Toyota 4Runner 2003 - Power Source (Current Flow Chart)

Toyota 4Runner 2003

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2003 4RUNNER (EWD514U)

364

J POWER SOURCE (Current Flow Chart)

Table of Contents

Manual Sections List2
How to Use this Manual3
Continuity and Resistance Check12
Troubleshooting12
Voltage Check12
Disconnection of Male and Female Connectors13
Finding a Short Circuit13
How to Replace Terminal14
Abbreviations17
Glossary of Terms and Symbols18
Engine Control20
Engine Control - Parts Location28
Junction Block and Wire Harness Connector28
Relay Blocks28
Connector Joining Wire Harness and Wire Harness29
Ground Points29
Splice Points29
Engine Compartment Relays30
Relay Locations30
Instrument Panel Relays31
Engine Room R/B32
Driver Side J/B34
Driver Side J/B Inner Circuit36
Center J/B38
Center J/B Inner Circuit40
Electrical Wiring Routing42
Position of Parts in Engine Compartment42
Position of Parts in Instrument Panel46
Position of Parts in Body50
Position of Parts in Seat52
Location of Connector Joining Wire Harness and Wire Harness54
Location of Ground Points54
Location of Splice Points54
Power Source66
Table of Contents67
B-R68
W-G68
- Starting70
- Am272
- Ignition72
- Ignition SW76
  - Acc80
    - Charging80
    - Engine Control Diagram82
Am1 Ig182
- Engine Control System Outline89
- Input Signals89
- Diagnosis System90
- Engine Start Control System90
- Fail–Safe System90
- The SFI System90
- Engine Control System Parts Location91
- Engine Immobiliser System104
- Multiplex Communication System (Communication Bus)106
- Multiplex Communication System108
- Headlight134
- Front Fog Light140
- Automatic Light Control144
- Light Auto Turn off146
- Turn Signal and Hazard Warning Light (W/ Daytime Running Light)150
- Turn Signal and Hazard Warning Light (W/O Daytime Running Light)154
- Interior Light158
- Taillight and Illumination166
- Stop Light174
- Back–Up Light178
- Key Reminder180
- Seat Belt Warning182
- Garage Door Opener186
- Front Wiper and Washer188
- Rear Wiper and Washer192
- Power Window198
- Door Lock Control208
- Wireless Door Lock Control218
- Theft Deterrent228
- Electronically Controlled Transmission and A/T Indicator238
- Cruise Control254
- Vsc266
- Active Height Control Suspension and Electric Modulated Air Suspension274
- Multi Mode 4WD280
- Srs286
- Moon Roof290
- Shift Lock294
- Remote Control Mirror296
- Cigarette Lighter298
- Power Outlet (12V)300
- Power Outlet (115V)302
- Automatic Glare – Resistant EC Mirror with Compass304
- Horn306
- Electric Tension Reducer308
- Power Seat310
- Seat Heater314
- Trailer Towing318
- Rear Window Defogger and Mirror Heater322
- Navigation System, Radio and Player, Parking Assist328
- Radio and Player (W/O Navigation System Except 6 Speaker)336
- Radio and Player (6 Speaker)342
- Combination Meter346
- Air Conditioning354
- Ground Point364
- Power Source (Current Flow Chart)372
- Connector List382
- Part Number of Connectors396
- How to Read this Section402
- Front Suspensoin Components406
- Overall Electrical Wiring Diagram410
- Shock Absorber Assy Rear LH (W/O REAS) Components491
- Upper Control Arm Assy Components492
- Lower Control Arm Assy LH Components493
- Rear Lateral Control Rod Assy Components494
- Stabilizer Bar Rear Components495
- Front Bumper Components496
- Front Bumper Replacement497
- Rear Spoiler Replacement499

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