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

3. This step tests for a high resistance in the signal circuit and the ground circuit of the ambient air temperature sensor.

10. DTCs may be set in the IPC when you perform this diagnostic table.

Fig 1: Outside Air Temperature Display Inaccurate Or Inoperative Diagnosis (Steps 1-8)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Outside Air Temperature Display Inaccurate Or Inoperative Diagnosis (Steps 9-10)

Courtesy of GENERAL MOTORS CORP.