GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair Instructions

Diagnostic System Check

Schematic

EBCM

Refer to Electronic Brake Control Module Replacement in Antilock Brake System

Refer to Diagnostic System Check - ABS in Antilock Brake System

Refer to Antilock Brake System Schematics in Antilock Brake System

IPC

Refer to Instrument Cluster Replacement in Instrument Panel, Gauges and Console

Refer to Diagnostic System Check - Instrument Cluster in Instrument Panel, Gauges and Console

Refer to Instrument Cluster: Analog Schematics in Instrument Panel, Gauges and Console

PCM

Refer to Powertrain Control Module Replacement/Programming in Engine Controls (3.8)

Refer to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls (3.8)

Refer to Engine Controls Schematics in Engine Controls Schematics (3.8)

SDM

Refer to Inflatable Restraint Sensing and Diagnostic Module Replacement in SIR

Refer to Diagnostic System Check - SIR in SIR

Refer to SIR Schematics in SIR Schematics