Body Electrical - Honda Civic 2002-2003 Service Manual

Body Electrical
Body Electrical
Special Tools ............................................... 22-2
General Troubleshooting Information ...... 22~3
Relay and Control Unit Locations ..... 22-7
Connectors and Harnesses ............... 22-13
Fuse/Relay Boxes ............................... 22-44
Power Distribution ............................. 22-46
Ground Distribution ........................... 22-48
Under-dash Fuse/Relay Box .............. 22-49
Battery ................................................. 22-50
Relays ................................................... 22-51
*Ignition Switch ................................... 22-53
*Gauges
Component Location Index ....................... 22-54
Self-diagnostic Procedure .......................... 22-56
Circuit Diagram ........................... " .............. 22-58
Gauge Bulb Replacement .......................... 22-63
Gauge Assembly Replacement ................. 22-64
Coolant Temperature
Gauge Troubleshooting ......................... 22-64
Vehicle Speed Signal Circuit
Troubleshooting ...................................... 22-65
VSS Replacement ...................................... 22-67
Exterior Lights
Component Location Index ....................... 22-68
Circuit Diagram ........................................... 22-71
Daytime Running Lights Control
Unit InputTest (Canada) ........................ 22-76
Headlight Adjustment ................................ 22-78
Headlight Replacement .............................. 22-79
Combination Light Switch
Test/Replacement ................................... 22-80
Bulb Replacement ...................................... 22-81
Taillight Replacement ................................ 22-82
High Mount Brake Light Replacement ...... 22-82
License Plate Light Replacement .............. 22-83
Side Marker Light Replacement ................ 22-83
Brake Pedal Position Switch Test ............. 22-84
Side Turn Signal Light Replacement ........ 22-84
Turn Signal/Hazard
Flasher System
Component Location Index ....................... 22-85
Circuit Diagram ........................................... 22-86
Turn Signal/Hazard Relay Input Test ........ 22-87
Hazard Warning Switch Test ..................... 22-88
Entry Lights Control System
Component Location Index ....................... 22-89
Circuit Diagram ........................................... 22-90
Ignition Key Switch Test ............................ 22-91
Ignition Key light Test ............................... 22-91
Control Unit Input Test ............................... 22-92
Interior Lights
Component Location Index ....................... 22-94
Circuit Diagram ........................................... 22-95
Ceiling Light/Spotlights
Test/Replacement ................................... 22-96
Rear Ceiling lightTest/Replacement ........ 22-96
Cargo Area Light Test/Replacement ......... 22-97
Hatch Latch Switch Test ............................. 22-97
*Audio System
Component Location Index ....................... 22-98
Circuit Diagram .......................................... 22-99
Audio Unit Removal/Installation ............... 22-100
Audio Unit Connector Replacement ......... 22-101
Speaker Replacement ................................ 22-102
Roof Antenna Replacement ....................... 22-103
Rear Window Defogger
Component Location Index ....................... 22-104
Circuit Diagram ........................................... 22-105
Function Test ............................................... 22-106
Defogger Wire Repair ................................. 22-106
Noise Condenser Capacity Test ................ 22-107
Moonroof
Component Location Index ....................... 22-108
Circuit Diagram ........................................... 22-109
Moonroof Control Unit Input Test ............. 22-110
Switch Test/Replacement .......................... 22-112
MotorTest ................................................... 22-112
Limit Switch Test ........................................ 22-113
Auto-stop Switch Test ................................ 22-113
Power Mirrors
Component Location Index ....................... 22-114
Circuit Diagram ........................................... 22-115
Function Test ............................................... 22-116
Power Mirror Switch Test .......................... 22-117
Power Mirror Actuator Test ....................... 22-117
Power Mirror Actuator Replacement ........ 22-118
* Horns
Component Location Index ....................... 22-120
Circuit Diagram ........................................... 22-121
Horn Test/Replacement ............................. 22-122
Horn Switch Test ........................................ 22-122