Test Description

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

1. 6
   
   This step tests for battery voltage on the signal circuits that are not required.
2. 7
   
   This step tests for no battery voltage on the required signal circuits.
3. 8
   
   If any ignition switch parameters that should be inactive in the present ignition switch position are active, 2 ignition switch signal circuits may be shorted together.
4. 9
   
   This step eliminates open circuits as the cause of the malfunction.

Fig 1: Power Mode Mismatch Diagnostic Table (Steps 1-6)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Power Mode Mismatch Diagnostic Table (Steps 7-14)

Courtesy of GENERAL MOTORS CORP.