Diagnostic Aids

WARNING: This page is about a different car, the 2002 Pontiac Firebird and 2002 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

Disconnecting modules and turning ignition switch to RUN position, may cause DTCs to set. Check for DTCs in each module after completion of required repairs.

Fig 1: Identifying Powertrain Control Module Harness Connector Terminals

Courtesy of GENERAL MOTORS CORP.

Fig 2: Identifying Sensing Diagnostic Module Harness Connector Terminals

Courtesy of GENERAL MOTORS CORP.

Fig 3: Identifying Electronic Brake Control Module Harness Connector Terminals

Courtesy of GENERAL MOTORS CORP.