Subaru 1997 Impreza Manuals

Manuals and User Guides for Subaru 1997 Impreza. We have 2 Subaru 1997 Impreza manuals available for free PDF download: Service Manual

Subaru 1997 Impreza Service Manual

Subaru 1997 Impreza Service Manual (616 pages)

Brand: Subaru | Category: Automobile | Size: 45.57 MB

Table of Contents

Specifications
3
Dimensions
3
Engine Data
3
Electrical Data
4
Transmission Data
4
Steering Data
6
Suspension Data
6
Brake Data/Tire Data
6
Capacity
6
Weight
7
General Information
8
General Precautions
8
Treatment for Used Engine Oil
8
Health Protection Precautions
8
Environmental Protection Precautions
9
Safe Handling of at Vehicle
9
Full-Time AWD MT Models
9
Speedometer Test
9
General Information
9
Brake Test
10
Chassis Dynamometer Test
10
Tire Balance Test (ON-Car Machine)
10
Towing
11
Precaution for Supplemental Restraint System (Airbag)
16
Identification Number and Label Locations
17
Recommended Fuel, Lubricants, Sealants and Adhesives
19
Fuels Containing Alcohol
19
Lubricants
20
Fluid
21
Coolant
21
Sealants
22
Adhesives
22
Tightening Torque of Standard Bolts and Nuts
23
Lifting, Towing and Tie-Down Points
24
Garage Jack
24
Pantograph Jack, Safety Stand and Lift
25
Towing and Tie-Down Hooks
27
Front Hood Stay Installation
28
Periodic Maintenance Services
29
Drive Belts (Except Camshaft) Maintenance
31
Camshaft Drive Belt (Timing Belt) Maintenance
33
Engine Oil Replacement
38
Engine Oil Inspection
40
Engine Oil Filter Maintenance
41
Replace Engine Coolant and Inspect Cooling System
42
Relationship of Subaru Coolant Concentration and Freezing Temperature
44
To Adjust the Concentration of Coolant
45
Cooling System Inspection
45
Replace Fuel Filter and Inspect Fuel System, Lines and Connections
47
Air Cleaner Element Maintenance
49
Spark Plugs Maintenance
50
Idle Mixture (Except for Catalyst Model) Inspection and Adjustment
51
Transmission/Differential (Front and Rear) Lubricants Replacement
53
Front Differential (Automatic Transmission)
54
Rear Differential (AWD Model)
55
Automatic Transmission Fluid Replacement
56
Tightening Torque
56
Brake Fluid Replacement
57
Disc Brake Pads and Discs/Front and Rear Axle Boots Maintenance
59
Brake Linings and Drums Maintenance
61
Rear Drum Brake Inspection
61
Parking Brake Maintenance
62
Rear Drum Brake Adjustment
63
Parking Brake Adjustment
63
Brake Line Inspection
64
Service Brake Checking
64
Parking Brake System Maintenance
66
Brake Servo System Maintenance
66
Mechanical Clutch Type Inspection and Adjustment
67
Clutch and Hill - Holder System Maintenance
67
Hill-Holder Inspection and Adjustment
68
Hydraulic Clutch Type Inspection and Adjustment
69
Steering and Suspension System Maintenance
70
Steering Wheel Inspection
70
Steering Shaft Joint Inspection
71
Gearbox Inspection
71
Tie-Rod Inspection
72
Power Steering Fluid Level Inspection
72
Power Steering Fluid for Leaks Inspection
73
Hoses of Oil Pump for Damage Inspection
73
Inspection of Power Steering Pipes for Damage
73
Gearbox Boots Inspection
74
Fitting Bolts and Nuts Inspection
74
Suspension System Inspection
74
Front Suspension Alignment
76
Rear Suspension Alignment
76
Oil Leakage of Strut CP Check
76
Tightness of Bolts and Nuts
77
Damage to Suspension Parts Check
78
Front and Rear Wheel Bearing Lubricant Maintenance
79
Front Wheel Bearing Inspection
79
Rear Wheel Bearing Inspection
80
Valve Clearance Maintenance
81
Valve Clearance Inspection
81
Emission Control System and Vacuum Fitting
82
2000 CC Turbo Model ECS Diagram
83
Turbo Model ECS
85
Three-Way Catalyst
85
Alf Control System
86
Ignition Control System
86
Evaporative Emission Control System - General Information
87
Fuel Cut Valve
88
Fuel Cap
89
Unleaded Gasoline Spec. Vehicles
89
Leaded Gasoline Spec. Vehicles
89
Canister
90
Purge Control Solenoid Valve
91
Two-Way Valve
91
Engine (DOHC)
94
Engine (DOHC) - General Information
95
Timing Belt
96
Belt Tensioner Adjuster
97
Belt Cover
98
Camshaft
99
Cylinder Head
100
Cylinder Block
101
Crankshaft
101
Piston
102
Engine Cooling System
103
Engine Cooling System - General Information
104
Cooling Lines
104
Water Pump Mechanism
105
Water Pump Diagram (Non-Turbo Model)
105
Water Pump Diagram (Turbo Model)
106
Mechanical Seal
106
Engine Cooling System
106
Thermostat
107
Radiator Fan
108
Radiator Fan Function (Without A/C Model)
109
Radiator Fan Function (with A/C Model)
110
Exhaust System - General Information
111
Exhaust System Diagram (Turbo Model)
112
Fuel Injection System (Turbo Model)
114
Table of Contents
114
Fuel Injection System (Turbo Model) - General Information
115
Air Line
116
Mass Air Flow Sensor
116
Throttle Body
116
Throttle Position Sensor
117
Idle Air Control Solenoid Valve
118
Fuel Line
119
Pressure Regulator
120
Fuel Injector
120
Turbocharger System
121
Turbocharger Unit
122
Lubrication of Turbocharger
123
Cooling of Turbocharger
123
Regulation of Supercharging Pressure
124
Basic Function of the Wastegate Valve
124
Concept of the Wastegate Valve Control
125
Intercooler
126
Wastegate Control Solenoid Valve
126
Pressure Sensor
127
Pressure Sources Switching Solenoid Valve
127
Air By-Pass Valve
128
Sensor and Switch
129
Oxygen Sensor
129
Engine Coolant Temperature Sensor
131
Crankshaft Positioning Sensor
131
Camshaft Position Sensor
132
Knock Sensor
133
Vehicle Speed Sensor
133
Control System
134
Input and Output Signals
134
Fuel Injection Control
135
Fuel Injection Characteristics
135
Correction Coefficients
136
Air-Fuel Ratio Coefficient
136
Start Increment Coefficient
136
Engine Coolant Temperature Increment Coefficient
137
After-Start Increment Coefficient
137
Full Increment Coefficient
138
Acceleration Increment Coefficient
138
Air-Fuel Ratio Feedback Coefficient "Alpha"
139
Learning Control System
139
Ignition System Control
140
Idle Air Control
142
Canister Purge Control
142
Radiator Fan Control
143
Fuel Pump Control
143
A/C Cut Control
144
Power Supply Control
144
On-Board Diagnosis System
145
Function of On-Board Diagnosis
145
Relationship between Modes and Connectors
145
Basic Operation of On-Board Diagnosis System
146
Fail-Safe Function
146
Trouble Codes and Fail-Safe Operation
147
Fuel System - Turbo Model
148
Fuel Pump
150
Fuel Filter
151
Jet Pump (Turbo Model)
152
Supplemental Restraint System "Airbag"
154
Power Supply Pre-Inspection
154
Caps and Plugs Pre-Inspection
154
Intake Manifold Vacuum Pressure Pre-Inspection
155
Fuel Pressure Pre-Inspection
155
Engine Grounding Pre-Inspection
155
Electrical Unit Location
156
Sensor and Solenoid Valve Diagram
156
Module and Relay Diagram
159
Schematic - MT Vehicles
161
Schematic - at Vehicles
162
Control Module 110 Signal
163
Diagnostic Chart for On-Board Diagnostic System
165
Basic Diagnostic Procedure
165
Trouble Code - How to Read
166
List of Trouble Codes
167
Neutral Position Switch
167
Park/Neutral Position Switch (AT)
167
Read Memory Mode
168
D-Check Mode
169
Clear Memory Mode
170
Diagnostics Chart for Engine Starting Failure
171
Control Unit Power Supply and Ground Line
172
Check Main Relay
173
Check Power Supply Circuit of ECM
173
Check Ground Circuit of ECM
173
Crankshaft Position Sensor Circuit
174
Camshaft Position Sensor Circuit
175
Ignition Control System - Chart
176
LHD Diagram
177
RHD Diagram
177
Check Ignition System for Sparks
178
Check each Spark Plug Cord
178
Check Power Supply Circuit for Ignition
178
Check Ignition Coil
178
Check Harness Connector between Ignitor and Ignition Coil
179
Check Input Signal for Ignitor
179
Check Harness Connector of Ignitor Ground Circuit
179
Check Harness Connector between ECM and Ignitor
179
Fuel Pump Circuit Diagnostic Chart
181
Check Operating Sound of Fuel Pump
183
Check Ground Circuit of Fuel Pump
183
Check Power Supply to Fuel Pump/Check Fuel Pump Relay
183
Check Harness Connector between Fuel Pump and Fuel Pump Relay
183
Check Harness Connector between ECM and Fuel Pump Relay
184
With Immobillser
184
Without Immobiliser
184
2: with Immobiliser
184
Fuel Injector Circuit Diagnostic Chart
185
Check Operation of each Fuel Injector
187
Check Power Supply of Fuel Injector
187
Check each Fuel Injector
187
Check Harness Connector between ECM and each Fuel Injector
187
Diagnostics Chart with Trouble Code
188
Trouble Codes Table
188
Crankshaft Position Sensor Diagnosis
189
Check Input Signal for ECM
191
Check Harness Connector between ECM and Crankshaft Position Sensor
191
Check Crankshaft Position Sensor
192
Without Immobiliser
192
Starter Switch Diagnosis
193
Check Operation of Starter Motor/Check Input Signal for ECM
195
Check Harness Connector between ECM and Ignition Switch
195
Camshaft Position Sensor Diagnosis
196
Check Harness Connector between ECM and Camshaft Position Sensor
198
Check Camshaft Position Sensor
199
Engine Coolant Temperature Sensor Diagnosis
200
Check Engine Coolant Temperature Sensor
202
Check Harness Connector between ECM and Engine Coolant Temp. Sensor
202
Knock Sensor Diagnosis
203
Input Signal for ECM
205
Check Knock Sensor
205
Check Harness Connection between ECM and Knock Sensor
205
Mass Air Flow Sensor Diagnosis
206
Check Power Supply to Mass Air Flow Sensor
208
Check Harness Connector between ECM and Mass Air Flow Sensor
208
Idle Air Control Solenoid Valve Diagnosis
209
Check Idle Air Control Solenoid Valve
210
Check Power Supply Line to Idle Air Control Solenoid Valve
210
Off
210
Throttle Position Sensor Diagnosis
211
Check Harness Connector between ECM and Throttle Position Sensor
213
Check and Adjust Throttle Position Sensor
214
Oxygen Sensor Diagnosis
215
Check Harness Connector between ECM and Oxygen Sensor
217
Check Oxygen Sensor Heater Circuit
217
Check Oxygen Sensor
217
Vehicle Speed Sensor 2 Diagnosis
218
Check Harness Connector between ECM and Vehicle Speed Sensor 2
220
Check Ground Circuit of Vehicle Speed Sensor 2
220
Check Power Supply Circuit of Vehicle Speed Sensor 2
221
Torque Control Signal Diagnosis
222
Check Harness Connector between ECM and TCM
223
Wastegate Control Solenoid Valve Diagnosis
224
Check Wastegate Control Solenoid Valve
225
Check Power Supply Circuit of Wastegate Control Solenoid Valve
225
Pressure Sensor/Pressure Sources Switching Solenoid Valve Diagnosis
226
Check Input and Output Signals on ECM
228
Check Rubber Hose to Contact Intake Manifold Pressure
228
Check Pressure Sensor
228
Check Pressure Sources Switching Solenoid Valve
228
Check Harness Connector between ECM and Pressure Sensor
229
Check Harness Connector between Ecm/Pressure Sources Switching Valve
229
Check Power Supply to Pressure Sources Switching Solenoid Valve
229
Neutral Position Switch (MT Vehicle) Diagnosis
230
Check Neutral Position Switch
231
Check Harness Connector between ECM and Neutral Position Switch
231
Park/Neutral Position Switch (AT) Diagnosis
232
Check Harness Connector between ECM and Inhibitor Switch
233
Check Inhibitor Switch Ground Circuit
233
Clutch Outline
235
Clutch Operation
236
Hydraulic Application Type
237
Manual Transmission and Differential
238
Reverse Check Mechanism Construction
238
Reverse Check Mechanism Operation
239
Center Differential Construction
242
Mechanism of Viscous Coupling
243
Torque Characteristics
243
"Hump" Phenomenon
244
Center Differential Function
244
Center Differential During Normal Driving
244
Central Differential During Turns at Low Speeds
245
Acceleration During Standing Starts on a Low Road
245
Driving on Rough Roads
246
AWD System
247
T-TVPE (Turbo Model)
247
Limited Slip Differential (LSD)
248
Limited Slip Differential (LSD) Operation
249
When Right and Left Wheels Turn at Equal Speed
249
When Right and Left Wheels Turn at Different Speeds
250
Service Procedures for LSD
250
Front Suspension Outline
251
Rear Suspension Outline
252
Wheels and Axles
253
Front Axle - General Information
253
Front Drive Shaft
254
AWD Turbo Model
255
Rear Drive Shaft
256
Steering System
257
Tilt Steering Column/Tilt Mechanism
257
Imbedded Ball Type Energy-Absorbing Mechanism
257
Vehicles Without Air Bag
257
Steering Support Beam
258
Vehicles with Airbag
258
Power Steering System
259
Hydraulic System
259
Gearbox Assembly
260
Power Cylinder
260
Control Valve
261
Power Steering System Operating Principle
263
When Steering Force Is Applied
264
Oil Pump and Tank
265
Vane Pump
266
Flow Control Valve
266
Brakes
271
Disc Brake
271
Pad Wear Indicator
271
Friction Material of Brake Pads
271
Master Cylinder
272
Brake Fluid Level Indicator
272
Brake Booster
273
Brake Booster "Off"
273
Brake Booster "On"
274
Brake Booster under Medium Load
274
Brake Booster under Full-Load Conditions
275
Brake Booster Released
275
Brake Booster with no Vacuum
276
Proportioning Valve - Operation During Normal Conditions
277
Proportioning Valve - Operation in Case of Circuit Failure
278
Failure of Primary Circuit
278
Failure of Secondary Circuit
278
Proportioning Valve (W/Abs Models): Operation During Normal Conditions
279
Anti-Lock Brake System (ABS)
281
Functions of Sensors and Actuators
282
Theory of ABS Control
284
ABS Sensor
285
ABS Control Module (ABSCM)
285
Select Monitor Associated Functions
285
Indication Functions
285
ABS Control Cycle Curves
286
ABS Warning Light
287
G Sensor
288
Hydraulic Control Unit (H/U)
289
During Normal Braking
290
Pressure "Decrease" Action with ABS in Operation
291
Pressure "Hold" Action with ABS in Operation
292
Pressure "Increase" Action with ABS in Operation
293
Parking Brake (Rear Disc Brake)
294
Parking Brake Operation
295
Set Parking Brake
295
Release Parking Brake
295
Parking Brake (Rear Drum Brake)
296
Brakes Diagnostics
297
Supplemental Restraint System "Airbag" - Pre-Inspection
298
Electrical Inspection/Warning Light Illumination Pattern
299
Pre-Inspection
299
Electrical Components Location (Brakes)
300
Schematic (Brakes)
302
Control Module I/O Signal
303
I/O Signal Voltage
303
I/O Signal Diagram
305
Diagnostics Chart for O N-Board Diagnosis System
306
Check List for Interview
307
Inspection Mode
310
Trouble Codes/Calling up a Trouble Code
310
Clearing Memory
311
Diagnostics Chart for ABS Warning Light Circuit and Circuit Failure
312
ABS Warning Light Does Not Come on - Diagnosis
312
Diagnostics C H a Rt for ABS war N I N G L I G Ht C I Rc U I T and Diagnosis C I Rc U I T F a I L U
313
Check if Other Warning Lights Turn on
314
Check ABS Warning Light Bulb
314
Check Wiring Harness
314
ABS Warning Light Does Not Go off - Diagnosis
316
Check Installation of ABSCM Connector
318
Check Generator
318
Check Battery Terminal
318
Check Power Supply of ABSCM
318
Check Ground Circuit of ABSCM
319
Check Relay Box
319
Check Contact Point of Valve Relay
320
Check Hydraulic Control Unit
321
Check Diagnosis Terminal
321
Check Diagnosis Line
321
Check Poor Contact in ABSCM Connector
322
Trouble Code Does Not Appear - Diagnosis
323
Check Diagnosis Teminal/Check Diagnosis Line
325
Diagnostics Chart with Trouble Code by ABS Warning Light
326
Abnormal ABS Sensor (Open Circuit or Input Voltage too High) Diagnosis
327
Check ABS Sensor
329
Check Battery Short of ABS Sensor
329
Check Harness/Connector between ABSCM and ABS Sensor
330
Check Battery Short of Harness
331
Check Installation of ABS Sensor
331
Check Installation of Tone Wheel
332
Chech ABS Sensor Gap
332
Check Hub Runout
332
Check Poor Contact in Connectors
332
Check ABSCM
333
Check any Other Trouble Codes Appearance
333
Abnormal ABS Sensor (Abnormal ABS Sensor Signal) - Diagnosis
334
Check ABS Sensor Gap
336
Check Oscilloscope
336
Check ABS Sensor Signal
337
Check Contamination of ABS Sensor or Tone Wheel
338
Check Damage of ABS Sensor or Tone Wheel
338
Check Resistance of ABS Sensor
339
Check Ground Short of ABS Sensor
339
Check Ground Short of Harness
340
Check Sources of Signal Noise
341
Check Shield Circuit
341
Abnormal ABS Sensor Signal (any on of Four) - Diagnosis
344
Check if the Wheels Have Turned Freely for a Long Time
346
Check Tire Specifications
346
Check Wear of Tire/Check Tire Pressure
346
Check Installation of ABS Sensor/Of Tone Wheel
346
Check Contamination of ABS Sensor of Tone Wheel
349
Diagnos Tics Chart with Troubl E Code B y ABS Warnin G Light
349
Abnormal Inlet Solenoid Valve Circuit(S) in Hydraulic Unit - Diagnosis
350
Check Resistance of Solenoid Valve
351
Check Ground Short of Solenoid Valve
351
Check Battery Short of Solenoid Valve
352
Check Harness/Connector between ABSCM and Hydraulic Unit
354
Abnormal Outlet Solenoid Valve Circuit(S) in Hydraulic Unit: Diagnosis
356
Abnormal ABS Control Module - Diagnosis
362
Source Voltage Is Low - Diagnosis
364
Check Input Voltage of ABSCM
366
A Combinaton of at Control Abnormal - Diagnosis
368
Check Specifications of the ABSCM
370
Check TCM
371
Check at
371
Check Open Circuit of Harness
372
Abnormal G Sensor Power Supply Voltage - Diagnosis
373
Check Sensor
374
Check Ground Short of G Sensor
375
Check Short Circuit in Harness between ABSCM and G Sensor
375
Abnormal Valve Relay - Diagnosis
378
Check Resistance of Valve Relay
379
Check Power Supply for Valve Relay
380
Check Ground Circuit of Relay Box
381
Check Open Circuit/Ground Short in Power Supply Circuit of Relay Box
381
Check Open Circuit in Contact Point Circuit of Relay Box
382
Check Ground Short in Contact Point Circuit of Relay Box
382
Check Battery Short in Circuit Point Circuit of Relay Box
382
Check Battery Short in Contact Point Circuit of Relay Box
383
Check Diode of Relay Box
383
Check Open Circuit in Ground Circuit of Relay Box
383
Check Battery Short in Ground Circuit of Relay Box
384
Check Open Circuit in Control Circuit of Relay Box
384
Check Ground Short in Control Circuit of Relay Box
385
Check Battery Short in Control Circuit of Relay Box
385
Check Open Circuit in Control System Harness of Valve Relay
386
Check Ground Short in Control System Harness of Valve Relay
386
Check Battery Short in Control System Harness of Valve Relay
387
Check Resistance of Inlet Solenoid Valve
388
Check Resistance of Outlet Solenoid Valve
388
Check Ground Short or Harness
390

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Subaru 1997 Impreza Service Manual

Subaru 1997 Impreza Service Manual (616 pages)

Brand: Subaru | Category: Automobile | Size: 177.62 MB

Table of Contents

Specifications
3
Dimensions
3
Weight
7
General Precautions
8
Before Starting Service
8
While Working
8
Treatment for Used Engine Oil
8
Environmental Protection Precautions
9
Handling an at Vehicle
9
Full-Time AWD MT Models
9
Speedometer Test
9
Brake Test
10
Chassis Dynamometer Test
10
Tire Balance Test
10
Towing
11
Non-Turbo Full Time AWD at Models
12
Turbo at Models
13
Precaution for Supplemental Restraint System (Airbag)
16
Identification Number and Label Locations
17
Recommended Fuel, Lubricants, Sealants and Adhesives
19
Fuel
19
Fuels Containing Alcohol
19
Lubricants
20
Fluid
21
Coolant
21
Sealants
22
Adhesives
22
Tightening Torque of Standard Bolts and Nuts
23
Lifting, Towing and Tie-Down Points
24
Garage Jack
24
Pantograph Jack, Safety Stand and Lift
25
Support Locations
26
Pantograph Jack
26
Lift
26
Safety Stand
26
Towing and Tie-Down Hooks
27
Front Hood Stay Installation
28
At the Check and General Maintenance
28
When Wider Hood Opening Is Necessary
28
Schedule of Inspection and Maintenance Servies
29
Drive Belts Inspection
31
Drive Belts Replacement
31
Front Side Belt
32
Rear Side Belt
32
Camshaft Drive Belt (Timing Belt) Replacement
33
Camshaft Drive Belt (Timing Belt) Installation
36
Camshaft Drive Belt (Timing Belt) Inspection
36
Engine Oil Replacement
38
Engine Oil Inspection
40
Engine Oil Filter Replacement
41
Replace Engine Coolant and Inspect Cooling System, Hoses and Connections
42
Replacement of Coolant
42
Relationship of Subaru Coolant Concentration and Freezing Temperature
44
Procedure to Adjust the Concentration of the Coolant
45
Replace Fuel Filter and Inspect Fuel System, Lines and Connections
47
Fuel Piping and Connections
48
Air Cleaner Element Replacement
49
Spark Plugs Replacement
50
Idle Mixture Inspection and Adjustment
51
Transmission/Differential Lubricants Replacement
53
Front Differential (Automatic Transmission)
54
Rear Differential (AWD Model)
55
Automatic Transmission Fluid Replacement
56
Brake Fluid Replacement
57
Disc Brake Pads and Discs/Front and Rear Axle Boots and Axle Shaft Joint Portions
59
Disc Brake Pad and Disc Inspection
59
Front and Rear Axle Boots
60
Brake Lining and Drums
61
Rear Drum Brake Inspection
61
Parking Brake
62
Rear Drum Brake Adjustment
63
Parking Brake Adjustment
63
Brake Line Inspection
64
Service Brake Checking
64
Parking Brake System
66
Brake Servo System
66
Mechanical Clutch Type Inspection and Adjustment
67
Hill-Holder
68
Hydraulic Clutch Type
69
Steering and Suspension System
70
Steering Wheel Inspection
70
Steering Shaft Joint
71
Gearbox
71
Tie-Rod
72
Power Steering Fluid Level
72
Power Steering Fluid for Leaks
73
Hoses of Oil Pump for Damages
73
Power Steering Pipes for Damage
73
Gearbox Boots
74
Fitting Bolts and Nuts
74
Suspension System
74
Front and Rear Wheel Bearing Lubricant Inspection
79
Front Wheel Bearing
79
Rear Wheel Bearing
80
Valve Clearance Inspection
81
Emission Control System and Vacuum Fitting
82
System Application
82
Three-Way Catalyst
85
A/F Control System
86
Ignition Control System
86
Evaporative Emission Control System
87
Fuel Cut Valve
88
Fuel Cap
89
Canister
90
Purge Control Solenoid Valve
91
Two-Way Valve
91
Engine Section
93
Engine (DOHC)
94
Engine (DOHC) General
95
Timing Belt
96
Belt Tensioner Adjuster
97
Belt Cover
98
Camshaft
99
Cylinder Head
100
Cylinder Block
101
Crankshaft
101
Piston
102
Engine Cooling System
103
Engine Cooling System General
104
Cooling Lines
104
Water Pump Mechanism
105
Mechanical Seal
106
Thermostat
107
Radiator Fan Description
108
Engine Cooling System Function
109
Fuel Injection System (Turbo Model)
113
Air Line General
116
Mass Air Flow Sensor
116
Throttle Body
116
Throttle Position Sensor
117
Idle Air Control Solenoid Valve
118
Fuel Line General
119
Pressure Regulator
120
Fuel Injector
120
Turbocharger System
121
Turbocharger Unit
122
Lubrication of Turbocharger
123
Cooling of Turbocharger
123
Regulation of Supercharging Pressure
124
Basic Function of the Wastegate Valve
124
Concept of the Wastegate Valve Control
125
Intercooler
126
Wastegate Control Solenoid Valve
126
Pressure Sensor
127
Pressure Sources Switching Solenoid Valve
127
Air By-Pass Valve
128
Sensor and Switch
129
Oxygen Sensor
129
Engine Coolant Temperature Sensor
131
Crankshaft Position Sensor
131
Camshaft Position Sensor
132
Knock Sensor
133
Vehicle Speed Sensor
133
Control System General
134
Control System Input and Output Signals
134
Fuel Injection Control
135
Fuel Injection Characteristics
135
Correction Coefficients
136
Air-Fuel Ratio Feedback Coefficient "Alpha"
139
Learning Control System
139
Ignition System Control
140
Idle Air Control
142
Canister Purge Control
142
Radiator Fan Control
143
Fuel Pump Control
143
A/C Cut Control
144
Power Supply Control
144
On-Board Diagnosis System
145
Function of On-Board Diagnosis
145
Basic Operation of On-Board Diagnosis System
146
Fail-Safe Function
146
Trouble Codes and Fail-Safe Operation
147
Fuel Pump
150
Fuel Filter
151
Fuel Injection System
153
Supplemental Restraint System "Airbag"
154
Pre-Inspection
154
Power Supply
154
Caps and Plugs
154
Intake Manifold Vacuum Pressure
155
Fuel Pressure
155
Engine Grounding
155
Electrical Unit Location
156
Sensor and Solenoid Valve
156
Module and Relay
159
Schematic
161
Control Module I/O Signal
163
Diagnostics Chart for On-Board Diagnosis System
165
Basic Diagnostics Procedure
165
How to Read Trouble Code
166
List of Trouble Code
167
Read Memory Mode
168
D-Check Mode
169
Clear Memory Mode
170
Diagnostics Chart for Engine Starting Failure
171
Basic Diagnostics Chart
171
Control Unit Power Supply and Ground Line
172
Check Main Relay
173
Check Power Supply Circuit of ECM
173
Check Ground Circuit of ECM
173
Crankshaft Position Sensor Circuit
174
Camshaft Position Sensor Circuit
175
Check Ignition System for Sparks
178
Check each Spark Plug Cord
178
Check Power Supply Circuit for Ignition Coil
178
Check Ignition Coil
178
Check Harness Connector between Ignitor and Ignition Coil
179
Check Input Signal for Ignitor
179
Check Harness Connector of Ignitor Ground Circuit
179
Check Harness Connector between ECM and Ignitor
179
Fuel Pump Circuit
181
Check Operating Sound of Fuel Pump
183
Check Ground Circuit of Fuel Pump
183
Check Power Supply to Fuel Pump
183
Check Harness Connector between Fuel Pump and Fuel Pump Relay
183
Check Harness Connector between ECM and Fuel Pump Relay
184
Fuel Injector Circuit
185
Check Operation of each Fuel Injector
187
Check Power Supply to Fuel Injector
187
Check each Fuel Injector
187
Check Harness Connector between ECM and each Fuel Injector
187
Check Input Signal for ECM.
191
Check Harness Connector between ECM and Crankshaft Position Sensor
191
Check Crankshaft Position Sensor
192
Starter Switch
193
Check Operation of Starter Motor
195
Check Harness Connector between ECM and Ignition Switch
195
Check Harness Connector between ECM and Camshaft Position Sensor
198
Check Camshaft Position Sensor
199
Engine Coolant Temperature Sensor Trouble Codes
200
Check Engine Coolant Temperature Sensor
202
Check Harness Connector between ECM and Engine Coolant Temperature Sensor
202
Trouble Code (22)
203
Knock Sensor Diagnosis
203
Input Signal for ECM
205
Check Knock Sensor
205
Check Harness Connector between ECM and Knock Sensor
205
Trouble Code (23)
206
Mass Air Flow Sensor Diagnosis
206
Check Input Signal for ECM
208
Check Power Supply to Mass Air Flow Sensor
208
Check Harness Connector between ECM and Mass Air Flow Sensor
208
Trouble Code (24)
209
Idle Air Control Solenoid Valve Diagnosis
209
Check Idle Air Control Solenoid Valve
210
Check Power Supply Line to Idle Air Control Solenoid Valve
210
Trouble Code (31)
211
Throttle Position Sensor Diagnosis
211
Check Harness Connector between ECM and Throttle Position Sensor
213
Check and Adjust Throttle Position Sensor
214
Trouble Code (32)
215
Check Harness Connector between ECM and Oxygen Sensor
217
Check Oxygen Sensor Heater Circuit
217
Check Oxygen Sensor
217
Trouble Code (33)
218
Vehicle Speed Sensor Diagnosis
218
Check Ground Circuit of Vehicle Speed Sensor 2
220
Check Power Supply Circuit of Vehicle Speed Sensor 2
221
Trouble Code (38)
222
Torque Control Signal Diagnosis
222
Check Output Signal from ECM
223
Check Harness Connector between ECM and TCM
223
Trouble Code (44)
224
Wastegate Control Solenoid Valve Diagnosis
224
Trouble Code (45)
226
Pressure Sensor, Pressure Sources Switching Solenoid Valve Diagnosis
226
Check Input and Output Signals on ECM
228
Check Rubber Hose to Contact Intake Manifold Pressure
228
Check Pressure Sensor
228
Check Pressure Sources Switching Solenoid Valve
228
Check Harness Connector between ECM and Pressure Sensor
229
Check Harness Connector between ECM and Pressure Sources Switching Solenoid Valve
229
Check Power Supply to Pressure Sources Switching Solenoid Valve
229
Trouble Code (51)
230
Neutral Position Switch Diagnosis
230
Check Neutral Position Switch
231
Check Harness Connector between ECM and Neutral Position Switch
231
Park/Neutral Position Switch (AT) Diagnosis
232
Check Harness Connector between ECM and Inhibitor Switch
233
Check Inhibitor Switch Ground Circuit
233
Clutch Outline
235
Clutch Operation
236
Hydraulic Application Type
237
Manual Transmission and Differential
238
Reverse Check Mechanism Construction
238
Reverse Check Mechanism Operation
239
When 5Th and Reverse Side Is Selected
239
When Shift Is Made to 5Th
240
When Shift Is Made from 5Th to Reverse
240
When Shift Is Made to Reverse
241
Center Differential Construction
242
Center Differential Mechanism of Viscous Coupling
243
Torque Characteristics
243
"Hump" Phenomenon
244
During Turns at Low Speeds
245
Acceleration During Standing Starts on a "Low" Road
245
Driving on Rough Roads
246
AWD System T-Type
247
Limited Slip Differential (LSD)
248
AWD System Operation
249
When Right and Left Wheels Turn at Equal Speed
249
When Right and Left Wheels Turn at Different Speeds
250
Service Procedures for LSD
250
Front Suspension
251
Rear Suspension
252
Front Axle General
253
Front Drive Shaft
254
AWD Turbo Model
255
Rear Drive Shaft
256
Tilt Steering Column
257
Tilt Mechanism
257
Imbedded Ball Type Energy-Absorbing Mechanism
257
Vehicle Without Airbag
257
Vehicles with Airbag
258
Steering Support Beam
258
Power Steering System
259
Hydraulic System
259
Gearbox Assembly
260
Power Cylinder
260
Control Valve
261
Oil Pump & Tank
265
Vane Pump
266
Flow Control Valve
266
Disc Brake
271
Pad Wear Indicator
271
Frictional Material of Brake Pads
271
Master Cylinder
272
Brake Fluid Level Indicator
272
Brake Booster
273
Brake Booster "Off"
273
Brake Booster "ON"
274
Brake Booster under Medium Load
274
Brake Booster under Full-Load Conditions
275
Brake Booster Released
275
Brake Booster with no Vacuum
276
Proportioning Valve
277
Operation During Normal Conditions
277
Operation in Case of Circuit Failure
278
Failure of Primary Circuit
278
Failure of Secondary Circuit
278
Proportioning Valve (with ABS Models)
279
Anti-Lock Brake System (ABS) Feature
281
Functions of Sensors and Actuators
282
Theory of ABS Control
284
ABS Sensor
285
ABS Control Module (ABSCM)
285
ABS Control Cycle Curves
286
ABS Warning Light
287
G Sensor
288
Hydraulic Control Unit (H/U)
289
During Normal Braking
290
Pressure "Decrease" Action with ABS in Operation
291
Pressure "Hold" Action with ABS in Operation
292
Pressure "Increase" Action with ABS in Operation
293
Parking Brake (Rear Disc Brake)
294
Set Parking Brake
295
Release Parking Brake
295
Parking Brake (Rear Drum Brake)
296
Brakes
297
Mechanical Inspection
298
Warning Light Illumination Patterm
299
Electrical Components Location
300
Brakes Schematic
302
I/O Signal Voltage
303
I/O Signal Diagram
305
Check List for Interview
307
Inspection Mode
310
Trouble Codes
310
Calling up a Trouble Code
310
Clearing Memory
311
Diagnostics Chart for ABS Warning Light Circuit and Diagnosis Circuit Failure
312
ABS Warning Light Does Not Come on
312
Check if Other Warning Lights Turn on
314
Check ABS Warning Light Bulb
314
Check Wiring Harness
314
Check Battery Short of Relay Box
315
Check Poor Contact in Connectors
315
ABS Warning Light Does Not Go off
316
Check Installation of ABSCM Connector
318
Check Generator
318
Check Battery Terminal
318
Check Ground Circuit of ABSCM.
319
Check Relay Box
319
Check Contact Point of Valve Relay
320
Check Hydraulic Control Unit
321
Check Diagnosis Terminal
321
Check Diagnosis Line
321
Check Poor Contact in ABSCM Connector
322
Trouble Code Does Not Appear
323
Diagnostics Chart with Trouble Code by ABS Warning Light
326
Trouble Code 21 (Front RH)
327
Trouble Code 23 (Front LH)
327
Trouble Code 25 (Rear RH)
327
Trouble 27 (Rear LH)
327
Check ABS Sensor
329
Check Battery Short of ABS Sensor
329
Check Harness/Connector between ABSCM and ABS Sensor
330
Check Battery Short of Harness
331
Check Installation of ABS Sensor
331
Check Installation of Tone Wheel
332
Check ABS Sensor Gap
332
Check Hub Runout
332
Check ABSCM
333
Check any Other Trouble Codes Appearance
333
Trouble Code 22 (Front RH)
334
Trouble Code 24 (Front LH)
334
Trouble Code 26 (Rear RH)
334
Trouble Code 28 (Rear LH)
334
Check ABS Sensor Signal
337
Check Contamination of ABS Sensor of One Wheel
338
Check Damage of ABS Sensor or Tone Wheel
338

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