Subaru XT 1988 Service Manual page 1273

WIRING DIAGRAM AND
TROUBLESHOOTING
BUBARU
1988
Page
GENERAL DESCRIPTION.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2
ELECTRICAL WIRING HARNESS................. . . . . . . . . . .. 7
Front Wiring Harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 8
Engine Wiring Harness. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 12
Instrument Panel Wiring Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 14
Rear Wiring Harness ..................................... 18
Power Window Main Harness and Door Cord .... . . . . . . . . . . . . . . . .. 24
Common Grounding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 26
ELECTRICAL UNIT LOCATION ............................. 28
WIRING DIAGRAM AND TROUBLESHOOTING .................. 36
Power Supply Routing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 36
Engine Electrical System ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 39
Combination Meter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 43
Trip Computer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 57
Lighting System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 60
Front Fog Lamp. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 66
Turn Signal and Hazard Warning Light . . . . . . . . . . . . . . . . . . . . . . . .. 67
Back·Up Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 71
Stop Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 72
Room Light and Door Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 74
Trunk Room Light. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 77
Seat Belt and Key Warning System. . . . . . . . . . . . . . . . . . . . . . . . . . .. 78
Electronic-Controlled Motor Drive Power Steering System . . . . . . . . . . .. 91
Parking Brake System _ ................................... 105
Brake Fluid Level Warning System ............................ 106
4WD-MT System ............ .' .......................... 107
Automatic Transmission Control System ........................ 109
Windshield Wiper
&
Washer ................................ 113
Headlight Washer ....................................... 114
Radio and Auto Antenna .................................. 115
Horn and Cigarette Lighter ................................. 118
Clock ............................................... 121
Rear Window Defogger ................................... 122
Remote Controlled Rearview Mirror. .......................... 124
Power Window ......................................... 126
Door Lock System ...................................... 130
Speed Alarm .......................................... 131
Cruise Control System .................................... 133
Mode Selector ......................................... 138
Blower Motor ......................................... 139
Pneumatic Suspension System ............................... 140
O~RALl
WIRING DIAGRAM .............................. 000
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