GM Service Manual Online
For 1990-2009 cars only

MAP, ECT, VSS Circuit, and IAT/MAF

MAP, ECT, VSS Circuit, and IAT/MAF


Object Number: 786841  Size: FS
Master Electrical Component List
Powertrain Control Module Description
HO2S Circuit
5 Volt and Low Reference Busses
OBD II Symbol Description Notice
IGN A Fuse and Ignition Switch
G104, L18, 1 of 2, All Except HO2S Circuit
L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors
L18 Internal Switches, TFT, PC Solenoid Valve, and Shaft Speed Sensors
Speedometer, Tachometer, and Fuel Gage
Oil Pressure, Coolant Temperature, and Voltage Gages, Battery, and Check Gages Indicators