GM Service Manual Online
For 1990-2009 cars only
Figure 1:

Dash Integration Module (DIM) Power, Ground, and Serial Data


Object Number: 1787648  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Ignition Switch
Underhood Fuse Block DIM/ALDL, Volt Check, Flasher, CCP, ECM/TCM, and ABS Fuses
Underhood Fuse Block DIM/ALDL, Volt Check, Flasher, CCP, ECM/TCM, and ABS Fuses
Underhood Fuse Block B+ 1 of 2
Class 2 Serial Data Bus - LHD (2 of 2)
G102, G105, G110, G303, G304, and G306
G102, G105, G110, G303, G304, and G306
G200
G200
Figure 2:

Ignition Switch


Object Number: 1787653  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
DIM Inputs and Outputs - 1 of 3
Dash Integration Module (DIM) Power, Ground, and Serial Data
Ignition Switch 1 of 2
Ignition Switch 2 of 2
Ignition Switch 2 of 2
Figure 3:

DIM Inputs and Outputs - 1 of 3


Object Number: 1787656  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
DIM Inputs and Outputs - 2 of 3
Ignition Switch
Fog Lamps - Front
Power, Ground and Serial Data 1 of 2
Horns Schematics
Power, Ground and Serial Data 1 of 2
Wiring Systems and Power Management Ignition Lock Schematics
Figure 4:

DIM Inputs and Outputs - 2 of 3


Object Number: 1787660  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Data Communications Body Control System DIM Inputs and Outputs (3 of 3)
DIM Inputs and Outputs - 1 of 3
Headlamp Controls
Turn Signal/Hazard Flasher Module
Front Marker Lamps (w/TT7) and Front Park Lamps (w/o TT7)
Headlamp Controls
Displays and Gages Audible Warnings Schematics
Fog Lamps - Front
Figure 5:

DIM Inputs and Outputs - 3 of 3


Object Number: 1787663  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
Rear Integration Module (RIM) Power, Ground, and Serial Data
DIM Inputs and Outputs - 2 of 3
Turn Signal/Hazard Flasher Module
Backup Lamps
Power, Ground, Windshield Wiper/Washer Switch and Module
Door Modules, Serial Data and Indicator
Fog Lamps - Rear (Export w/T79)
Windshield Washer Pump and Headlamp Waasher and Washer fluid Level Switch
Turn Signal/Hazard Flasher Module
Windshield Washer Pump and Headlamp Waasher and Washer fluid Level Switch
Power, Ground and Serial Data 1 of 2
Figure 6:

Rear Integration Module (RIM) Power, Ground, and Serial Data


Object Number: 1787667  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
RIM Controlled/Monitored Subsystem References (1 of 2)
Data Communications Body Control System DIM Inputs and Outputs (3 of 3)
Right Rear Fuse Block, DR MOD PWR Circuit Breaker Canister Vent, RIM/IGN SW., FRT HTD Seat MOD, and PWR Sander Fuses
G401
Right Rear Fuse Block IGN 1 Relay, Airbag, RIM, ABS, PSGR DR MOD, and TV/VICS Fuses
Right Rear Fuse Block B+ Bus
Class 2 Serial Data Bus - LHD (2 of 2)
G401
Figure 7:

RIM Controlled/Monitored Subsystem References - 1 of 2


Object Number: 1787669  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
RIM Controlled/Monitored Subsystem References (2 of 2)
Rear Integration Module (RIM) Power, Ground, and Serial Data
Heated Seat - Driver (KA1)
Heated Seat - Passenger (KA1)
Courtesy Lamps
Backup Lamps
Heated Seat - Passenger (KA1)
Heated Seat - Driver (KA1)
Vehicle Access Release Systems Schematics
Power Moding
Figure 8:

RIM Controlled/Monitored Subsystem References - 2 of 2


Object Number: 1787670  Size: FS
Master Electrical Component List
Body Control System Description and Operation
Control Module References
RIM Controlled/Monitored Subsystem References (1 of 2)
BPP Sensor, Switches and Indicators - 2.8L/3.6L (LP1/LY7)
Manual Transmission - Tremec 6-Speed (MV1, MN6, M12) Schematics
Theft Deterrent Alarm, Intrusion, Sensor and Inclination Sensor (Export w/UA2)
BPP Sensor, Switches and Indicators - 2.8L/3.6L (LP1/LY7)
Position Lamp Controls (Export w/T79)
Fog Lamps - Rear (Export w/T79)
Theft Deterrent Alarm, Intrusion, Sensor and Inclination Sensor (Export w/UA2)
Shift Lock Control (M82) Schematics
Fixed and Moveable Windows Defogger Schematics