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Table Of Contents - Subaru 1997-1998 Impreza Service Manual

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Table of Contents

Specifications3

Electrical Data4

Transmission Data4

Suspension Data6

Brake Data/Tire Data6

General Information8

General Precautions8

Treatment For Used Engine Oil8

Health Protection Precautions8

Environmental Protection Precautions9

Safe Handling Of At Vehicle9

Full-Time Awd Mt Models9

Speedometer Test9

Chassis Dynamometer Test10

Tire Balance Test (On-Car Machine)10

Precaution For Supplemental Restraint System (Airbag)16

Identification Number And Label Locations17

Recommended Fuel, Lubricants, Sealants And Adhesives19

Fuels Containing Alcohol19

Tightening Torque Of Standard Bolts And Nuts23

Lifting, Towing And Tie-Down Points24

Pantograph Jack, Safety Stand And Lift25

Towing And Tie-Down Hooks27

Front Hood Stay Installation28

Periodic Maintenance Services29

Drive Belts (Except Camshaft) Maintenance31

Camshaft Drive Belt (Timing Belt) Maintenance33

Engine Oil Replacement38

Engine Oil Inspection40

Engine Oil Filter Maintenance41

Replace Engine Coolant And Inspect Cooling System42

Relationship Of Subaru Coolant Concentration And Freezing Temperature44

To Adjust The Concentration Of Coolant45

Cooling System Inspection45

Replace Fuel Filter And Inspect Fuel System, Lines And Connections47

Air Cleaner Element Maintenance49

Spark Plugs Maintenance50

Idle Mixture (Except For Catalyst Model) Inspection And Adjustment51

Transmission/Differential (Front And Rear) Lubricants Replacement53

Front Differential (Automatic Transmission)54

Rear Differential (Awd Model)55

Automatic Transmission Fluid Replacement56

Tightening Torque56

Brake Fluid Replacement57

Disc Brake Pads And Discs/Front And Rear Axle Boots Maintenance59

Brake Linings And Drums Maintenance61

Rear Drum Brake Inspection61

Parking Brake Maintenance62

Rear Drum Brake Adjustment63

Parking Brake Adjustment63

Brake Line Inspection64

Service Brake Checking64

Parking Brake System Maintenance66

Brake Servo System Maintenance66

Mechanical Clutch Type Inspection And Adjustment67

Clutch And Hill - Holder System Maintenance67

Hill-Holder Inspection And Adjustment68

Hydraulic Clutch Type Inspection And Adjustment69

Steering And Suspension System Maintenance70

Steering Wheel Inspection70

Steering Shaft Joint Inspection71

Gearbox Inspection71

Tie-Rod Inspection72

Power Steering Fluid Level Inspection72

Power Steering Fluid For Leaks Inspection73

Hoses Of Oil Pump For Damage Inspection73

Inspection Of Power Steering Pipes For Damage73

Gearbox Boots Inspection74

Fitting Bolts And Nuts Inspection74

Suspension System Inspection74

Front Suspension Alignment76

Rear Suspension Alignment76

Oil Leakage Of Strut Cp Check76

Tightness Of Bolts And Nuts77

Damage To Suspension Parts Check78

Front And Rear Wheel Bearing Lubricant Maintenance79

Front Wheel Bearing Inspection79

Rear Wheel Bearing Inspection80

Valve Clearance Maintenance81

Valve Clearance Inspection81

Emission Control System And Vacuum Fitting82

2000 Cc Turbo Model Ecs Diagram83

Turbo Model Ecs85

Three-Way Catalyst85

Alf Control System86

Ignition Control System86

Evaporative Emission Control System - General Information87

Fuel Cut Valve88

Unleaded Gasoline Spec. Vehicles89

Leaded Gasoline Spec. Vehicles89

Purge Control Solenoid Valve91

Two-Way Valve91

Engine (Dohc)94

Engine (Dohc) - General Information95

Belt Tensioner Adjuster97

Cylinder Head100

Cylinder Block101

Engine Cooling System103

Engine Cooling System - General Information104

Cooling Lines104

Water Pump Mechanism105

Water Pump Diagram (Non-Turbo Model)105

Water Pump Diagram (Turbo Model)106

Mechanical Seal106

Radiator Fan108

Radiator Fan Function (Without A/C Model)109

Radiator Fan Function (With A/C Model)110

Exhaust System - General Information111

Exhaust System Diagram (Turbo Model)112

Fuel Injection System (Turbo Model)114

Table Of Contents114

Fuel Injection System (Turbo Model) - General Information115

Mass Air Flow Sensor116

Throttle Body116

Throttle Position Sensor117

Idle Air Control Solenoid Valve118

Pressure Regulator120

Fuel Injector120

Turbocharger System121

Turbocharger Unit122

Lubrication Of Turbocharger123

Cooling Of Turbocharger123

Regulation Of Supercharging Pressure124

Basic Function Of The Wastegate Valve124

Concept Of The Wastegate Valve Control125

Wastegate Control Solenoid Valve126

Pressure Sensor127

Pressure Sources Switching Solenoid Valve127

Air By-Pass Valve128

Sensor And Switch129

Oxygen Sensor129

Engine Coolant Temperature Sensor131

Crankshaft Positioning Sensor131

Camshaft Position Sensor132

Knock Sensor133

Vehicle Speed Sensor133

Control System134

Input And Output Signals134

Fuel Injection Control135

Fuel Injection Characteristics135

Correction Coefficients136

Air-Fuel Ratio Coefficient136

Start Increment Coefficient136

Engine Coolant Temperature Increment Coefficient137

After-Start Increment Coefficient137

Full Increment Coefficient138

Acceleration Increment Coefficient138

Air-Fuel Ratio Feedback Coefficient "Alpha"139

Learning Control System139

Ignition System Control140

Idle Air Control142

Canister Purge Control142

Radiator Fan Control143

Fuel Pump Control143

A/C Cut Control144

Power Supply Control144

On-Board Diagnosis System145

Function Of On-Board Diagnosis145

Relationship Between Modes And Connectors145

Basic Operation Of On-Board Diagnosis System146

Fail-Safe Function146

Trouble Codes And Fail-Safe Operation147

Fuel System - Turbo Model148

Jet Pump (Turbo Model)152

Supplemental Restraint System "Airbag"154

Power Supply Pre-Inspection154

Caps And Plugs Pre-Inspection154

Intake Manifold Vacuum Pressure Pre-Inspection155

Fuel Pressure Pre-Inspection155

Engine Grounding Pre-Inspection155

Electrical Unit Location156

Sensor And Solenoid Valve Diagram156

Module And Relay Diagram159

Schematic - Mt Vehicles161

Schematic - At Vehicles162

Control Module 110 Signal163

Diagnostic Chart For On-Board Diagnostic System165

Basic Diagnostic Procedure165

Trouble Code - How To Read166

List Of Trouble Codes167

Neutral Position Switch167

Park/Neutral Position Switch (At)167

Read Memory Mode168

D-Check Mode169

Clear Memory Mode170

Diagnostics Chart For Engine Starting Failure171

Control Unit Power Supply And Ground Line172

Check Main Relay173

Check Power Supply Circuit Of Ecm173

Check Ground Circuit Of Ecm173

Crankshaft Position Sensor Circuit174

Camshaft Position Sensor Circuit175

Ignition Control System - Chart176

Check Ignition System For Sparks178

Check Each Spark Plug Cord178

Check Power Supply Circuit For Ignition178

Check Ignition Coil178

Check Harness Connector Between Ignitor And Ignition Coil179

Check Input Signal For Ignitor179

Check Harness Connector Of Ignitor Ground Circuit179

Check Harness Connector Between Ecm And Ignitor179

Fuel Pump Circuit Diagnostic Chart181

Check Operating Sound Of Fuel Pump183

Check Ground Circuit Of Fuel Pump183

Check Power Supply To Fuel Pump/Check Fuel Pump Relay183

Check Harness Connector Between Fuel Pump And Fuel Pump Relay183

Check Harness Connector Between Ecm And Fuel Pump Relay184

With Immobillser184

Without Immobiliser184

2: With Immobiliser184

Fuel Injector Circuit Diagnostic Chart185

Check Operation Of Each Fuel Injector187

Check Power Supply Of Fuel Injector187

Check Each Fuel Injector187

Check Harness Connector Between Ecm And Each Fuel Injector187

Diagnostics Chart With Trouble Code188

Trouble Codes Table188

Crankshaft Position Sensor Diagnosis189

Check Input Signal For Ecm191

Check Harness Connector Between Ecm And Crankshaft Position Sensor191

Check Crankshaft Position Sensor192

Starter Switch Diagnosis193

Check Operation Of Starter Motor/Check Input Signal For Ecm195

Check Harness Connector Between Ecm And Ignition Switch195

Camshaft Position Sensor Diagnosis196

Check Harness Connector Between Ecm And Camshaft Position Sensor198

Check Camshaft Position Sensor199

Engine Coolant Temperature Sensor Diagnosis200

Check Engine Coolant Temperature Sensor202

Check Harness Connector Between Ecm And Engine Coolant Temp. Sensor202

Knock Sensor Diagnosis203

Input Signal For Ecm205

Check Knock Sensor205

Check Harness Connection Between Ecm And Knock Sensor205

Mass Air Flow Sensor Diagnosis206

Check Power Supply To Mass Air Flow Sensor208

Check Harness Connector Between Ecm And Mass Air Flow Sensor208

Idle Air Control Solenoid Valve Diagnosis209

Check Idle Air Control Solenoid Valve210

Check Power Supply Line To Idle Air Control Solenoid Valve210

Off210

Throttle Position Sensor Diagnosis211

Check Harness Connector Between Ecm And Throttle Position Sensor213

Check And Adjust Throttle Position Sensor214

Oxygen Sensor Diagnosis215

Check Harness Connector Between Ecm And Oxygen Sensor217

Check Oxygen Sensor Heater Circuit217

Check Oxygen Sensor217

Vehicle Speed Sensor 2 Diagnosis218

Check Harness Connector Between Ecm And Vehicle Speed Sensor 2220

Check Ground Circuit Of Vehicle Speed Sensor 2220

Check Power Supply Circuit Of Vehicle Speed Sensor 2221

Torque Control Signal Diagnosis222

Check Harness Connector Between Ecm And Tcm223

Wastegate Control Solenoid Valve Diagnosis224

Check Wastegate Control Solenoid Valve225

Check Power Supply Circuit Of Wastegate Control Solenoid Valve225

Pressure Sensor/Pressure Sources Switching Solenoid Valve Diagnosis226

Check Input And Output Signals On Ecm228

Check Rubber Hose To Contact Intake Manifold Pressure228

Check Pressure Sensor228

Check Pressure Sources Switching Solenoid Valve228

Check Harness Connector Between Ecm And Pressure Sensor229

Check Harness Connector Between Ecm/Pressure Sources Switching Valve229

Check Power Supply To Pressure Sources Switching Solenoid Valve229

Neutral Position Switch (Mt Vehicle) Diagnosis230

Check Neutral Position Switch231

Check Harness Connector Between Ecm And Neutral Position Switch231

Park/Neutral Position Switch (At) Diagnosis232

Check Harness Connector Between Ecm And Inhibitor Switch233

Check Inhibitor Switch Ground Circuit233

Clutch Outline235

Clutch Operation236

Hydraulic Application Type237

Manual Transmission And Differential238

Reverse Check Mechanism Construction238

Reverse Check Mechanism Operation239

Center Differential Construction242

Mechanism Of Viscous Coupling243

Torque Characteristics243

"Hump" Phenomenon244

Center Differential Function244

Center Differential During Normal Driving244

Central Differential During Turns At Low Speeds245

Acceleration During Standing Starts On A Low Road245

Driving On Rough Roads246

T-Tvpe (Turbo Model)247

Limited Slip Differential (Lsd)248

Limited Slip Differential (Lsd) Operation249

When Right And Left Wheels Turn At Equal Speed249

When Right And Left Wheels Turn At Different Speeds250

Service Procedures For Lsd250

Front Suspension Outline251

Rear Suspension Outline252

Wheels And Axles253

Front Axle - General Information253

Front Drive Shaft254

Awd Turbo Model255

Rear Drive Shaft256

Steering System257

Tilt Steering Column/Tilt Mechanism257

Imbedded Ball Type Energy-Absorbing Mechanism257

Vehicles Without Air Bag257

Steering Support Beam258

Vehicles With Airbag258

Power Steering System259

Hydraulic System259

Gearbox Assembly260

Power Cylinder260

Control Valve261

Power Steering System Operating Principle263

When Steering Force Is Applied264

Oil Pump And Tank265

Flow Control Valve266

Pad Wear Indicator271

Friction Material Of Brake Pads271

Master Cylinder272

Brake Fluid Level Indicator272

Brake Booster273

Brake Booster "Off"273

Brake Booster "On"274

Brake Booster Under Medium Load274

Brake Booster Under Full-Load Conditions275

Brake Booster Released275

Brake Booster With No Vacuum276

Proportioning Valve - Operation During Normal Conditions277

Proportioning Valve - Operation In Case Of Circuit Failure278

Failure Of Primary Circuit278

Failure Of Secondary Circuit278

Proportioning Valve (W/Abs Models): Operation During Normal Conditions279

Anti-Lock Brake System (Abs)281

Functions Of Sensors And Actuators282

Theory Of Abs Control284

Abs Control Module (Abscm)285

Select Monitor Associated Functions285

Indication Functions285

Abs Control Cycle Curves286

Abs Warning Light287

Hydraulic Control Unit (H/U)289

During Normal Braking290

Pressure "Decrease" Action With Abs In Operation291

Pressure "Hold" Action With Abs In Operation292

Pressure "Increase" Action With Abs In Operation293

Parking Brake (Rear Disc Brake)294

Parking Brake Operation295

Set Parking Brake295

Release Parking Brake295

Parking Brake (Rear Drum Brake)296

Brakes Diagnostics297

Supplemental Restraint System "Airbag" - Pre-Inspection298

Electrical Inspection/Warning Light Illumination Pattern299

Pre-Inspection299

Electrical Components Location (Brakes)300

Schematic (Brakes)302

Control Module I/O Signal303

I/O Signal Voltage303

I/O Signal Diagram305

Diagnostics Chart For O N-Board Diagnosis System306

Check List For Interview307

Inspection Mode310

Trouble Codes/Calling Up A Trouble Code310

Clearing Memory311

Diagnostics Chart For Abs Warning Light Circuit And Circuit Failure312

Abs Warning Light Does Not Come On - Diagnosis312

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 U313

Check If Other Warning Lights Turn On314

Check Abs Warning Light Bulb314

Check Wiring Harness314

Abs Warning Light Does Not Go Off - Diagnosis316

Check Installation Of Abscm Connector318

Check Generator318

Check Battery Terminal318

Check Power Supply Of Abscm318

Check Ground Circuit Of Abscm319

Check Relay Box319

Check Contact Point Of Valve Relay320

Check Hydraulic Control Unit321

Check Diagnosis Terminal321

Check Diagnosis Line321

Check Poor Contact In Abscm Connector322

Trouble Code Does Not Appear - Diagnosis323

Check Diagnosis Teminal/Check Diagnosis Line325

Diagnostics Chart With Trouble Code By Abs Warning Light326

Abnormal Abs Sensor (Open Circuit Or Input Voltage Too High) Diagnosis327

Check Abs Sensor329

Check Battery Short Of Abs Sensor329

Check Harness/Connector Between Abscm And Abs Sensor330

Check Battery Short Of Harness331

Check Installation Of Abs Sensor331

Check Installation Of Tone Wheel332

Chech Abs Sensor Gap332

Check Hub Runout332

Check Poor Contact In Connectors332

Check Any Other Trouble Codes Appearance333

Abnormal Abs Sensor (Abnormal Abs Sensor Signal) - Diagnosis334

Check Abs Sensor Gap336

Check Oscilloscope336

Check Abs Sensor Signal337

Check Contamination Of Abs Sensor Or Tone Wheel338

Check Damage Of Abs Sensor Or Tone Wheel338

Check Resistance Of Abs Sensor339

Check Ground Short Of Abs Sensor339

Check Ground Short Of Harness340

Check Sources Of Signal Noise341

Check Shield Circuit341

Abnormal Abs Sensor Signal (Any On Of Four) - Diagnosis344

Check If The Wheels Have Turned Freely For A Long Time346

Check Tire Specifications346

Check Wear Of Tire/Check Tire Pressure346

Check Installation Of Abs Sensor/Of Tone Wheel346

Check Contamination Of Abs Sensor Of Tone Wheel349

Diagnos Tics Chart With Troubl E Code B Y Abs Warnin G Light349

Abnormal Inlet Solenoid Valve Circuit(S) In Hydraulic Unit - Diagnosis350

Check Resistance Of Solenoid Valve351

Check Ground Short Of Solenoid Valve351

Check Battery Short Of Solenoid Valve352

Check Harness/Connector Between Abscm And Hydraulic Unit354

Abnormal Outlet Solenoid Valve Circuit(S) In Hydraulic Unit: Diagnosis356

Abnormal Abs Control Module - Diagnosis362

Source Voltage Is Low - Diagnosis364

Check Input Voltage Of Abscm366

A Combinaton Of At Control Abnormal - Diagnosis368

Check Specifications Of The Abscm370

Check Open Circuit Of Harness372

Abnormal G Sensor Power Supply Voltage - Diagnosis373

Check Sensor374

Check Ground Short Of G Sensor375

Check Short Circuit In Harness Between Abscm And G Sensor375

Abnormal Valve Relay - Diagnosis378

Check Resistance Of Valve Relay379

Check Power Supply For Valve Relay380

Check Ground Circuit Of Relay Box381

Check Open Circuit/Ground Short In Power Supply Circuit Of Relay Box381

Check Open Circuit In Contact Point Circuit Of Relay Box382

Check Ground Short In Contact Point Circuit Of Relay Box382

Check Battery Short In Circuit Point Circuit Of Relay Box382

Check Battery Short In Contact Point Circuit Of Relay Box383

Check Diode Of Relay Box383

Check Open Circuit In Ground Circuit Of Relay Box383

Check Battery Short In Ground Circuit Of Relay Box384

Check Open Circuit In Control Circuit Of Relay Box384

Check Ground Short In Control Circuit Of Relay Box385

Check Battery Short In Control Circuit Of Relay Box385

Check Open Circuit In Control System Harness Of Valve Relay386

Check Ground Short In Control System Harness Of Valve Relay386

Check Battery Short In Control System Harness Of Valve Relay387

Check Resistance Of Inlet Solenoid Valve388

Check Resistance Of Outlet Solenoid Valve388

Check Ground Short Or Harness390

Abnormal Motor And/Or Motor Relay - Diagnosis393

Check Resistance Of Motor Relay394

Check Contact Point Of Motor Relay394

Check Short Of Motor Relay395

Check Input Voltage Of Relay Box395

Check Input Voltage Of Motor Relay395

Check Open Circuit Monitor System Circuit Of Relay Box397

Check Open Circuit In Monitor System Harness400

Check Open Circuit In Relay Control System Harness400

Check Ground Short In Harness Between Relay Box And Abscm401

Check Battery Short In Harness Between Relay Box And Abscm402

Check Ground Short At Abscm Monitor Terminal402

Check Battery Short In Abscm Connector Terminal402

Check Condition Of Motor Ground403

Check Abscm Motor Drive Terminal404

Check Motor Operation404

Abnormal Stop Light Switch - Diagnosis406

Check Stop Lights Come On408

Check Open Circuit In Harness408

Check All Four Wheels For Free Turning410

Check Specifications Of Abscm410

Check Input Voltage Of G Sensor411

Check Open Circuit In G Sensor Output Harness And G Round Harness411

Check Ground Short In G Sensor Output Harness412

Check G Sensor413

Pedal System And Control Cables415

Pedal Effort Reducing Mechanism415

Hydraulic Clutch Pedal System (Tu Rbo)416

Heater And Ventilation417

Heater System417

Switch Function (Heater System)418

Mode Selector Switch And Air Flow419

Air Distribution Ratio420

Blower System421

Air Conditioning System422

Air Conditioning Cycle422

Compressor (Lhd Model)423

Compressor Discharge425

Trigger Valve426

When Compressor Is Stopped427

When Compressor Is Restarted427

When Compressor Is In Regular Operation427

Compressor Saving Sensor428

Magnet Clutch429

Compressor (Rho Model) General Information430

Compressor (Rho Model) Function431

Compressor (Rho Model) Discharge432

Trigger Valve (Rho Model)432

When Compressor Starts Or When Load Is Low433

When Compressor Is In Regular Operation (Rho Model)433

Compressor Lubrication (Rho Model)434

Temperature Sensor435

Conditioning System435

Condenser - Mechanism436

Receiver Drier437

Dual Switch (Lhd Model)439

Abnormal Low-Pressure Operation440

Abnormal High-Pressure Operation441

Dual Switch (Rho Model)442

Abnormal Low-Pressure Operation (Rho)443

Abnormal High-Pressure Operation (Rho)444

Expansion Valve (Lhd Model)446

Expansion Valve (Rhd Model)447

Compressor Clutch "On" Delay System449

Compressor Control System449

Thermo Control Amplifier450

Acceleration Cut System450

Body Section453

Body And Exterior454

Tilt-Up Mechanism Operation454

Sunroof Motor Construction455

Limit Switch Construction455

Sunroof System Operation456

Slide Operation456

Open Operation456

Closed Operation457

Drain Tube Layout459

Doors And Windows460

Door Checker460

Door Construction460

Window Glass461

Supplemental Restraint System463

Srs Airbag System Installation463

Supplemental Restraint System Function464

Supplemental Restraint System Function Construction465

Airbag Control Module466

Front Sensor466

Safety Sensor467

Airbag Module468

Airbag Connector469

Connector Coupled To Air Bag Control Module469

Connector Between Harnesses469

Steering Roll Connector470

Airbag Warning Light470

Wire Harness470

Electrical Components Location (Supplemental Restraint System)471

Tools For Diagnosis473

Test Harness A473

Test Harness B2474

Test Harness C475

Airbag Resistor476

Diagnostics Chart For On-Board Diagnostic System477

Check Airbag Warning Light Illumiates477

Check Trouble Code Indicates477

On-Board Diagnostics478

Diagnostics Procedure - Without Passenger's Airbag Model479

Diagnostics Procedure - With Passenger's Air Bag Model481

List Of Trouble Codes (Supplemental Restraint System)484

How To Read Trouble Codes485

Trouble Code 02 - Front Sensor Harness Is Shorted486

Front Sensor And Harness Inspection487

Airbag Main Harness Inspection487

Trouble Code 03 - Front Sensor Harness Circuit Is Open488

Front Sensor (Lh And Rh) Inspection488

Trouble Code 04 - Airbag Main Harness Circuit Is Shorted489

Trouble Code 11 - Airbag Control Module Is Faulty490

Airbag Control Module Inspection490

Fuse No 8 Inspection491

Trouble Code 12 - Airbag Main Harness Circuit Is Open492

Trouble Code 13 - Airbag Main Harness Circuit Is Shorted493

Trouble Code 14 - (Ab9) And (Ab 10) Are Not Connected Properly494

Double Lock Inspection For Connectors (Ab9) And (Ab10)495

Airbag Control Module Double Lock Inspection At Connectors (Ab4)-(Ab6)495

Double Lock Inspection For Connectors (Ab3) And (Ab8)495

Roll Connector Double Lock Inspection At Connectors (Ab2) And (Ab7)495

Trouble Code 21 - Airbag Control Module Is Faulty496

Trouble Code 22 - Airbag Main Harness Circuit Is Open497

Trouble Code 23 - Airbag Main Harness Is Shorted To Power Supply498

Front Sensor Inspection499

Trouble Code 24 - Airbag Main Harness Circuit Is Open500

Trouble Code 31 - Airbag Control Module Is Faulty501

Fuse No 16 Inspection502

Trouble Code 32 - Airbag Main Harness Circuit Is Open503

Airbag Warning Light Remains On504

Double Lock Inspection For Connectors (Ab1) And (B31)504

Inspection Of Body Harness, Connector And Airbag Warning Light505

Grounding Circuit Inspection506

Airbag Warning Light Remains Off507

Fuse No 15 Inspection507

Body Harness Inspection507

Airbag Warning Light Unit (In Combination Meter) Inspection508

Warning Light Indicates Trouble Code, Then Normal Code509

Selection Of Check Parts510

Airbag Component Parts Appearance Inspection511

Airbag Component Parts Vibration Inspection511

Showering Inspection To Body511

Airbag Connectors Appearance And Vibration Inspection512

Engine Electrical System515

Turbo Model - Ingition System516

Body Electrical System517

Main Fuse And Relay Box517

Ignition Switch519

Front Wiper And Washer520

Rear Wiper And Washer521

Combination Meter522

Warning And Indicator Light522

Telltale (Graphic Monitor)524

Water Temperature Gauge526

Fuel Gauge - Circuit Diagram528

Power Window529

Power Door Lock530

Vehicle Speed Sensor (Turbo Model)531

Immobiliser System Construction532

Immobiliser System - Electrical Components Location533

Immobiliser System - Schematic534

Malfunction Indicator Light Blinks536

Immobiliser Indicator Light Remains Off537

Diagnostics Chart For Indicator Light540

Check Immobiliser Indicator Light Comes On541

Check Imm Ecm Circuit541

Check Combination Meter Circuit542

Check Immobiliser Indicator Light Circuit In Combination Meter543

D Iagnostics Chart With Select M Onitor546

Wiring Diagram548

Working Precautions548

Wiring Diagram - How To Use This Manual549

Voltage Measurement555

Circuit Continuity Checks555

How To Detemine An Open Circuit556

How To Determine A Short-Circuit556

Precautions When Working With The Parts Mounted On The Vehicle557

Precautions In Trouble Diagnosis And Repair Of Electrical Parts557

How To Use Wiring Diagram559

How To Use Super Multiple Junction (Smj)561

Explanation Of Smj Shown In The Wiring Diagram562

Power Supply Routing563

Air Conditioing System Lhd Model - Diagram565

Anti-Lock Brake System Lhd Model - Diagram567

Audio And Clock System - Diagram569

Back-Up Light System - Diagram570

Charging System Diagram571

Combination Meter Lhd Model - Diagram572

Door Lock System Diagram573

Engine Electrical System Lhd Turbo Model - Diagram574

Front Fog Light System Lhd Model - Diagram578

Front Wiper And Washer System Diagram579

Fuel Gauge System Diagram580

Full Time Dual-Range System Diagram581

Horn And Cigarette Lighter System Diagram582

Headlight Beam Leveler System Diagram583

Headlight Washwer System Lhd Model - Diagram584

Immobilizer System Lhd Model - Diagram585

Lighting (Headlight) System Lhd Model - Diagram586

Lighting (Taillight Illumination System Etc.) System Diagram587

Oil Pressure And Temperature Gauge System Lhd Model - Diagram589

Parking Brake And Brake Fluid Level Warning System Diagram590

Power Window System Diagram591

Radiator Fan System (Lhd Turbo With A/C Model) Diagram593

Rear Fog Light System Lhd Model - Diagram594

Rear Window Defogger System Diagram595

Rear Wiper And Washer System Lhd Model Diagram596

Remote Control Rearview Mirror System Diagram597

Spot Light, Room Light, Luggage And Room Light System Diagram598

Srs (Air Bag System) Diagram599

Starting System Diagram600

Stop Light System Diagram601

Sunroof System Diagram602

Turn Signal And Hazard System Diagram603

Front Wiring Harness And Ground Point (Lhd Model)604

Bulk Head Wiring Harness And Ground Point (In Engine Room)606

Engine Wiring Harness, Transmission Cord And Ground Point608

Bulkhead Wiring Harness (In Compartment) Lhd Model610

Instrument Panel Wiring Harness And Ground Point (Lhd Model)612

Rear Wiring Harness And Ground Point (Lhd Model)614

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1998 impreza 1997 impreza