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Diagnostic Aids

WARNING: This page is about a different car, the 2002 Pontiac Sunfire, 2002 Chevrolet Cavalier, 2001 Pontiac Sunfire, and 2001 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.

Engine will not start when there is a total malfunction of class 2 serial data circuit while engine is not running.

Fig 1: Identifying Radio Harness Connector C1 Terminals
G00041016Courtesy of GENERAL MOTORS CORP.
Fig 2: Identifying Powertrain Control Module Harness Connectors Terminals
G00041015Courtesy of GENERAL MOTORS CORP.
Fig 3: Identifying Instrument Panel Cluster Harness Connector Terminals
G00041014Courtesy of GENERAL MOTORS CORP.
Fig 4: Identifying Electronic Brake Control Module Harness Connector Terminals
G00041013Courtesy of GENERAL MOTORS CORP.
Fig 5: Identifying Sensing & Diagnostic Module Harness Connector Terminals
G00041012Courtesy of GENERAL MOTORS CORP.
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