GM Service Manual Online
For 1990-2009 cars only

ECM Inputs and Outputs

ECM Inputs and Outputs


Object Number: 1962300  Size: FS
Master Electrical Component List
Service Programming System (SPS)
Control Module References
Fuel Pump and Fuel Level Sensor
Throttle Body and APP Sensor
Cruise Control Switch, Automatic Transmission Shift Lever, Multifunction Center Console Switch and Clutch Cruise Switch
Cooling Fans and Relays
Module Power, Ground and Serial Data
Battery, Starter and Ignition Switch, Inputs and Outputs
Battery, Starter and Ignition Switch, Inputs and Outputs
Instrument Cluster Power, Ground, Serial Data, Inputs and Outputs
Batt Main 4, BCM Logic, Console Lighting, IGNSW/Theft and Stop Lamps/Park Assist Fuses and Ignition Switch
HVAC Module, Power, Ground, Serial Data, Inputs and Outputs
Headlamp and Turn Signal Multifunction Switches and Ambient Light Sensors
TCM and Transmission, Power, Ground, Serial Data, Inputs and Outputs
Cruise Control Switch, Automatic Transmission Shift Lever, Multifunction Center Console Switch and Clutch Cruise Switch
Engine Controls Schematic Icons