GM Service Manual Online
For 1990-2009 cars only

Module Power

Module Power


Object Number: 1870512  Size: FS
Master Electrical Component List
Engine Control Component Description
Control Module References
Module Ground, Serial Data, and MIL, Wait to Start, Water in Fuel Indicators
Batteries - LG4/LG5 and B+ Bus
Ignition Switch - OFF/RUN/START, RUN/START, and START Busses
ENGINE and PCM-1 Fuses/Circuit Breakers
TRANS Fuse/Circuit Breaker
A/C COMP, HTD FUEL, PCM-B and RR DEFOG Fuses
Batteries - LG4/LG5 and B+ Bus
Engine Data Sensors - EGR Valve and Glow Plug Controls
Engine Data Sensors - Mass Air Flow, Temperature, and Turbocharger Vane Position Control
Fuel Controls - Fuel Sensors, Suction Control Valve (SCV), Exhaust Temperature, DPF Pressure Sensors, and Exhaust Brake Solenoid
Engine Data Sensors - EGR Valve and Glow Plug Controls
G100 - LG4