Toyota 2001 CELICA Wiring Diagram
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Toyota 2001 CELICA Wiring Diagram

Toyota 2001 CELICA Wiring Diagram

Zzt 230, 231 series
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See also: Operating Manual
NOTICE
When handling supplemental restraint system components (removal,
installation or inspection, etc.), always follow the direction given in the repair
manuals listed above to prevent accidents and supplemental restraint
system malfunction.
FOREWORD
This wiring diagram manual has been prepared to provide
information on the electrical system of the 2001 CELICA.
Applicable models: ZZT 230, 231 Series
For service specifications and repair procedures of the above
models other than those listed in this manual, refer to the
following manuals;
Manual Name
D 2001 CELICA Repair Manual
D 2001 TOYOTA New Car Features
All information in this manual is based on the latest product
information at the time of publication. However, specifications
and procedures are subject to change without notice.
Pub. No.
Volume 1
RM818U1
Volume 2
RM818U2
NCF191U
1

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  • Page 1 FOREWORD This wiring diagram manual has been prepared to provide information on the electrical system of the 2001 CELICA. Applicable models: ZZT 230, 231 Series For service specifications and repair procedures of the above models other than those listed in this manual, refer to the following manuals;...
  • Page 2 CONNECTOR LIST This section is closely related to the system circuit. PART NUMBER OF Indicates the part number of the connectors used in this manual. CONNECTORS OVERALL ELECTRICAL Provides circuit diagrams showing the circuit connections. WIRING DIAGRAM 2001 CELICA (EWD432U)
  • Page 3 Wiring related to each system is indicated in each system circuit by arrows (from__, to__). When overall connections are required, see the Overall Electrical Wiring Diagram at the end of this manual. 2001 CELICA (EWD432U)

  • Page 4: Stop Light

    7. 5A STOP GAUGE R−L @@@@ @@@@ @@@@ @@@@ @@@@ @@@@ @@@@ REAR LIGHTS WARNING LIGHT [COMB. METER] STOP LIGHT SW G−W TO ABS ECU LIGHT FAILURE SENSOR DELAY CIRCUIT G−R (SHIELDED) HIGH MOUNTED STOP LIGHT W−B 2001 CELICA (EWD432U)
  • Page 5 ”E” for the section is shown in square brackets [ Engine Compartment, ”I” for the Instrument Panel and Surrounding area, and ”B” for the Body and Surrounding area. [N] : Page No. 2001 CELICA (EWD432U)
  • Page 6 See Page Ground Points Location Under the Left Quarter Pillar Back Panel Center : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points Cowl Wire Luggage Room Wire 2001 CELICA (EWD432U)
  • Page 7 Example : Ground point ”BO” is described on page 50 of this manual and is installed on the back panel center. [V] : Indicates the reference page showing the position of the splice points on the vehicle. Example : Splice point ”I5” is on the Cowl Wire Harness and is described on page 44 of this manual. 2001 CELICA (EWD432U)
  • Page 8 RADIO AND PLAYER WOOFER AMPLIFIER W−B COMBINATION METER HEATER RELAY AUTO ANTENNA COMBINATION METER MOTOR FUEL SENDER ∗ The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION. 2001 CELICA (EWD432U)

  • Page 9: Table Of Contents

    15A TAIL STARTER RELAY W−B 20A DEFOG B−Y W−R B−W 15A RAD CIG B−Y P−L ∗ The system shown here is an EXAMPLE ONLY. It is different to the actual circuit shown in the SYSTEM CIRCUITS SECTION. 2001 CELICA (EWD432U)

  • Page 10: Connector List

    The first letter of the code is taken from the first letter of part, and the numbers indicates its order in parts which start with the same letter. [D] : Connector Color Connectors not indicated are milky white in color. 2001 CELICA (EWD432U)
  • Page 11 [B] : Part Name [C] : Part Number Toyota Part Number are indicated. Not all of the above part numbers of the connector are established for the supply. In case of ordering a connector or terminal with wire, please confirm in advance if there is supply for it using Parts Catalog News”...
  • Page 12 When contacting the two leads in reverse, there should be no Ohmmeter continuity. Diode (c) Use a volt/ohmmeter with high impedance (10 kΩ/V minimum) for troubleshooting of the electrical circuit. Digital Type Analog Type 2001 CELICA (EWD432U)
  • Page 13 To pull apart the connectors, pull on the connector itself, not the wire harness. HINT : Check to see what kind of connector you are disconnecting before pulling apart. Pull Up Pull Up Press Down Press Down 2001 CELICA (EWD432U)
  • Page 14 ”Case 1” Raise the terminal retainer up to the temporary lock position. [Retainer at Full Lock Position] Terminal Stopper Retainer [Retainer at Temporary Lock Position] ”Case 2” Open the secondary locking device. Secondary Example: Locking Device (Case 2) 2001 CELICA (EWD432U)
  • Page 15 ”Case 2” Type which cannot be pulled as far as Example: Power Lock insert the tool straight into Terminal Retainer (Case 2) the access hole of terminal retainer as shown. Tool Tool Press Down Press Down [Male] [Female] 2001 CELICA (EWD432U)
  • Page 16 2. Insert the terminal until the locking lug locks firmly. 3. Insert the terminal with terminal retainer in the temporary lock position. (b) Push the secondary locking device or terminal retainer in to the full lock position. 5. CONNECT CONNECTOR 2001 CELICA (EWD432U)
  • Page 17 Sequential Multiport Fuel Injection Supplemental Restraint System Switch TEMP. Temperature Vacuum Switching Valve With Without ∗ The titles given inside the components are the names of the terminals (terminal codes) and are not treated as being abbreviations. 2001 CELICA (EWD432U)
  • Page 18 A power unit which converts overloads, thereby protecting the circuit. electrical energy into mechanical The numbers indicate the crosssection energy, especially rotary motion. surface area of the wires. (for High Current Fuse or Fusible Link) 2001 CELICA (EWD432U)
  • Page 19 SOLENOID crossed wires (2) with a An electromagnetic coil which forms black dot or octagonal ( a magnetic field when current flows, (2) SPLICED mark at the junction are to move a plunger, etc. spliced (joined) connections. 2001 CELICA (EWD432U)
  • Page 20 F RELAY LOCATIONS [Engine Compartment] [Instrument Panel] 2001 CELICA (EWD432U)
  • Page 21 [Body] 2001 CELICA (EWD432U)
  • Page 22 F RELAY LOCATIONS : Engine Room J/B Engine Compartment Left (See Page 20) 2001 CELICA (EWD432U)
  • Page 23 (Inner Circuit : See Page 28) 2001 CELICA (EWD432U)
  • Page 24 F RELAY LOCATIONS : Instrument Panel J/B Instrument Panel Brace RH (See Page 21) 2001 CELICA (EWD432U)
  • Page 25 (Inner Circuit : See Page 30) 2001 CELICA (EWD432U)
  • Page 26 F RELAY LOCATIONS : Engine Room R/B No.1 Engine Compartment Left (See Page 20) 2001 CELICA (EWD432U)
  • Page 27 : Engine Room R/B No.2 Engine Compartment Left (See Page 20) 2001 CELICA (EWD432U)
  • Page 28 F RELAY LOCATIONS [Engine Room J/B Inner Circuit] 2001 CELICA (EWD432U)
  • Page 29 2001 CELICA (EWD432U)
  • Page 30 F RELAY LOCATIONS [Instrument Panel J/B Inner Circuit] 2001 CELICA (EWD432U)
  • Page 31 2001 CELICA (EWD432U)
  • Page 32 E 2 Engine Control Module H 4 Headlight RH (Low) E 3 Engine Control Module H 5 Horn LH E 4 Engine Control Module H 6 Horn RH E 5 Engine Control Module E 6 Engine Coolant Temp. Sensor 2001 CELICA (EWD432U)

  • Page 33: Starter S

    K 1 Knock Sensor V 3 VSV (ACIS) V 4 VSV (Canister Closed Valve) M 1 Mass Air Flow Meter V 5 VSV (EVAP) N 1 Noise Filter (Ignition System) W 1 Washer Motor O 2 Oil Pressure SW 2001 CELICA (EWD432U)
  • Page 34 E 2 Engine Control Module H 5 Horn (High) E 3 Engine Control Module H 6 Horn (Low) E 4 Engine Control Module E 5 Engine Control Module E 6 Engine Coolant Temp. Sensor E 7 Oil Pressure SW (VVTL) 2001 CELICA (EWD432U)
  • Page 35 V 4 VSV (Canister Closed Valve) M 1 Mass Air Flow Meter V 5 VSV (EVAP) N 1 Noise Filter (Ignition System) W 1 Washer Motor O 1 O/D Direct Clutch Speed Sensor O 2 Oil Pressure SW 2001 CELICA (EWD432U)
  • Page 36 B 6 Body ECU C17 Cruise Control Clutch SW B 7 Body ECU C18 Cruise Control ECU B 8 Buckle SW LH B 9 Buckle SW RH D 1 Data Link Connector 3 F 12 Front Fog Light Relay 2001 CELICA (EWD432U)
  • Page 37 J 8 Junction Connector S 7 Stereo Component Amplifier J 9 Junction Connector S 8 Stop Light SW J 10 Junction Connector T 2 Turn Signal Flasher Relay O 3 O/D Main SW U 1 Unlock Warning SW 2001 CELICA (EWD432U)
  • Page 38 D 8 Door Side Airbag Sensor RH F 13 Front Door Speaker LH F 14 Front Door Speaker RH F 15 Front Door Tweeter Speaker LH F 16 Front Door Tweeter Speaker RH F 17 Fuel Sender and Pump 2001 CELICA (EWD432U)
  • Page 39 R 8 Rear Speaker LH R 9 Rear Speaker RH R10 Rear Window Defogger R 11 Rear Window Defogger R12 Rear Wiper Motor and Relay R13 Remote Control Mirror LH R14 Remote Control Mirror RH R15 Remote Control Mirror SW 2001 CELICA (EWD432U)
  • Page 40 G ELECTRICAL WIRING ROUTING : Location of Connector Joining Wire Harness and Wire Harness : Location of Ground Points [1ZZ−FE] : Location of Splice Points 2001 CELICA (EWD432U)
  • Page 41 7 6 5 4 3 GRAY Code Joining Wire Harness and Wire Harness (Connector Location) Engine Wire and Engine Room Main Wire (Inside of Engine Room R/B No.1) Engine No.4 Wire and Engine Wire (Under the Intake Manifold) 2001 CELICA (EWD432U)
  • Page 42 G ELECTRICAL WIRING ROUTING : Location of Connector Joining Wire Harness and Wire Harness : Location of Ground Points [2ZZ−GE] : Location of Splice Points 2001 CELICA (EWD432U)
  • Page 43 7 6 5 4 3 GRAY Code Joining Wire Harness and Wire Harness (Connector Location) Engine Wire and Engine Room Main Wire (Inside of Engine Room R/B No.1) Engine No.4 Wire and Engine Wire (Under the Intake Manifold) 2001 CELICA (EWD432U)
  • Page 44 G ELECTRICAL WIRING ROUTING : Location of Connector Joining Wire Harness and Wire Harness : Location of Ground Points 2001 CELICA (EWD432U)
  • Page 45 Roof Wire and Instrument Panel Wire (Left Kick Panel) Instrument Panel Wire and Instrument Panel No.2 Wire (Instrument Panel Reinforcement LH) Cowl No.2 Wire and Instrument Panel Wire (Instrument Panel Brace LH) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) 2001 CELICA (EWD432U)
  • Page 46 G ELECTRICAL WIRING ROUTING : Location of Connector Joining Wire Harness and Wire Harness : Location of Splice Points 2001 CELICA (EWD432U)
  • Page 47 Floor Wire and Instrument panel Wire (Instrument Panel Brace LH) Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) Engine Room Main Wire and Floor Wire (Instrument Panel Brace LH) 2001 CELICA (EWD432U)
  • Page 48 G ELECTRICAL WIRING ROUTING : Location of Connector Joining Wire Harness and Wire Harness : Location of Ground Points : Location of Splice Points 2001 CELICA (EWD432U)
  • Page 49 8 7 6 5 4 3 4 5 6 Code Joining Wire Harness and Wire Harness (Connector Location) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) Back Door No.2 Wire and Back Door No.1 Wire (Back Door Upper Left) 2001 CELICA (EWD432U)
  • Page 50 7. 5A EFI NO. 2 EFI RELAY 7. 5A DRL NO. 1 B−W B−W 10A HEAD LH LWR 10A HEAD RH LWR HEAD RELAY W−B ST RELAY 40A MAIN L−W BATTERY W−L DRL NO. 2 DIMMER RELAY 2001 CELICA (EWD432U)
  • Page 51 5A ABS−IG B−W 5A ECU−IG IGNITION SW 7. 5A TURN 10A HTR 25A WIPER 15A WASHER 15A RR WIPER B−W 15A CIG 7. 5A ECU−ACC 7. 5A ST 10A HEAD RH UPR W−L 10A HEAD LH UPR 2001 CELICA (EWD432U)
  • Page 52 : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 53 MEMO 2001 CELICA (EWD432U)
  • Page 54 STARTING AND IGNITION B−R B−O B−O B−O IGNITION SW RELAY 7. 5A MAIN 7. 5A FL MAIN 3. 0W B−R , S 2 BATTERY STARTER B−R JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 55 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) B−O 25 2C 30 2C 24 2C 13 2C 26 2C 12 2C RELAY W−B W−B W−B IGT1 IGT2 IGT3 IGT4 , E 5 ENGINE CONTROL MODULE 2001 CELICA (EWD432U)
  • Page 56 Engine Wire and Engine Room Main Wire (Inside of Engine Room R/B No.1) 42 (2ZZ−GE) Instrument Panel Wire and Instrument Panel No.2 Wire (Instrument Panel Reinforcement LH) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) 2001 CELICA (EWD432U)
  • Page 57 : GROUND POINTS Code See Page Ground Points Location 40 (1ZZ−FE) Front Left Fender 42 (2ZZ−GE) 40 (1ZZ−FE) Cylinder Head Cover LH 42 (2ZZ−GE) 40 (1ZZ−FE) Front Left Fender 42 (2ZZ−GE) Cowl Side Panel LH 2001 CELICA (EWD432U)
  • Page 58 CHARGING FROM POWER SOURCE SYSTEM (SEE PAGE 52) 7. 5A WARNING ALT−S R−Y COMBINATION METER 120A MPX1 MPX2 FL MAIN 3. 0W BATTERY IC REGULATOR , G 2 GENERATOR 2001 CELICA (EWD432U)
  • Page 59 Engine Wire and Engine Room Main Wire (Inside of Engine Room R/B No.1) 42 (2ZZ−GE) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 60 B−O B−W B−W B−W B−W IGNITION SW B−W B−W 7. 5A 7. 5A 7. 5A MAIN 7. 5A RELAY NO. 1 NO. 2 C/OPN RELAY B−W FL MAIN FUEL 3. 0W PUMP G−R JUNCTION JUNCTION CONNECTOR CONNECTOR 2001 CELICA (EWD432U)
  • Page 61 B−R B−R B−R B−R B−R B−R B−O B−W B−W B−W B−W B−W B−W B−W B−W B−W B−W B−O FROM POWER SOURCE SYSTEM (SEE PAGE 52) RELAY R−B R−L R−W W−B L−B G−R G−R 2001 CELICA (EWD432U)
  • Page 62 ENGINE CONTROL MODULE # 40 # 20 # 30 # 10 IGT1 IGT2 IGT3 IGT4 B−Y B−Y B−Y B−Y IGNITION COIL R−B AND IGNITER NO. 4 R−L R−W W−B W−B W−B W−B W−B W−B L−B L−B G−R G−R 2001 CELICA (EWD432U)
  • Page 63 * 2 : 2ZZ−GE (*1) VAPOR PRESSURE (*2) SENSOR ( *1 ) ( *2 ) ACMG LCKI PTNK , E 3 , E 4 , E 5 ENGINE CONTROL MODULE MREL MOPS OVL+ OVL− OCV+ OCV− F/PS GSW2 L−B G−R 2001 CELICA (EWD432U)
  • Page 64 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) STOP OX1A OX1B G−W W−B G−W (*3) HT1A OX1A HT1B OX1B , E 3 , E 4 , E 5 ENGINE CONTROL MODULE IDLO NE− KNK1 ( *3 ) CRUISE CONTROL 2001 CELICA (EWD432U)
  • Page 65 W−B (* 3) TACH MPX1 MPX2 MPX1 , E 3 , E 4 , E 5 ENGINE CONTROL MODULE BODY ECU DATA LINK CONNECTOR 3 W−B W−B VEHICLE SPEED JUNCTION SENSOR CONNECTOR (* 3) W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 66 TERMINAL STA of the engine control module as a control signal. (12) Engine knock signal circuit Engine knocking is detected by knock sensor and the signal is input into TERMINAL KNK as a control signal. 2001 CELICA (EWD432U)
  • Page 67 When a malfunction has occurred in any system, if there is a possibility of engine trouble being caused by continued control based on the signals from that system, the fail−safe system either controls the system by using data (Standard values) recorded in the engine control module memory or else stops the engine. 2001 CELICA (EWD432U)
  • Page 68 3−5 : Closed with the ignition SW at ON or ST position E6 ENGINE COOLANT TEMP. SENSOR 1−2 : 10.0−20.0 kΩ (−20°C, −4°F) 4.0−7.0 k Ω (0°C, 32°F) 2.0−3.0 kΩ (20°C, 68°F) 0.9−1.3 kΩ (40°C, 104°F) 0.4−0.7 kΩ (60°C, 140°F) 0.2−0.4 kΩ (80°C, 176°F) 2001 CELICA (EWD432U)
  • Page 69 Instrument Panel Wire and Instrument Panel J/B (Instrument Panel Brace RH) Floor Wire and Instrument Panel J/B (Instrument Panel Brace RH) Engine Wire and Engine Room J/B (Engine Compartment Left) Engine Room Main Wire and Engine Room J/B (Engine Compartment Left) 2001 CELICA (EWD432U)
  • Page 70 Cowl Side Panel RH Luggage Room Left : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points 40 (1ZZ−FE) 40 (1ZZ−FE) Engine Room Main Wire Engine Wire 42 (2ZZ−GE) 42 (2ZZ−GE) 2001 CELICA (EWD432U)
  • Page 71 MEMO 2001 CELICA (EWD432U)
  • Page 72 HEADLIGHT R−L L−W W−L HEAD RH HEAD LH MAIN 7. 5A HEAD LH HEAD RH NO. 1 R−B R−Y R−Y BATTERY R−W ( * 2 ) W−B 2001 CELICA (EWD432U)
  • Page 73 CONTROL SENSOR CLTS CLTE CLTB HRLY CLTS CLTE CLTB , B 7 BODY ECU 20 IM , C13 COMBINATION METER TAIL HEAD MPX1 MPX2 HIGH FLASH COMBINATION SW R−Y R−W GENERATOR ( * 2 ) W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 74 : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) Engine Room Main Wire and Floor Wire (Instrument Panel Brace LH) 2001 CELICA (EWD432U)
  • Page 75 Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points 40 (1ZZ−FE) Engine Room Main Wire 42 (2ZZ−GE) 2001 CELICA (EWD432U)
  • Page 76 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) HEAD FR FOG JUNCTION CONNECTOR R−W TO COMBINATION METER FRONT FOG LIGHT RELAY JUNCTION CONNECTOR L−O COMBINATION SW FOG LIGHT SW DIMMER SW HIGH FLASH FRONT FRONT FOG LIGHT FOG LIGHT W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 77 Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location 40 (1ZZ−FE) Front Right Fender 42 (2ZZ−GE) 40 (1ZZ−FE) Front Left Fender 42 (2ZZ−GE) Cowl Side Panel LH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 78 TAILLIGHT TAIL TAIL RELAY TRLY BODY ECU , J 5 JUNCTION CONNECTOR COMBINATION TAIL HEAD 120A FL MAIN 3. 0W BATTERY W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 79 2001 CELICA (EWD432U)
  • Page 80 Back Panel Center : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points 40 (1ZZ−FE) Engine Room No.2 Wire Engine Room Main Wire 42 (2ZZ−GE) Back Door No.2 Wire 2001 CELICA (EWD432U)
  • Page 81 MEMO 2001 CELICA (EWD432U)
  • Page 82 ILLUMINATION 7. 5A 7. 5A TAIL PANEL 1 PANEL 2 RELAY TRLY BODY ECU COMBINATION TAIL HEAD 120A FL MAIN 3. 0W BATTERY W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 83 * 1 : SEPARATE TYPE AMPLIFIER * 2 : BUILT−IN TYPE AMPLIFIER JUNCTION CONNECTOR W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 84 Engine Wire and Engine Room J/B (Engine Compartment Left) Engine Room Main Wire and Engine Room J/B (Engine Compartment Left) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 85 MEMO 2001 CELICA (EWD432U)
  • Page 86 ( *1 ) ( *2 ) ( *1 ) ( *2 ) R−W MPX1 MPX2 , E 3 JUNCTION * 1 : W/ MOON ROOF ENGINE CONTROL MODULE CONNECTOR * 2 : W/O MOON ROOF JUNCTION JUNCTION CONNECTOR CONNECTOR 2001 CELICA (EWD432U)
  • Page 87 Back Door No.1 Wire and Floor Wire (Quarter Panel LH) Back Door No.2 Wire and Back Door No.1 Wire (Back Door Upper Left) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 88 BACK−UP LIGHT FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) BK/UP LP R−B R−B ( A/T ) ( M/T ) R−B , J13 JUNCTION (A/T) CONNECTOR (M/T) REVERSE WARNING BUZZER LIGHT [COMB. METER] BUZZER 2001 CELICA (EWD432U)
  • Page 89 Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) Engine Room Main Wire and Floor Wire (Instrument Panel Brace LH) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH Back Panel Center 2001 CELICA (EWD432U)
  • Page 90 STOP LIGHT FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) STOP STOP LIGHT , J13 JUNCTION CONNECTOR HIGH MOUNTED STOP LIGHT LH STOP LIGHT RH STOP LIGHT [REAR COMB. [REAR COMB. LIGHT LH] LIGHT RH] JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 91 : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness (Connector Location) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) : GROUND POINTS Code See Page Ground Points Location Luggage Room Left Back Panel Center 2001 CELICA (EWD432U)
  • Page 92 7. 5A TURN TURN SIGNAL SW [COMB. SW] HAZARD SW G−W G−W JUNCTION TURN CONNECTOR SIGNAL FLASHER RELAY G−B W−B G−Y , J 5 JUNCTION CONNECTOR , C13 TURN SIGNAL INDICATOR LIGHT [COMB. METER] W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 93 : GROUND POINTS Code See Page Ground Points Location 40 (1ZZ−FE) Front Right Fender 42 (2ZZ−GE) 40 (1ZZ−FE) Front Left Fender 42 (2ZZ−GE) Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH Back Panel Center 2001 CELICA (EWD432U)
  • Page 94 LIGHT REMINDER BUZZER FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A 120A 7. 5A BODY ECU− MPX−B DOOR ECU−IG TAIL RELAY TRLY DCTY , B 7 BODY ECU TAIL HEAD HIGH FLASH COMBINATION JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 95 Instrument Panel Wire and Instrument Panel J/B (Instrument Panel Brace RH) Engine Room Main Wire and Engine Room J/B (Engine Compartment Left) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 96 MULTIPLEX COMMUNICATION SYSTEM (COMMUNICATION BUS) BODY ECU MPX1 , C13 COMBINATION METER MPX+ MPX− MPX1 MPX2 , E 3 ENGINE CONTROL MODULE 2001 CELICA (EWD432U)
  • Page 97 MULTIPLEX COMMUNICATION SYSTEM INCLUDES FOLLOWING SYSTEMS ∗ DOOR LOCK CONTROL ∗ HEADLIGHT ∗ INTERIOR LIGHT ∗ KEY REMINDER AND SEAT BELT WARNING ∗ LIGHT REMINDER BUZZER ∗ MOON ROOF ∗ POWER WINDOW ∗ WIRELESS DOOR LOCK CONTROL 2001 CELICA (EWD432U)
  • Page 98 MULTIPLEX COMMUNICATION SYSTEM FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A 120A 7. 5A BODY ECU− MAIN MPX−B DOOR ECU−IG RELAY L−W L−W R−L HEAD RELAY RDEF FL MAIN 3. 0W 2001 CELICA (EWD432U)
  • Page 99 , B 7 BODY ECU DEFB TRLY HRLY TAIL HEAD L−W HIGH FLASH R−L COMBINATION JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 100 DOOR LOCK MOTOR, DOOR LOCK MOTOR, DOOR LOCK DOOR LOCK DETECTION SW DETECTION SW AND DOOR KEY AND DOOR KEY LOCK AND LOCK AND UNLOCK SW LH UNLOCK SW RH JUNCTION CONNECTOR W−B W−B JUNCTION JUNCTION CONNECTOR CONNECTOR 2001 CELICA (EWD432U)
  • Page 101 , B 7 BODY ECU LSWP DCTY PCTY Y−B Y−B UNLOCK WARNING BACK DOOR LOCK MOTOR W−B W−B 2001 CELICA (EWD432U)
  • Page 102 MULTIPLEX COMMUNICATION SYSTEM , B 7 BODY ECU DBKL PBKL FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) TENS DOOR CONTROL RECEIVER BUCKLE SW BUCKLE SW TENSION REDUCER TENSION REDUCER SOLENOID LH SOLENOID RH W−B W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 103 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A DOME ( * 1 ) ( * 2 ) LBE+ CENTER AIRBAG O/D MAIN FUEL SENDER SENSOR ASSEMBLY (* 1) (* 2) LUGGAGE COMPARTMENT LIGHT SW W−B W−B 2001 CELICA (EWD432U)
  • Page 104 MPX1 17 A 16 A FROM POWER SOURCE SYSTEM (SEE PAGE 52) 7. 5A ECU−B WARNING MOON ROOF CONTROL RELAY AND MOTOR BUZZER MPX1 MPX2 POWER WINDOW , E 3 MOTOR LH ENGINE CONTROL MODULE W−B W−B 2001 CELICA (EWD432U)
  • Page 105 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) , B 7 BODY ECU HORN POWER WINDOW MASTER SW L−B JUNCTION CONNECTOR POWER WINDOW MOTOR RH W−B 2001 CELICA (EWD432U)
  • Page 106 Floor Wire and Instrument Panel J/B (Instrument Panel Brace RH) Cowl No.2 Wire and Instrument Panel J/B (Instrument Panel Brace RH) Engine Wire and Engine Room J/B (Engine Compartment Left) Engine Room Main Wire and Engine Room J/B (Engine Compartment Left) 2001 CELICA (EWD432U)
  • Page 107 Back Door No.2 Wire and Back Door No.1 Wire (Back Door Upper Left) : GROUND POINTS Code See Page Ground Points Location 40 (1ZZ−FE) Front Left Fender 42 (2ZZ−GE) Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH Luggage Room Left 2001 CELICA (EWD432U)
  • Page 108 WARNING SW W−L , B 7 BODY ECU DCTY PCTY LSWD ACTD ACT+ DOOR CONTROL RECEIVER DOOR LOCK MOTOR, DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW LH JUNCTION CONNECTOR JUNCTION JUNCTION CONNECTOR CONNECTOR 2001 CELICA (EWD432U)
  • Page 109 7 IO 2 IL 1 IO 1 IH2 5 IH2 6 IH2 2 IH2 10 IH2 W−B BACK DOOR DOOR LOCK MOTOR, LOCK MOTOR DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW RH JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 110 2−1 : Closed with the ignition key in the cylinder D2 DOOR CONTROL RECEIVER 5−GROUND : Always approx. 12 volts 1−GROUND : Always continuity : PARTS LOCATION Code See Page Code See Page Code See Page 32 (1ZZ−FE) 34 (2ZZ−GE) 32 (1ZZ−FE) 34 (2ZZ−GE) 2001 CELICA (EWD432U)
  • Page 111 Back Door No.2 Wire and Back Door No.1 Wire (Back Door Upper Left) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH Luggage Room Left 2001 CELICA (EWD432U)
  • Page 112 ECU− MPX−B DOOR ECU−IG UNLOCK WARNING SW W−L , B 7 BODY ECU DCTY PCTY LSWD ACTD ACT+ DOOR LOCK MOTOR, DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW LH JUNCTION CONNECTOR JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 113 MPX1 , E 3 ENGINE CONTROL MODULE MPX1 , B 7 BODY ECU ACT− LSWP W−B BACK DOOR LOCK MOTOR DOOR LOCK MOTOR, DOOR LOCK DETECTION SW AND DOOR KEY LOCK AND UNLOCK SW RH JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 114 2−4 : Closed with door lock cylinder locked with key 1−4 : Closed with door lock cylinder unlocked with key : PARTS LOCATION Code See Page Code See Page Code See Page 34 (2ZZ−GE) 32 (1ZZ−FE) 34 (2ZZ−GE) 32 (1ZZ−FE) 2001 CELICA (EWD432U)
  • Page 115 Back Door No.1 Wire and Floor Wire (Quarter Panel LH) Back Door No.2 Wire and Back Door No.1 Wire (Back Door Upper Left) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 116 ECU−ACC ECU−IG MPX+ MPX− 12 A 18 B 5 IE5 7 IE4 MPX1 , B 7 BODY ECU 10 B DCTY PCTY MPX1 MPX2 ENGINE CONTROL MODULE POWER WINDOW MASTER SW POWER WINDOW LOCK SW JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 117 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) FL P/W FR P/W POWER WINDOW MASTER SW POWER WINDOW POWER WINDOW MOTOR LH MOTOR RH 2001 CELICA (EWD432U)
  • Page 118 18−GROUND : Approx. 12 volts with the ignition SW at ON position and the master SW at DOWN or AUTO DOWN position P4 POWER WINDOW LOCK SW 7−10 : Open with the window lock SW at LOCK position : PARTS LOCATION Code See Page Code See Page Code See Page 32 (1ZZ−FE) 34 (2ZZ−GE) 32 (1ZZ−FE) 34 (2ZZ−GE) 2001 CELICA (EWD432U)
  • Page 119 Floor Wire and Instrument Panel Wire (Instrument Panel Brace LH) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 120 7. 5A BODY TENS MPX−B DOOR ECU−ACC S/ROOF ECU−IG , B 7 BODY ECU DCTY PCTY MOON ROOF CONTROL RELAY AND MOTOR MOON ROOF CONTROL RELAY MOON ROOF MOTOR AND LIMIT SW MOON ROOF CONTROL OPEN CLOSE W−B 2001 CELICA (EWD432U)
  • Page 121 See Page Joining Wire Harness and Wire Harness (Connector Location) Roof Wire and Instrument Panel Wire (left Kick Panel) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH Cowl Side Panel RH Roof Left 2001 CELICA (EWD432U)
  • Page 122 REDUCER SOLENOID LH SOLENOID RH DBKL PBKL MPX1 , B 7 BODY ECU , C13 COMBINATION METER MPX+ MPX− 12 A 18 B 5 IE5 7 IE4 10 B MPX1 MPX2 , E 3 ENGINE CONTROL MODULE 2001 CELICA (EWD432U)
  • Page 123 : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 124 KEY REMINDER AND SEAT BELT WARNING FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A 7. 5A BODY ECU− MPX−B DOOR ECU−IG Y−G R−L MPX1 , B 7 BODY ECU DCTY PCTY DBKL PBKL 21 B W−B W−B 2001 CELICA (EWD432U)
  • Page 125 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A WARNING DOME Y−G R−L PBEW BUZZER PASSENGER SEAT BELT WARNING [CLOCK] EARTH 12 A 18 B 5 IE5 7 IE4 10 B MPX1 MPX2 W−B W−B 2001 CELICA (EWD432U)
  • Page 126 Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace LH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 127 D After work on the SRS is completed, perform the SRS warning light check. D If the vehicle is equipped with a mobile communication system, refer to the precaution in the IN section of the Repair Manual. 2001 CELICA (EWD432U)
  • Page 128 CENTER AIRBAG SENSOR ASSEMBLY GSW2 LBE+ D− P− 7. 5A FL MAIN 3. 0W F/PS BLTW SPIRAL CABLE BATTERY ENGINE BODY ECU CONTROL MODULE AIRBAG SQUIB AIRBAG SQUIB ( STEERING WHEEL ( FRONT PASSENGER PAD ) AIRBAG ASSEMBLY ) 2001 CELICA (EWD432U)
  • Page 129 SFR− −SL −SR , C 7 , C 8 CENTER AIRBAG SENSOR ASSEMBLY DML+ DML− DMR+ DMR− VUPL SSL+ VUPR SSR+ DOOR SIDE DOOR SIDE SIDE AIRBAG SENSOR LH SIDE AIRBAG SENSOR RH AIRBAG SENSOR AIRBAG SENSOR 2001 CELICA (EWD432U)
  • Page 130 Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 131 MEMO 2001 CELICA (EWD432U)
  • Page 132 STOP GR−R GR−R STOP LIGHT RELAY RELAY , A11 ABS ECU SFLH SFLR SRRH SRRR SFRH SFRR SFLH SRLR GND1 GND2 W−B SFLH SFLR SRRH SRRR SFRH SFRR SRLH SRLR JUNCTION CONNECTOR , A 5 ABS ACTUATOR 2001 CELICA (EWD432U)
  • Page 133 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) WARNING DATA LINK C12 A , C13 CONNECTOR 3 COMBINATION METER , A11 ABS ECU FL− FR− RL− RR− ABS SPEED ABS SPEED ABS SPEED ABS SPEED SENSOR FRONT SENSOR FRONT SENSOR REAR SENSOR REAR 2001 CELICA (EWD432U)
  • Page 134 Code See Page 32 (1ZZ−FE) 32 (1ZZ−FE) 34 (2ZZ−GE) 34 (2ZZ−GE) 32 (1ZZ−FE) 34 (2ZZ−GE) 32 (1ZZ−FE) 34 (2ZZ−GE) : RELAY BLOCKS Code See Page Relay Blocks (Relay Block Location) Engine Room R/B No.1 (Engine Compartment Left) 2001 CELICA (EWD432U)
  • Page 135 Floor Wire and Instrument Panel Wire (Instrument Panel Brace LH) Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location 40 (1ZZ−FE) Front Left Fender 42 (2ZZ−GE) Instrument Panel Brace RH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 136 CRUISE CONTROL CLUTCH R−L ( A/T ) B−O (A/T) B−W ( * 2 ) CRUISE CONTROL ECU CRUISE 14 IE5 13 IE5 RES/ACC SET/COAST 6 EA2 4 EA2 CANSEL W−B VEHICLE SPEED SENSOR ( COMBINATION METER ) 2001 CELICA (EWD432U)
  • Page 137 ( *1 ) ( *2 ) JUNCTION CONNECTOR B−O (A/T) B−W ( * 2 ) CRUISE CONTROL ECU STP− G−B STOP LIGHT DATA LINK CONNECTOR 3 CRUISE CONTROL ACTUATOR W−B W−B W−B W−B W−B JUNCTION CONNECTOR JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 138 If any of the following conditions are detected, the set speed is erased and the control is canceled. (1) Disconnection or short in the Stop Light SW (2) Abnormality in vehicle speed signal (3) Abnormality in the actuator (4) The actual vehicle speed becomes slower than the minimum speed limit 2001 CELICA (EWD432U)
  • Page 139 Instrument Panel Wire and Instrument Panel No.2 Wire (Instrument Panel Reinforcement LH) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 140 NC+ ( *2 ) NC− ( *2 ) BATT NT− , E 3 , E 4 , E 5 ENGINE CONTROL MODULE MREL ( * 1 ) ( * 2 ) (* 1) ( * 2 ) 2001 CELICA (EWD432U)
  • Page 141 S1 ( * 1 ) S2 ( * 1 ) SLT+ SLT− SL1+ SL1− SL2− THO ( *2 ) SL2+ ( * 2 ) S4 ( * 2 ) ( * 1 ) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID 2001 CELICA (EWD432U)
  • Page 142 , E 4 , E 5 O/D MAIN SW ENGINE CONTROL MODULE , B 7 SFTU(* 2) SFTD(* 2) ODLP BODY ECU W−R SFTU SFTD TRANSMISSION SHIFT SW [COMB. SW] JUNCTION CONNECTOR W−B BR−Y W−B JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 143 FROM POWER SOURCE SYSTEM (SEE PAGE 52) * 2 : 2ZZ−GE WARNING LG−R LG−R W−R P−B Y−G R−L , C13 COMBINATION METER W−B BR−Y BR−Y 2001 CELICA (EWD432U)
  • Page 144 34 (2ZZ−GE) 32 (1ZZ−FE) 33 (1ZZ−FE) 34 (2ZZ−GE) 35 (2ZZ−GE) 33 (1ZZ−FE) 32 (1ZZ−FE) 35 (2ZZ−GE) 33 (1ZZ−FE) 34 (2ZZ−GE) 33 (1ZZ−FE) 35 (2ZZ−GE) 32 (1ZZ−FE) 35 (2ZZ−GE) 33 (1ZZ−FE) 34 (2ZZ−GE) 35 (2ZZ−GE) 32 (1ZZ−FE) 34 (2ZZ−GE) 2001 CELICA (EWD432U)
  • Page 145 42 (2ZZ−GE) Instrument Panel Brace RH Cowl Side Panel RH : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points 40 (1ZZ−FE) Engine Wire 42 (2ZZ−GE) Engine Wire 2001 CELICA (EWD432U)
  • Page 146 SHIFT LOCK FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) TENS STOP STOP LIGHT SLS+ SLS− SHIFT LOCK CONTROL ECU 2001 CELICA (EWD432U)
  • Page 147 Junction Block and Wire Harness (Connector Location) Instrument Panel Wire and Instrument Panel J/B (Instrument Panel Brace RH) Floor Wire and Instrument Panel J/B (Instrument Panel Brace RH) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 148 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) * 1 : W/ DOOR LOCK CONTROL * 2 : W/O DOOR LOCK CONTROL HORN HORN RELAY JUNCTION CONNECTOR L−B (*1) HORN BODY ECU L−B ( *1 ) HORN SW [COMB. SW] HORN (HIGH) HORN (LOW) 2001 CELICA (EWD432U)
  • Page 149 Engine Room Main Wire and Engine Room J/B (Engine Compartment Left) : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room Main Wire and Instrument Panel Wire (Instrument Panel Brace LH) 2001 CELICA (EWD432U)
  • Page 150 CIGARETTE LIGHTER AND CLOCK FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A 7. 5A ECU−ACC DOME CIGARETTE LIGHTER CLOCK EARTH PBEW COMBINATION METER 2001 CELICA (EWD432U)
  • Page 151 : JUNCTION BLOCK AND WIRE HARNESS CONNECTOR Code See Page Junction Block and Wire Harness (Connector Location) Instrument Panel Wire and Instrument Panel J/B (Instrument Panel Brace RH) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 152 REMOTE CONTROL MIRROR FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A ECU−ACC REMOTE CONTROL MIRROR SW JUNCTION CONNECTOR JUNCTION CONNECTOR REMOTE CONTROL MIRROR LH REMOTE CONTROL MIRROR RH 2001 CELICA (EWD432U)
  • Page 153 Joining Wire Harness and Wire Harness (Connector Location) Front Door LH Wire and Instrument Panel Wire (Left Kick Panel) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH 2001 CELICA (EWD432U)
  • Page 154 FRONT WIPER AND WASHER WASHER SW L−B WIPER SW WASHER MOTOR L−W L−W L−O L−O L−Y L−Y FRONT WIPER AND WASHER SW [COMB. SW] JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 155 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) WASHER WIPER L−B L−W L−O L−Y FRONT WIPER MOTOR 2001 CELICA (EWD432U)
  • Page 156 Instrument Panel Wire and Instrument Panel J/B (Instrument Panel Brace RH) : CONNECTOR JOINING WIRE HARNESS AND WIRE HARNESS Code See Page Joining Wire Harness and Wire Harness (Connector Location) Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) 2001 CELICA (EWD432U)
  • Page 157 : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 158 REAR WIPER AND WASHER FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) WASHER RR WIPER REAR WIPER AND WASHER SW [COMB. SW] WASHER1 WASHER MOTOR WASHER2 REAR WIPER MOTOR AND RELAY REAR WIPER RELAY REAR WIPER MOTOR 2001 CELICA (EWD432U)
  • Page 159 Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) Back Door No.2 Wire and Back Door No.1 Wire (Back Door Upper Left) : GROUND POINTS Code See Page Ground Points Location Cowl Side Panel LH 2001 CELICA (EWD432U)
  • Page 160 REAR WINDOW DEFOGGER FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) DEF RLY DEFB BODY ECU RELAY RDEF A/C SW , R11 REAR WINDOW DEFOGGER COMBINATION METER W−B 2001 CELICA (EWD432U)
  • Page 161 : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH Luggage Room Left : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points Floor Wire 2001 CELICA (EWD432U)
  • Page 162 RADIO AND PLAYER MUTE BEEP JUNCTION CONNECTOR L−Y JUNCTION CONNECTOR , S 7 STEREO POWER AMPLIFIER AMP+ MUTE BEEP GND ( E ) FL− WL− SQ− WF− FRONT DOOR TWEETER SPEAKER LH WOOFER SPEAKER LH JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 163 F. R R. L R. R SGND SGD3 REAR SPEAKER REAR SPEAKER 5 IF1 GND ( S ) RL− RR− FR− WR− , S 7 STEREO POWER AMPLIFIER SQ− WF− FRONT DOOR TWEETER SPEAKER RH WOOFER SPEAKER RH 2001 CELICA (EWD432U)
  • Page 164 Floor Wire and Instrument Panel Wire (Instrument Panel Brace LH) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 165 MEMO 2001 CELICA (EWD432U)
  • Page 166 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A ECU−ACC RADIO , R 3 RADIO AND PLAYER FL− FR− RL− RR− REAR SPEAKER REAR SPEAKER FRONT DOOR FRONT DOOR TWEETER TWEETER SPEAKER SPEAKER FRONT DOOR FRONT DOOR SPEAKER LH SPEAKER RH 2001 CELICA (EWD432U)
  • Page 167 Front Door LH Wire and Instrument Panel Wire (Left Kick Panel) Floor Wire and Instrument Panel Wire (Instrument Panel Brace LH) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location Instrument Panel Brace RH 2001 CELICA (EWD432U)
  • Page 168 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) , E 3 , E 4 C , E 5 D ENGINE CONTROL MODULE 7. 5A BK/UP LP PANEL 2 MPX1 MPX2 MOPS FROM ILLUMINATIONS , C13 COMBINATION METER LCD DISPLAY BUZZER 15 B 14 B 2001 CELICA (EWD432U)
  • Page 169 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A WARNING ECU−B 11 IM COMBINATION METER 2001 CELICA (EWD432U)
  • Page 170 COMBINATION METER R−W ( * 2 ) R−W ( * 1 ) , C13 COMBINATION METER 16 A Y−G R−L JUNCTION CONNECTOR 2001 CELICA (EWD432U)
  • Page 171 * 2 : W/O FRONT FOG LIGHT HEAD RH FRONT FOG LIGHT RELAY JUNCTION CONNECTOR R−W R−W (* 2) R−W ( *2 ) R−W ( *1 ) , B 7 BODY ECU MPX1 FU− BLVL DCTY PCTY DBKL PBKL Y−G R−L FUEL SENDER 2001 CELICA (EWD432U)
  • Page 172 Front Left Fender 42 (2ZZ−GE) Cowl Side Panel LH Instrument Panel Brace RH Cowl Side Panel RH : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points Floor Wire 2001 CELICA (EWD432U)
  • Page 173 MEMO 2001 CELICA (EWD432U)
  • Page 174 RADIATOR FAN AND CONDENSER FAN FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) NO. 1 NO. 2 NO. 3 RELAY RELAY RELAY RADIATOR FAN MOTOR ENGINE CONTROL MODULE A/C SINGLE PRESSURE SW W−B 2001 CELICA (EWD432U)
  • Page 175 Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) : GROUND POINTS Code See Page Ground Points Location 40 (1ZZ−FE) Front Right Fender 42 (2ZZ−GE) 40 (1ZZ−FE) 42 (2ZZ−GE) Front Left Fender 40 (1ZZ−FE) 42 (2ZZ−GE) Cowl Side Panel RH 2001 CELICA (EWD432U)
  • Page 176 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) MG/C HEATER RELAY RELAY BLOWER MOTOR BLOWER RESISTOR , E 3 B−W W−B ENGINE CONTROL MODULE ACMG LCKI MPX1 MPX2 W−B BLOWER SW V−W LG−R LG−R LG−R LG−R A/C DUAL PRESSURE 2001 CELICA (EWD432U)
  • Page 177 FROM POWER SOURCE SYSTEM ( SEE PAGE 52 ) 7. 5A ECU−B WARNING A/C SW LA/C W−B , C13 COMBINATION METER V−W LG−R W−B LG−R 2001 CELICA (EWD432U)
  • Page 178 32 (1ZZ−FE) 34 (2ZZ−GE) 34 (2ZZ−GE) 32 (1ZZ−FE) 32 (1ZZ−FE) 34 (2ZZ−GE) 34 (2ZZ−GE) 33 (1ZZ−FE) 35 (2ZZ−GE) 32 (1ZZ−FE) : RELAY BLOCKS Code See Page Relay Blocks (Relay Block Location) Engine Room R/B No.1 (Engine Compartment Left) 2001 CELICA (EWD432U)
  • Page 179 40 (1ZZ−FE) Front Left Fender 42 (2ZZ−GE) Instrument Panel Brace RH Cowl Side Panel RH : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points Cowl No.2 Wire 2001 CELICA (EWD432U)
  • Page 180 (E2) (GND) A/C SW W−B W−B W−B CLOCK BLOWER SW W−B W−B W−B CIGARETTE BLOWER RESISTOR LIGHTER W−B W−B W−B COMBINATION (E2) METER W−B RADIO AND PLAYER (* 1) W−B RADIO AND PLAYER ( * 2 ) 2001 CELICA (EWD432U)
  • Page 181 WIPER AND WASHER SW [COMB. SW] W−B W−B TURN SIGNAL FLASHER RELAY W−B W−B DATA LINK CONNECTOR 3 W−B W−B HIGH BEAM INDICATOR LIGHT [COMB. METER] W−B W−B POWER WINDOW LOCK W−B W−B W−B COMBINATION ( EL ) RHEOSTAT 2001 CELICA (EWD432U)
  • Page 182 A/C DUAL FRONT FOG LIGHT PRESSURE SW W−B W−B A/C SINGLE FRONT TURN SIGNAL PRESSURE SW LIGHT RH W−B W−B FRONT PARKING LIGHT HEADLIGHT RH (LOW) W−B W−B FRONT SIDE MARKER FRONT WIPER MOTOR LIGHT RH W−B 2001 CELICA (EWD432U)
  • Page 183 STOP LIGHT W−B W−B DOOR CONTROL RECEIVER W−B W−B W−B REAR COMBINATION FUEL PUMP LIGHT LH W−B W−B W−B REAR WINDOW DEFOGGER W−B REAR COMBINATION LIGHT RH W−B LICENSE PLATE LIGHT LH W−B LICENSE PLATE LIGHT RH 2001 CELICA (EWD432U)
  • Page 184 Engine Room No.2 Wire and Instrument Panel Wire (Right Kick Panel) Front Door RH Wire and Instrument Panel Wire (Right Kick Panel) Back Door No.1 Wire and Floor Wire (Quarter Panel LH) Back Door No.2 Wire and Back Door No.1 Wire (Back Door Upper Left) 2001 CELICA (EWD432U)
  • Page 185 Back Panel Center : SPLICE POINTS Code See Page Wire Harness with Splice Points Code See Page Wire Harness with Splice Points 40 (1ZZ−FE) Engine Room Main Wire Engine Room Main Wire 42 (2ZZ−GE) Engine Room No.2 Wire 2001 CELICA (EWD432U)
  • Page 186 J POWER SOURCE (Current Flow Chart) 2001 CELICA (EWD432U)
  • Page 187 2001 CELICA (EWD432U)

  • Page 188: Electronically Controlled Transmission And A/T Indicator

    Headlight MAIN Multiplex Communication System Starting and Ignition Air Conditioning Charging Illumination Light Reminder Buzzer 120A Multiplex Communication System Taillight ∗ These are the page numbers of the first page on which the related system is shown. 2001 CELICA (EWD432U)

  • Page 189: Cigarette Lighter And Clock

    Key Reminder and Seat Belt Warning Multiplex Communication System Cigarette Lighter and Clock Door Lock Control 7.5A ECU−ACC Electric Tension Reducer Interior Light ∗ These are the page numbers of the first page on which the related system is shown. 2001 CELICA (EWD432U)
  • Page 190 Fog Light Radio and Player (Built−In Type Amplifier) RADIO Radio and Player (Separate Type Amplifier) RR WIPER Rear Wiper and Washer ∗ These are the page numbers of the first page on which the related system is shown. 2001 CELICA (EWD432U)
  • Page 191 Rear Window Defogger Engine Room R/B No.2 (See Page 27) Fuse System Page HEAD LH UPR Headlight HEAD RH UPR Headlight ∗ These are the page numbers of the first page on which the related system is shown. 2001 CELICA (EWD432U)
  • Page 192 14 15 16 17 18 19 20 21 22 23 24 25 26 GRAY GRAY BLACK BLACK 6 7 8 BLACK 3 4 5 6 7 8 9 101112 13 14 15 16171819 2021222324 25 BLACK BLACK BLACK BLACK BLACK 1 2 3 4 2001 CELICA (EWD432U)
  • Page 193 9 10 1112131415 16 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BLACK BLACK YELLOW YELLOW 1 2 3 4 5 6 1 2 3 4 5 6 2001 CELICA (EWD432U)

  • Page 194: Celica (Ewd432U)

    12 13 14 15 16 17 16 17 20 21 25 26 GRAY GRAY 3 4 5 6 7 3 4 5 6 7 8 9 YELLOW YELLOW BLACK BLACK BLACK GRAY GRAY BLACK 1 2 3 2001 CELICA (EWD432U)
  • Page 195 BLACK BLACK A B B A A B B C C A A B B C C A A B C C C C C D D D E E E D D D E E E 2001 CELICA (EWD432U)
  • Page 196 3 4 5 6 7 8 5 6 7 8 9 10 BLACK GRAY GRAY BLACK BLACK BLUE 1 2 3 4 5 6 7 8 9 5 6 7 8 9 10 10 11 12 13 14 15 16 17 18 2001 CELICA (EWD432U)
  • Page 197 11 12 13 14 15 16 17 18 19 20 BLACK BLACK BLACK BLACK YELLOW 1 2 3 4 5 6 7 8 9 10 YELLOW 10 11 12 13 14 15 YELLOW YELLOW BLACK 1 2 3 2001 CELICA (EWD432U)
  • Page 198 K CONNECTOR LIST BLACK BLACK BLUE BLACK 1 2 3 BLACK BLACK BLUE BLACK 1 2 3 1 2 3 2001 CELICA (EWD432U)
  • Page 199 MEMO 2001 CELICA (EWD432U)
  • Page 200 Heated Oxygen Sensor (Bank 1 Sensor 2) 90980−1 1028 Cruise Control ECU 90980−1 1391 High Mounted Stop Light 90980−10859 Data Link Connector 3 90980−1 1665 Note: Not all of the above part numbers of the connector are established for the supply. 2001 CELICA (EWD432U)
  • Page 201 Washer Motor 90980−10981 Power Window Lock SW 90980−10997 Woofer Speaker LH Power Window Master SW 90980−1 1973 90980−10795 Woofer Speaker RH Personal Light (w/o Moon Roof) 90980−1 1148 Power Window Motor LH 90980−10860 Power Window Motor RH 2001 CELICA (EWD432U)
  • Page 203 [A] : System Title [F] : Junction Block (The number in the circle is the J/B No. and the connector code is shown beside [B] : Indicates the wiring color. it). Junction Blocks are shaded to clearly Wire colors are indicated by an alphabetical code. separate them from other parts.
  • Page 204 SYSTEM INDEX SYSTEMS LOCATION SYSTEMS LOCATION ........... . . 14−2 ∗...
  • Page 205 ( Cont. next page ) 1 CELICA ELECTRICAL WIRING DIAGRAM P ow er S ource M ultiplex C ommunic ation S ys tem L−B L−Y R−L R−L L−R AUTOMATIC LIGHT CONTROL SENSOR CLTS CLTE CLTB IGNITION SW 17 B 24 A DEFB TRLY HRLY...
  • Page 206 1 CELICA ( Cont’ d ) ( Cont. next page ) M ultiplex C ommun ication S y stem * 1 : w/ Moon Roof * 2 : w/o Moon Roof L−B L−B L−Y L−Y R−L R−L R−L R−L See Combination Meter System<18−7><18−8>...
  • Page 207 1 CELICA ( Cont’ d ) M ultiplex C ommun ication S y stem L−B L−Y R−L R−L BODY ECU PBKL DBKL 15 B 16 B 11 B 14 B POWER WINDOW MASTER SW 3 IF1 8 IF1 9 IF1 2 IF1 8 IA2 7 IA2...
  • Page 209 ( Cont. next page ) 2 CELICA P ow er S ource E ngin e C ontrol B−O B−W B−W B−W B−W 5 AM2 B−R B−W B−R B−R B−R IGNITION SW W−R From ABS ECU <14−3> B−Y From Center Airbag Sensor Assembly<15−2>...
  • Page 210 2 CELICA ( Cont’ d ) ( Cont. next page ) E ngine C ontrol * 1 : 1ZZ−FE * 2 : 2ZZ−GE B−O B−W B−W B−W W−B B−W B−W B−W B−R THROTTLE (*1) B−W B−W POSITION VAPOR PRESSURE (*2) SENSOR SENSOR B−R...
  • Page 211 2 CELICA ( Cont’ d ) E ngine C ontrol * 3 : Shielded W−B B−W B−W W−B OX1A OX1B 5 EA1 8 EA1 2 EA1 12 C 16 B 25 B HT1A OX1A HT1B OX1B , E 3 , E 4 , E 5 ENGINE CONTROL MODULE NE−...
  • Page 212 3 CELICA ( Cont. next page ) P ow er S ource E lectronically C ontrolled Trans mission and A /T Indicator * 1 : 1ZZ−FE * 2 : 2ZZ−GE R−Y R−L R−L A/T INDICATOR SW [PARK/NEUTRAL POSITION SW] B−O IGNITION SW RELAY 16 A...
  • Page 213 3 CELICA ( Cont’ d ) E lectronically C ontrolled T ransmiss ion and A /T Indicator * 2 : 2ZZ−GE R−Y BR−Y 1 II1 7 IF2 16 D 15 D 14 D 26 D 10 B 19 B 13 B 22 A COMBINATION METER NT−...
  • Page 214 4 CELICA P ow er S ource S tarting and Ignition B−R B−O B−O B−W IGNITION SW 1 IE4 1 IE1 4 EA1 RELAY 30 2C 13 2C 12 2C 3 IC1 PARK/NEUTRAL POSITION SW 6 IC1 W−B W−B W−B 14 EA1 FL MAIN W−B...
  • Page 215 5 CELICA P ow er S ource C harging F og L ight 9 IE4 L−R JUNCTION CONNECTOR R−W IGNITION SW R−W To Combination Meter<6−3> L−R FRONT FOG LIGHT RELAY JUNCTION CONNECTOR L−O See Headlight System<6−1> See Multiplex EL HF HU HL BFG Communication System<1−8>...
  • Page 216 6 CELICA P ow er S ource H eadlight * 1 : w/ Fog Light * 2 : w/o Fog Light L−R L−R L−R RELAY L−W IGNITION SW W−L L−R W−B W−B 2 II1 17 B HRLY BODY ECU HEAD CLTS CLTE CLTB RELAY 12 A...
  • Page 217 7 CELICA P ow er S ource T aillight TAIL RELAY TAIL TRLY BODY ECU JUNCTION CONNECTOR 1 BA1 1 2E 1 BB1 120A TAIL COMBINATION HEAD FL MAIN 3. 0W BATTERY W−B JUNCTION CONNECTOR Cowl side Front left Cowl side Front right Back panel Back Door...
  • Page 218 8 CELICA P ow er S ource B ack −U p L ight S to p Light H orn * 1 : w/ Door Lock Control * 2 : w/o Door Lock Control 120A R−L (A/T) IGNITION SW 1 IA 7 IB HORN R−B...
  • Page 219 9 CELICA P ow er S ource Illumination * 1 : Separate Type Amplifier * 2 : Built−In Type Amplifier 7. 5A 7. 5A PANEL 1 PANEL 2 TAIL RELAY TRLY B 6 A BODY ECU JUNCTION CONNECTOR W−G R−B 120A 12 B 10 A...
  • Page 220 10 CELICA P ow er S ource T urn S ignal and H a zard W arning Ligh t S hift Loc k TURN SIGNAL SW HAZARD SW [COMB. SW] STOP LIGHT IGNITION SW JUNCTION CONNECTOR TURN SIGNAL FLASHER RELAY G−B SHIFT LOCK CONTROL ECU...
  • Page 221 11 CELICA P ow e r S ourc e R ear W iper and W asher F ront W iper and W asher L−R WIPER WASHER RR WIPER IGNITION SW WASHER MOTOR RELAY 4 IG2 10 IG2 L−B L−Y REAR WIPER RELAY L−Y...
  • Page 222 12 CELICA P ow er S ource M o on R oof R emote C ontrol M irro r IGNITION SW L−R R−L 4 IA1 REMOTE CONTROL MIRROR SW 3 IB1 4 IB1 5 IB1 JUNCTION CONNECTOR MOON ROOF CONTROL RELAY MOON ROOF 11 IA1 12 IA1...
  • Page 223 13 CELICA P ow er S ource C ru ise C ontrol 1 IC1 B−W (2ZZ−GE) 10 EA1 IGNITION SW L−R 3 EA1 2 IC1 5 IE3 6 IE3 7 IE3 16 IE3 B−Y (A/T) CRUISE CONTROL ECU STP− W−B 120A CRUISE 6 IG3...
  • Page 224 14 CELICA P ow er S ource A B S IGNITION SW ABS SPEED SENSOR ABS SPEED SENSOR FRONT LH FRONT RH L−R 22 A GR−R 1 IG2 6 IG2 B−R 17 B 19 A 2 IE5 6 IE5 26 B 13 B 21 B 24 B...
  • Page 225 15 CELICA P ow er S ource S R S * 1 : w/ Side Airbag 9 IM FRONT AIRBAG SENSOR SIDE AIRBAG SIDE AIRBAG FRONT AIRBAG SENSOR SQUIB LH SQUIB RH 6 IH B−O IGNITION SW 14 IB 1 IE2 2 IE2 2 IG1 1 IG1...
  • Page 226 16 CELICA R ad io and P laye r ( B uilt− In Ty pe A mplifier ) P ow er S ource C igarette Lighter and C lock REAR SPEAKER REAR SPEAKER IGNITION SW 13 IF1 4 IF1 5 IF1 RADIO AND PLAYER RL−...
  • Page 227 17 CELICA R ad io and P laye r ( S eparate Ty pe A mplifier ) P ow er S ource RADIO AND PLAYER REAR SPEAKER MUTE BEEP F. L F. R R. L R. R SGND GND3 IGNITION SW 12 IF1 13 IF1 JUNCTION...
  • Page 228 18 CELICA P ow er S ource C ombination M eter R−L Y−G R−L From Engine To Cruise From Engine Control Module Control ECU Control ECU <2−8> <13−2> <2−8> L−R To Clock<16−2> See Air Conditioning System<20−4> IGNITION SW 12 B 12 A 18 B 22 A 11 A 13 A...
  • Page 229 18 CELICA ( Cont’ d ) C ombination M eter R−L Y−G 14 A 17 A 16 A BODY ECU MPX1 FU− BLVL DBKL PBKL DCTY PCTY 19 B 12 B 13 B 14 B 20 B 21 B 18 IE5 19 A 16 A 15 A...
  • Page 230 19 CELICA P ow er S ource R adiator F an and C ondens er F an R ear W indow D efogger BODY ECU L−R DEFB E DEF IGNITION SW RELAY 4 BA1 RDEF NO. 1 RELAY NO. 2 RELAY NO.
  • Page 231 20 CELICA P ow er S ource A ir C onditioning A/C SW IGNITION SW A/C EVAPORATOR TEMP. SENSOR LA/C RELAY MG/C HEATER RELAY RELAY 16 ID1 15 ID1 14 ID1 7 ID1 18 ID1 L−R BLOWER 18 A 15 B 10 B 14 B MOTOR...

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