GM Service Manual Online
For 1990-2009 cars only

Control Module

Repair Instructions

Diagnostic System Check

Schematic

EBCM

Refer to Brake Pressure Modulator Valve Assembly 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

PCM

Refer to Powertrain Control Module Replacement in Engine Controls - 1.8 L

Refer to Diagnostic System Check - Engine Controls in Engine Controls - 1.8 L

Refer to Engine Controls Schematics in Engine Controls - 1.8 L

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