Test Description

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

The numbers below refer to the numbers in the diagnostic procedure.

5

This step tests for a short to ground in the MIL control circuit. With the Powertrain Control Module (PCM) disconnected and the ignition ON, the MIL should be OFF.

6

This step tests for a short to voltage on the MIL control circuit. With the fuel removed, there should be no voltage on the MIL control circuit.