GM Service Manual Online
For 1990-2009 cars only

MAP, ECT, and MAF/IAT Sensors

MAP, ECT, and MAF/IAT Sensors


Object Number: 1648547  Size: FS
Master Electrical Component List
Engine Control Module Description
Control Module References
Heated Oxygen Sensors
5-Volt and Low Reference Bussing
Engine Controls Schematic Icons
ECM Power, Ground, MIL, and Serial Data
EMISSIONS 1, EMISSIONS 2, A/C CMPRSR Fuses, A/C CMPRSR, FAN 1, FAN 2, and FAN 3 Relays
Turn Signal, Hazard, and Stoplamps Outputs
VSS, AT ISS Sensors, Pressure Control Solenoid Valve, and TCC Release Switch
G101, G102, G111, and G112 (LS4)
G101, G102, G111, and G112 (LS4)