GM Service Manual Online
For 1990-2009 cars only

ECM Inputs and Outputs

ECM Inputs and Outputs


Object Number: 2021923  Size: FS
Master Electrical Component List
Control Module References
Throttle Body and APP Sensor
Fuel Pump and Fuel Level Sensor
Battery, Starter and Ignition Switch, Inputs and Outputs
Battery Current Sensor and Generator, Inputs and Outputs
Module Power, Ground and Serial Data
Cooling Fans and Relays
Instrument Cluster Power, Ground, Serial Data, Inputs and Outputs
Body Control Module and Ignition Switch, Power, Ground, Inputs and Outputs
HVAC Module, Power, Ground, Serial Data, Inputs and Outputs
Stop Lamps Power and Ground
TCM and Transmission, Power, Ground, Serial Data, Inputs and Outputs