Test Description

WARNING: This page is about a different car, the 2003 Pontiac Vibe. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

2. This step uses the scan tool to test the ignition positive voltage circuit to the EBCM.

Fig 1: Diagnostic System Check - DTC C1279 (Step 1-5)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Diagnostic System Check - DTC C1279 (Step 6-7)

Courtesy of GENERAL MOTORS CORP.