GM Service Manual Online
For 1990-2009 cars only

ECM. Power, Ground, Serial Data, and MIL

ECM Power, Ground, Serial Data, and MIL


Object Number: 1820837  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Engine Data Sensors - 5-Volt and Low Reference
Fuse Block Underhood Wiring Bussing
Fuse Block Underhood Wiring Bussing
Fuse Block Underhood Wiring Bussing
Fuse Block - Right Rear - Lt Turn Signal, RIM 1, Rear Fog Lamp, Ft Pass Door Module, Htd Stg Clm, IGN 1, RIM 2 and Airbag Fuses, Rear Fog Lamp and Ign 1 Relays
Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses; ACC Relay
Fuse Block Underhood Wiring Bussing
Fuse Block - Underhood: Main, Low Speed, Hi Speed, and S/P Fan Relays, V8 ECM, PRE O2/CAM, HFV6 ECM, Low Speed Fan, Hi Speed Fan Fuses
Fuse Block - Underhood: Starter, RUN/CRANK Relays; Starter, Starter Relay, CCP, TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses
G104 (1 of 2)
Engine Data Sensors - Pressure, Temperature, MAF, VSS
Power, Grounds, ECM, IPM
Automatic Transmission Shift Lock Control Schematics
G100 (LH2/LC3)
ECM, EBCM
G104 (1 of 2)