRANKING RATING is the current a battery can deliver for 30 seconds and maintain a terminal voltage of 7.2 volts or greater at a specified temperature.
  • Page 187 BATTERY RESULT ACTION TO TAKE TEST STEP LOAD TEST Connect a load tester to the battery. Voltage is less than (see LOAD TEST RATE CHART) for 15 seconds. minimum listed (white indicator). Voltage is more than minimum listed. LOAD TEST CHART Temperature Minimum Voltage...
  • Page 188 The battery contains a visual test indicator which gives green signal when an adequate charge level exists, and white signal when charging is required. Make sure ignition switch is in Off position and all battery feed accessories are Off. 1. Disconnect ground cable from battery before disconnecting 2.
  • Page 189 8489 BATTERY LOAD TEST RATE CHART 1. Turn headlights on for 15 seconds, Load Cranking Reserve Test Rating Application 2. Turn headlights off for 2 minutes to allow battery i Capacity voltage to stabilize. 3. Disconnect cables. 206 amps 4. Read open circuit voltage. 252 amps 525 amps 90 minutes...
  • Page 190 Items Specified lubricant Key interlock cable MOPAR Multi-mileage Lubricant Part No. 2525035 or equivalent Removal steps + 14. Horn pad 1. Plug + 15. Steering wheel 2. Knee protector 16. Column switch 3. Hood lock release handle 17. Key reminder switch segment 4.
  • Page 191 Refer to GROUP 19-Steering Wheel and Shaft. the column cover (upper). switch side connector. Connector terminals. Ignition key illu- Ignition switch reminder Connector mination switch light 9 12 10 11 Steering lock Slide lever NOTE O-O indicates that there is continuity between the terminals. Key i;terlock cable Apply grease removed, install the slide lever to the steering lock...
  • Page 192 Specifications Items Speedometer Rotary magnet type Tachometer Pulse type Fuel gauge Coil type Fuel gauge unit Variable resistance type Engine coolant temperature gauge Coil type Engine coolant temperature gauge unit Thermistor type Oil pressure gauge Bi-metal type Oil pressure gauge unit Bi-metal type Pressure meter Moving coil type...
  • Page 193 Specifications Power indicator light <A/T> Economy indicator light <A/T> Overdrive indicator light <A/T> NOTE 1. The values in parentheses denote SAE trade numbers. 2. The * symbol indicates vehicles with theft-alarm system. Specifications Items Standard value Speedometer indication error 19-22 3 8 - 4 4 57-66 7 6 - 8 8...
  • Page 194 I Specifications Fuel gauge resistance Between A-B Approx. 230 Between A-C Approx. 102 Between B-C Approx. 102 Engine coolant temperature gauge resistance Between A-B Approx. 130 Between A-C Approx. 53 Between B-C Approx. 162 Oil pressure gauge resistance value Approx. 42 Pressure meter resistance value* Approx.
  • Page 195 1. The fuel gauge doesn’t function, or shows the incorrect indication. the fuel gauge is activated. unit; the “F” side is indicated when terminal 3 (FWD) or 2 (AWD) is then grounded. small and the current flowing in the circuit is Check the fuel gauge.
  • Page 196 ENGINE) CONTROL JNIT TAILLIGHT RELAY 12 -----------------I &i ___------- TURBO ONLY 1 D-05 COMBINATION METER RHEOSTAT...
  • Page 197 METERS AND GAUGES - Troubleshooting IGNITION SWITCH(IG1) “ 6 C-45 FUEL PUMP ENGINE AND GAUGE COOLANT ASSEMBLY TEMPERATURE GAUGE UNIT UNIT...
  • Page 198 METERS AND GAUGES SUB FUSIBLE LINK@ 3 .--------_----___-__-------- AWD -& FWD CONTROL UNIT 1 E-47 SWITCH DOOR SWITCH...
  • Page 199 METERS AND GAUGES WITHOUT WITH AUTOMATIC AUTOMATIC 17 D-05 52 D-06 WITH AUTOMATIC 13 (M/T) ALTERNATOR ; AUTOMATIC AUTOMATIC UNIT CONTROL CONTROL UNIT UNIT...
  • Page 200 METERS AND GAUGES - Troubleshooting INDICATOR LIGHT CIRCUIT IGHT SIGNAL HAZARD - - - - - - _ METER RHEOSTAT 6 C-45...
  • Page 201 SUB F IGHT LINK AUTO-CRUISE COLUMN SWITCH CONTROL UNIT...
  • Page 202 NOTE For AWD models, refer to the section concerning special handling instructions for AWD models in “INTRODUCTION AND MASTER TROUBLESHOOTING”. Chock Take note of the following before inspection: (Refer to GROUP 22-Specifications.) (2) When placing the vehicle on a speedometer tester drum, make sure the center line of the vehicle is at right angles to the center line of the drum.
  • Page 203 Connect engine tachometer and compare the engine tachometer and tachometer readings. Replace tachometer if difference is excessive. 700 rpm Connect the engine tachometer. connector 0.5 W cable). terminal provided in the engine compartment, and connect the engine tachometer to the inserted paper clip. NOTE tachometer is recommended.
  • Page 204 (1) Remove connector from fuel gauge unit in fuel tank. (2) Ground the harness side connector via a test light (lZV- (3) Turn ON ignition key. (4) Assure test light goes on and gauge needle moves. (5) If test light goes on but gauge needle does not move, replace fuel gauge.
  • Page 205 METERS AND GAUGES To check, remove fuel gauge unit from fuel tank. (Refer to GROUP 14-Fuel Tank.) Move float and measure the height at point F (highest) and point E (lowest) with float arm touching stopper.. (1) Check that resistance value between the fuel gauge terminal and ground terminal is at standard value when fuel Fuel gauge terminal Ground terminal...
  • Page 206 To check, remove engine coolant temperature gauge unit from intake manifold. (1) Immerse unit in 70°C (158°F) water to measure resistance. 161)0350 (2) After checking, apply the specified sealant around the thread of engine coolant temperature gauge unit and install on the intake manifold.
  • Page 207 steps 1. Cover (A) 2. Cluster panel assembly (A) NOTE 3. Combination meter * : Refer to”‘Service Points of Removal” 4. Adapter cable at the transaxle end of the cable. toward the vehicle the adaptor to the left interior, release the lock by turning or right, and then remove the adapter.
  • Page 208 Measure resistance between terminals with circuit tester. Measure resistance between terminals with circuit tester.
  • Page 209 METERS AND GAUGES DISASSEMBLY AND REASSEMBLY 1. Bulb socket 2. Bulb 3. Trip counter reset knob 4. Insulator 5. Meter glass 6. Window plate 7. Tachometer or tachometer and pressure meter <Turbo > 8. Engine coolant temperature gauge 9. Fuel gauge 10.
  • Page 210 METERS AND GAUGES - Indicators Operation Symbol This indicator flashes, as do the same side of turn-signal light Turn signal indicator flashes. If the turn-signal light is burnt out, the indicator flashes faster than normal indicator. This indicator is common with hazard light. High beam indicator This indicator illuminates when the headlights are on high beam.
  • Page 211 Symbol Operation The light illuminates when the auto-cruise control switch is switched ON, and the auto-cruise control system is activated. Overdrive indicator The light will light up when the overdrive switch is off. ! The POWER indicator is lit when the PWR/ECO switch is in position.
  • Page 212 GENERAL SPECIFICATIONS Specifications Items Exterior lights 65145 H e a d l i g h t W light Front turn-signal light Front combination light 3 (168) Side marker light 3 (168) Position light CP Rear side marker light 3 (168) Rear combination light 32 (1156) Turn-signal light CP...
  • Page 213 LIGHTING SYSTEM - Troubleshooting IGNIT SUB FUSIBLE LINK ? HEADL 3 C-72 (LEFT...
  • Page 214 LIGHTING Vehicles with theft-alarm system SUB FUSIBLE DIODE CONTROL UNIT...
  • Page 215 LIGHTING SYSTEM Headlight relay Ignition switch Lighting switch “ACC” or “ON” “HEAD” “PASS” TROUBLESHOOTING HINTS The headlight relay is switched ON when the lighting switch is set to the “HEAD” position. 1) But the tail lights do illuminate. The low beam of the headlights will illuminate Check the headlight relay.
  • Page 216 LIGHTING SYSTEM IGNITION SUB FUSI DIODE TAIL LIGH COLUMN SWITCH...
  • Page 217 LIGHTING SYSTEM IGHT IGNITION "3 RELAY DAYTIME m '...
  • Page 218 LIGHTING SYSTEM - Troubleshooting IGNITION SUB FUSIBLE LINKQ DEDICATED FUSE ------------- HEADLIGHT (LEFT SIDE) 3 C-72...
  • Page 219 LIGHTING SYSTEM IGHT IGNITION HEAD 3 C-52 RELAY DAYTIME y 11 c-19...
  • Page 220 Headlight relay Lighting switch Dimmer passing switch Ignition switch “ACC” or “ON” “HEAD” or “ON” “PASS“ “ACC” 1. Headlights don’t come on. causes the headlight relay, daytime running light relay (21, and tail light relay to be energized, which causes the headlights, tail lights, etc. to come on.
  • Page 221 LIGHTING SYSTEM Symbol Name Transistor relay NOTE For information concerning the headlight relay, daytime running light relay, refer to P.8-244, 246, and for the theft-alarm system, refer to P.8-300. 1. The right or left fog lights only go on. Check the bulb. when the dimmer switch is at the “low”...
  • Page 222 SUB F DIODE "4 RHEOSTAT...
  • Page 223 LIGHTING SYSTEM Vehicles with daytime running light TAIL RELA RHEOSTAT...
  • Page 224 LIGHTING SYSTEM - Troubleshooting 8-224 IGNITION DAYTIME RUNNING...
  • Page 225 LIGHTING SYSTEM - Troubleshooting POP-UP MECHANISM LIGHT SUB FUSIE RELAY POP-UP MOTOR RIGHT SIDE 8 C-51...
  • Page 226 8-226 1. Headlights do not rise (1) They rise only when the lighting switch is operated. switch through multi-purpose fuse 0. When the lighting switch is set at the “Head” (2) They rise only when the pop-up switch is position, current flows through the passing operated.
  • Page 227 TAIL LIGHT, POSITION LIGHT, SIDE MARKER LIGHT AND LICENSE PLATE LIGHTN,,,, 1. All lights do not illuminate. lighting switch is set to the “TAIL” or “HEAD” position. Check sub-fusible link No. 0. No. @ to each light, and each light illuminates. NOTE Refer to P.8-220 for information concerning models equipped with daytime running lights.
  • Page 228 LIGHTING SYSTEM - Troubleshooting 8-228 DOME LIGHT, IGNITION KEY ILLUMINATION LIGHT, FOOT LIGHT, GLOVE COMPARTMENT LIGHT AND LUGGAGE COMPARTMENT LIGHT CIRCUIT LIGHT RELAY 16 C-50 FOOT LIGHT DOME = z TURBO-M/T)' TIMER CIRCUIT GLOVE DOME LIGHT RELAY 1 E-23 LIGHT Remarks SWITCH 1 Xl:NON-TURBO,TURBO-M/T...
  • Page 229 LIGHTING SYSTEM Battery voltage is always applied (via sub-fusible link No. @ and multipurpose fuse No. @I to the Check multipurpose fuse No. @I. luggage compartment light. 2. Dome light, foot lights and ignition key illumina- tion light do not come on. partment light switch is switched ON and the luggage compartment light illuminates.
  • Page 230 “2 When, with the ignition switch at the “ON”’ position, the shift lever (or the selector lever) is moved to the “R” position, the backup light switch (MIT) is switched ON (or the inhibitor switch (A/T) is switched to the “R” position), and the backup light illuminates.
  • Page 231 TURN-SIGNAL LIGHT AND HAZARD LIGHT CIRCUIT BATTERY HAZARD SWITCH TURN-SIGNAL AND HAZARD FLASHER UNIT...
  • Page 232 TURN-SIGNAL COLUMN SWITCH HAZARD AND HAZARD SWITCH RHEOSTAT FLASHER UNIT I - - - - - 0 -- 3 _-------_ 5 c-50 REAR 56 D-06 (LEFT SIDE) FRONT TURN-SIGNAL (RIGHT SIDE)
  • Page 233 the “ON” position, the relay contact of the turn 1. When operation is normal signal and hazard flasher unit is switched ON and When the ignition switch is switched to the OFF repeatedly, in the same manner as for the “ON”...
  • Page 234 SUB FUSIBLE LINK@ WITH AUTO-CRUISE CONTROL I AUTO-CRUISE CONTROL STOP LIGHT SWITCH REAR Remark...
  • Page 235 8 rm 1. Test dimmer switch operation. 2. Observe operation of high beam light mounted in instrument cluster. face 3. Inspect for badly rusted or faulty headlight assemblies. These Must be conditions must be corrected before a satisfactory adjust- other used at ment can be made.
  • Page 236 3. Locate a true vertical plate glass window or smooth surface and secure aimers three to five feet apart so split image targets can be located in viewing ports. 4. Set floor level dial at zero. 5. Rotate thumb adjusting screws on each calibrat@ fixture until level vials on fixtures are centered.
  • Page 237 Vertical ‘center Vehicle line ahead of HEADLIGHT AIM PREPARATION left headlight axis Vertical center line ahead of Place vehicle on a known level floor 7.6 m (25,feet) from aiming right headlight screen or light colored wall. Four lines of adhesive tape or like are required on screen or wall: 1.
  • Page 238 LIGHTING SYSTEM - Service Adjustment Procedures FOG LIGHT BULB REPLACEMENT 1. Remove the fog light. 2. Detach the cap. 3. Remove the retainer pin and take out the bulb. Good No good 4. Be sure to attach the cap. NOTE Be sure to install the cap securely because, if it is not, an insecure installation could cause such problems as clouding of the lens, or intrusion of moisture to inside the light unit.
  • Page 239 LIGHTING SYSTEM - headlight <When the right head light is re- moved or installed.> of Air Cleaner (Refer to GROUP 1 I-Air Cleaner.) Removal steps 1. Headlight bezel, upper 2. Headlight bezel, lower 3. Retaining ring 4. Headlight 5. Headlight hood 6.
  • Page 240 LIGHTING SYSTEM - Headlight SERVICE POINTS OF REMOVAL Disconnect the negative (- 1 battery terminal. Using a flat head screwdriver (wrap cloth or similar on the ball joint area to prevent injury), disconnect the connector. NOTE When disconnecting the line assembly from the hinge, hold the hinge by hand.
  • Page 241 Headlight/Front Turn Signal Light and Front Combination light Hinge side (white) 111.1 mm (4.37 in.) ‘3-5 Nm face 5-7 Nm Rear face (4-5 ft.lbs.1 in the sequence illustrated. Link tighten bolt A. assembly Then, mount the pop-up motor and bracket assembly by tightening the bolts in the sequence illustrated.
  • Page 242 Front Turn Signal light and Front Combination Light/ Refer to GROUP 23-Grille. Disconnect the negative ( -1 battery terminal. areas of the front fender. Then, mount the front combination light with the mounting screws. Insert the bosses of the front turn signal light into the clip area of the combination light and the mounting hole on the body side.
  • Page 243 Refer to GROUP 23-Garnishes. Mount the rear combination light by tightening the nuts in the sequence illustrated. 1. Clip 2. High mounted stop light cover 3. High mounted stop light lens and bracket 4. Gasket Removal steps High mounted stop light unit 2.
  • Page 244 LIGHTING SYSTEM - SERVICE POINTS OF REMOVAL Refer to GROUP 23-Trims. INSPECTION from the engine compartment relay box. terminals with terminal 4 grounded. Continuity Power is supplied No continuity Power is not supplied Continuity 2-4 terminals Manual knob Refer to GROUP 23-Trims. (2) House the headlights.
  • Page 245 LIGHTING SYSTEM - Relav compartment relay box. described below. Continuity no voltage Continuity with voltage NOTE Refer to GROUP 23-Trims. as shown in the figure. shown by the solid line. Then check that the test light dims out for approx. 6 seconds when the 4th terminal is disconnected.
  • Page 246 Relay/Pop-Up Switch, Fog Light Switch and Rheostat RUNNING LIGHT) RELAY 1, panel relay box. terminals with terminal 4 grounded. Continuity Power is supplied No continuity Power is not supplied C o n t i n u i t y 2-4 terminals Removal steps 1.
  • Page 247 Operate the switch to check for continuity between NOTE O-O indicates that there is continuity between the terminals. figure. illumination changes smoothly, without flashing or flickering, when the rheostat is operated. Removal steps 1. Cluster panel (B) 2. Switch holder 3.
  • Page 248 SPECIFICATIONS Specifications Column switch Lighting switch 0.22 kO.05 Rated load 0.2 or less V o l t a g e d r o p V Turn-signal switch Rated load 0.2 or less V o l t a g e d r o p V Dimmer/Passing switch Rated load...
  • Page 249 Removal steps 1. Horn pad 2. Steering wheel Plug 4. Knee protector 5. Hood lock release handle 6. Lower column cover 7. Upper column cover 8. Lap cooler duct and shower duct 9. Cable band switch NOTE * : Refer to “Service Points of, Removal”. Refer to GROUP 1 g-steering Wheel and Shaft.
  • Page 250 COLUMN SWITCH - Column Operate the switch and check the continuity between the terminals. Connector A NOTE O-O indicates that there is continuity between the terminals. Operate the switch and check the continuity between the terminals. Connector B Left Neutral Right NOTE O-O indicates that there is continuity between the terminals.
  • Page 251 WIPER AND WASHER SYSTEM - SDecifications GENERAL SPECIFICATIONS Specifications Items Windshield wiper motor Ferrite-magnet type Third brush system Speed control system Dynamic brake system Braking system rpm at load of 1 Nm (0.72 ft.lbs.1 Low speed High speed 21 (15) Nominal torque Rear wiper motor Ferrite-magnet type...
  • Page 252 WIPER AND WASHER SYSTEM Items Wiper and washer switch Rated load Wiper switch LO, HI 0.22 +0.05 Max. 4 Washer switch Voltage drop (at 12V and the rated load) 0.2 or less Wiper switch 0.5 or less Washer switch Rear wiper and washer switch Rated load Wiper switch...

  • Page 253: Troubleshooting

    IGNITION SWITCH (ACCJ INTERMITTENT WIPER RELAY OFF '*ON WIPER SWITCH WIPER MOTOR...
  • Page 254 WIPER AND WASHER SYSTEM - Troubleshooting 1. Wipers do not operate. When the wiper switch is placed in the LO Check multi-purpose. fuse No.@. position with the ignition switch in the ACC or Check ground. ON position, wipers operate continuously at low speed.
  • Page 255 WIPER AND WASHER SYSTEM - Troubleshooting REAR WIPER AND WASHER CIRCUIT DIAGRAM RELAY IGNITION SWITCHtACC) “ 7 c-53 REAR WIPER REAR WASHER ILL ( SWITCH...
  • Page 256 1. Wipers do r-to% operate. Check multi-purpose fuse No. 0. position with the ignition switch in the ACC or ON Check ground. position, wipers operate continuously at low 2. Low-speed wiper operation speed. position, the cam contacts of wiper motor causes current to flow through the auto wiper stop circuit, allowing the wiper blades to cycle before 4.
  • Page 257 Removal steps 3. Front deck garnish 4. Air inlet garnishes Hole cover 6. Wiper motor 7. Linkage 8. Intermittent wiper relay (incorporated within the column switch) 9. Wiper and washer switch NOTE assembly mounting bolts, and then Loosen the wiper motor remove the wiper motor assembly.
  • Page 258 Refer to P.8-249. INSPECTION Check the wiper m$tor after first disconnecting the wiring harness connector, and with the wiper motor remaining installed to the body. Battery Connect a battery to the wiper motor as shown in the illustration and inspect motor operation at LOW speed. Connect a battery to the wiper motor as shown in the illustration and inspect motor operation at HIGH speed.
  • Page 259 2. INSTALLATION When mounting the wiper arm, check- the “identification marks. Install the wiper arm to the pivot shaft of the wiper linkage so that the stop position of the wipe? blid& is scitih dimension at the ends of the wiper blades and at the end of the front deck garnish is the dimension A indicated in the figure.
  • Page 260 SYSTEM - Window Washer/Rear Wiper INSPECTION WASHER’ MOTOR washer tank with water. to see that the washer motor runs and water”@ injected. Removal steps 1. Cover a 2. Wiper blade a 3. Wiper arm 4. Liftgate trim 5. Rear wiper grommet <Vehicles with rear air spoiler>...
  • Page 261 Check the wiper motor after first disconnecting the wiring harness connector, and with the wiper motor remaining installed to the body. Connect a battery to the wiper motor as shown in the illustration and inspect motor operation. motor. confirm that after the motor starts turning, it stops at the automatic stop position.
  • Page 262 steps of nozzle assembly Removal 2. Connection between joint assembly nozzle assembly 3. Nozzle assembly steps of washer tube Removal Headlining (Refer to GROUP 23-Headlining) Rear side trim and rear piller trim (Refer to GROUP 23-Trims) 4. Joint assembly 5. Washer tube steps of washer tank Removal Rear side trim...
  • Page 263 WIPER AND WASHER SYSTEM REAR WIPER AND WASHER SWITCH REMOVAL AND INSTALLATION Refer to P.8-247. Operate the switch to check for continuity between terminals. Wiper switch Illumination light Washer switch Washer NOTE O-O indicates that there is continuity between the terminals. ,...
  • Page 264 Specifications/Troubleshooting HORN - GENERAL SPECIFICATIONS Specifications Items Flat type Effective sounding voltage Power consumption A S o u n d l e v e l dB “low” sound “high” sound Fundamental frequency Hz “low” sound “high” sound...
  • Page 265 HORN When the ignition key is turned to the “ACC” or the “ON” position, battery voltage is constantly applied to the horn. 2. Horns do not sound. flows to multi-purpose fuse @I, the horn, the horn switch and ground. NOTE (1) For vehicles equipped with the theft-alarm system, refer to P.8-300.
  • Page 266 HORN SERVICE POINTS OF REMOVAL Refer to GROUP ?3-Grille. protector, and then use a hammer to tap so that the horn protector bolt’s head is tapped in the counterclockwise direction to loosen the horn protector installation bolt. remove the horn protector. SERVICE POINTS OF INSTALLATION twists off.
  • Page 267 Specifications items Max. input Within 18 Reset time second Thermal fuse fusion temperature ASHTRAY LIGHT RHEOSTAT...
  • Page 268 REMOVAL AND INSTALLATION Installation of Side Cover (B) Removal stpes 2. Shift lever knob <M/T> a. Sockgt case 3. Ashtray 9. Plate 4. Floor console garnish 10. Socket 5. Connection of floor console wiring 1 1 Protector harness connector and power/ NOTE economy changeover switch connector Reverse the removal procedures to reinstall...
  • Page 269 Items 3.6-4.3 5 - 6 Whip antenna mast...
  • Page 270 Battery voltage is always supplied for use of the When the radio power switch is turned on with memory and other functions in the radio. the ignition switch at “ACC” or “ON”, current flows through fuse No.4, radio, and ground, causing the radio to operate.
  • Page 271 RADIO OR RADIO WITH TAPE PLAYER (LEFT SIDE) (RIGHT SIDE) (LEFT SIDE) (RIGHT SIDE) (RIGHT SIDE) (LEFT SIDE) REAR SPEAKER FRONT SPEAKER DOOR SPEAKER DOOR SPEAKER Remark t o v e h i c l e s ABS. with...
  • Page 272 TROUBLESHOOTING CHART Relevant Chart Problem Symptom A. Noise 1. Noise appears at certain places when traveling (AM). 2. Noise appears at certain places when traveling (FM). 3. Mixed with noise, only at night (AM). 4. Broadcasts can be heard but both AM and FM have a lot of noise.
  • Page 273 A. NOISE ( A M ) . Do the following measures eliminate the noise? strong signal to boost resistance to Find out the following information from interference. the user: 2. Decrease high tones to reduce noise. 3. Extend antenna fully. 2.
  • Page 274 places when traveling (FM). Do the following measures eliminate the noise? Change to a different station with a strong signal to boost resistance to interference. If there is more noise than other radios, find out the noise conditions and the name and frequency of the receiving stations from the user, and consult with the service center.
  • Page 275 The following factors can be considered as possible susceptible to interference, and a change to a causes of noise appearing at night. different station or the appearance of a beat sound* Factors due to signal conditions: may occur. Due to the fact that long-distance signals are more *Beat sound: Two signals close in frequency easily received at night, even stations that are interfere with each other, creating a repetitious...
  • Page 276 Broadcasts can be heard but both AM and FM have a lot of noise. Is the antenna plug properly connected to radio? 1. There much noise only on AM Due to differences in AM and FM systems, AM is more susceptible to noise interference. differences generated by typical noise interference (first not as susceptible as AM to interference from...
  • Page 277 Inspection or replacement Noise type Conditions Cause Sounds are in Mounting place parentheses 1 I. preventive part (next pagel AM, FM: Ignition noise spark plugs. speed causing the Cracking, Buzzing1 popping sound to speed up, and noise. volume decreases. 2, 4. 6 Disappears when the ignition switch is cable...
  • Page 280 buzzing). Fading noise broadcast beam is disrupted by obstructing objects and the signal strength fluctuates intri- cately within a narrow range.
  • Page 281 For this reason, if there are still problem with noise Noise is often created by the following factors, and even after the measures described in steps A-l to radio is OK when it is checked individually. often the Traveling conditions of the vehicle factors listed above as well as determining whether Terrain of area traveled through the problem occurs with AM or FM, the station...
  • Page 282 Check to see if there is any sound when the radio fader and balance knobs are centered. Check to see if there is any sound when attached to another radio. Remove the connector on the back of Yes b It conducts electricity but is the radio and check the speaker harness shorted out.
  • Page 284 PREVIOUS PAGE Does the problem disappear when a different radio Repair or replace radio. connected? Antenna or feeder cable *For multipath noise and fading noise problems, refer to malfunction a n d F M . Distortion in the Occasional How much Excessive antenna input vicinity of the radio station...
  • Page 286 Remove the object(s)l(’ *‘Attempting to force a foreign object (e.g., a coin or clip, etc.) out of the cassette player may damage the mechanism. The player should be taken to a service dealer for repair. Does the cassette player work if another tape is inserted? Replace tape?’...
  • Page 287 inserted? replace cassette player. also possible, and attempting to force the tape out use of a bad tape (deformed or not properly of the player can cause damage to the mechanism. tightened) or of a malfunction of the cassette player The player should be taken to a service dealer for itself.
  • Page 288 AUDIO SYSTEM Does the player play OK if the tape is changed? Remove foreign object(s). Are there any foreign objects inside the cassette player? Is the head or capstan roller dirty? Clean. Repair or replace cassette player. Button improperly operated. Does the MSS (automatic search) button*’...
  • Page 289 Does the player play OK if the tape is changed? itself is not deformed and that the tape is tightly wound. mechanism and should not be used. Repair or replace cassette player. Does the problem only occur while the vehicle is being driven? Ensure cassette player installation.
  • Page 290 D-l 1 CD will not be accepted.
  • Page 291 l stop state).
  • Page 292 No sound from one speaker.
  • Page 293 RADIO AND TAPE PLAYER Removal steps 1. Radio panel 2. Radio, Radio with tape player, Radio and tape player with graphic equalizer, Radio and tape player with CD player. NOTE 3. Radio bracket 4. Amplifier * : Refer to “Service Points of Removal”. tool to pry the lower part of the radio panel Use a plastic trim and remove it from the floor console.
  • Page 294 Removal steps 2. Front speaker NOTE Reverse the removal procedures to reinstall. Removal steps 1. Door trim 2. Door speaker 3. Speaker cover NOTE 1. REMOVAL OF DOOR TRIM Refer to GROUP 23-Trims.
  • Page 295 Removal steps 1. Quarter trim 2. Rear speaker 3. Speaker cover NOTE removal procedures to reinstall. Refer to GROUP 23-Trims. 5-6 Nm 3.6-4.3 ft.lbs. Removal steps 1. Luggage compartment side trim 2. Ring nut 3. Antenna mast 4. Feeder wire connection 5.
  • Page 296 REMOVAL AND INSTALLATION Removal steps 1. Feeder cable and radio connections Seat, and Floor Console (Refer to GROUP 23-Seat ant 2. Antenna and feeder cable connection Floor Console. 1 3. Feeder cable Luggage Compartment Side Trim (Refer to GROUP 23-Trims.) NOTE Reverse the removal procedures to reinstall.
  • Page 297 REAR WINDOW DEFOGGER - Troubleshooting REAR WINDOW DEFOGGER When the defogger switch is turned ON with the 1. Defogger is inoperative. ignition switch in ON position, the defogger relay is energized causing defogger to operate. lights up indicating that the defogger is in operation.
  • Page 298 Service Adjustment Procedures/ REAR WINDOW DEFOGGER Normal characteristic curve Voltage THE PRINTED-HEATER LINES CHECK A (Center point) at full. element voltage with circuit tester at rear window glass center A. Positive Printed heater line Negative Condition good if indicating about 6V. terminal terminal terminals from A.
  • Page 299 Defogger Relay/Defogger Timer (1) Remove defogger relay from junction block. (2) Connect battery power source to terminal 2. Check circuit between terminals with terminal 4 grounded. Continuity continuity Power is not supplied Continuity 3-4 terminals (1) Remove the knee protector. (Refer to P.8-249.) (2) Remove the defogger timer from indoor relay box.’...
  • Page 300 Nith voltmeter Diagnosis TROUBLESHOOTING CHECKING THE INPUT between terminal for “A” and terminal tester to the diagnosis for ground, or connect the multi-use connector. 2. Check to be sure that voltage should be output with the ignition key “OFF”, door “ON”...
  • Page 301 THEFT-ALARM SYSTEM - Troubleshooting TROUBLESHOOTING QUICK-REFERENCE TABLE For information concerning the locations of electrical components, refer to P.8-139. Trouble symptom Cause Check method Replace the sub fusible’ The system is not armed Damaged or disconnected Check by using check link No. 0, @ oi repair (The SECURITY light doesn’t wiring of ECU power chart P.8-303.
  • Page 302 C h e c k m e t h o d Remedy. Trouble symptom Cause Check by using check Repair the harness. Engine would not start. There is a short-circuit of [Engine starting is possible the starter relay activation chart P.8-313. circuit when the starter relay is in the switched-off (normally closed)
  • Page 303 CHECKING THE CIRCUIT AND INDIVIDUAL PART Description ECU, The battery supplies a stabilized 5V power supply to the via the constant-voltage circuit and terminal @I (which is directly connected to the battery). ECU terminal voltage (Connection condition of the connector). -Terminal Signal Condition...
  • Page 304 THEFT-ALARM SYSTEM When the hood is closed (the hood switch is switched OFF), HIGH-level signals are sent to the ECU. SUB FUSIBLE LINK @ When the hood is opened (the hood switch is switched ON), LOW-level signals are sent to the ECU. ECU terminal voltage (Connection condition of the ECU connector).
  • Page 305 4. DOOR SWITCH INPUT CIRCUIT Description of operation When the door is closed (the door switch is switched OFF), HIGH-level signals are sent to the ECU. When the door is opened (the door switch is switched ON), LOW-level signals are sent to the ECU. SUB FUSIBLE LINK @ ECU terminal voltage (Connection condition of the ECU) Signal...
  • Page 306 THEFT-ALARM SYSTEM - Troubleshooting When a door is locked by the lock knob or the key, the door lock . ?“,, actuator switch is switched OFF, and HIGH-level signals are sent ‘- -’ to the ECU. These signals active the timer circuit of the ECU, SUB FUSIBLE there by causing the activation circuit to function, thus activating LINK @...
  • Page 307 THEFT-ALARM SYSTEM 6. DOOR KEY CYLINDER AND LIFTGATE UNLOCK SWITCH INPUT CIRCtiIT When the door key is rotated or the liftgate key is unlocked, LOW-level signals are sent to the ECU. SUB FUSIBLE ECU terminal voltage (Connection. condition df the ECU LINK @ connector) Terminal...
  • Page 308 When the liftgate is closed (the liftgate switch is switched OFF), HIGH-level signals are sent to the ECU. SUB FUSIBLE LINK @ When the liftgate is opened (the liftgate switch is switched ON), LOW-level signals are sent to the ECU. ECU terminal voltage (Connection condition of the ECU connector) Measurement is not possible by using a voltmeter, but is...
  • Page 309 THEFT-ALARM SYSTEM - Troubleshooting If all doors are in locked state after key locking or key-less SUB FUSIBLE LINK @ locking, the ECU transistor is turned ON and the security light comes on. Checking the security light activation circuit (Disconnect the connector of the ECU and check at the wiring harness side.) Judgement Cause...
  • Page 310 THEFT-ALARM SYSTEM DIODE The ECU transistor is turned ON if the vehicle door, etc. are (FOR THEFT- SUB FUSIBLE LINK @ opened without use of the key. ALARM) This energizes the theft-alarm horn relay to activate the horn. Checking the horn activation circuit (Disconnect the connector of the ECU, then short-circuit terminal No.
  • Page 311 THEFT-ALARM SYSTEM SUB FUSIBLE LINK @ IGNITION SWITCH (ACC) THEFT-ALARM HEADLIGHT ,\ RELAY “ 2 HEADLIGHT (LEFT SIDE) ( The ECU transistor is turned ON if the vehicle door, etc. are opened without use of the key. This energizes the headlight relay to activate the headlight.
  • Page 312 THEFT-ALARM SYSTEM IGNITION SWI TCH THEFT-ALARM SUB FUSI HORN RELAY D A Y T I M E “: z HEADLIGHT RUNNING N” RELAY LIGHT RELAY 1 The ECU transistor is turned ON if the vehicle door, etc. are opened without use of the key. This energizes the headlight relay to activate the headlight.
  • Page 313 THEFT-ALARM SYSTEM - Troubleshooting The ECU transistor is turned ON if the vehicle door etc. are opened without use of the key. This turns OFF the starter relay IGNITION SWITCH (ST) and power ceases to be supplied to the starter magnet switch. Checking the starter relay activation circuit (Disconnect the connector of the ECU, depress fully the clutch Pedal and activate the starter relay)
  • Page 314 IGNITION The ECU transistor is turned ON if the vehicle door etc. are SWITCH (ST) SWl’ opened without use of the key. This turns OFF the theft-alarm starter relay and power ceases to be supplied to the starter magnet switch. Checking the theft-alarm starter relay activation circuit (Discon- nect the connector of the ECU and set the inhibitor switch to the N or P range.)
  • Page 316 NOTES...
  • Page 317 NOTES...

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Talon 1991

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