Test Description

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

The number below refers to the step number on the diagnostic table.

16. B+ voltage should be present on the serial data terminal when tested with a DMM, but should not illuminate the test lamp. An illuminated test lamp indicates a short to voltage in the serial data circuit.

Fig 1: Keyless Entry System Inoperative Diagnosis (Steps 1-9)

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Fig 2: Keyless Entry System Inoperative Diagnosis (Steps 10-20)

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Fig 3: Keyless Entry System Inoperative Diagnosis (Steps 21-25)

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