Test Description

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

The number(s) below refer to the step number(s) on the diagnostic table.

3. This step tests for a short to ground in the signal circuit.
4. This step tests for an open, a high resistance, or a short to voltage in the signal circuit.
12. DTCs will be set in the PCM when you perform this diagnostic table.

Fig 1: Engine Coolant Temperature Gage Inaccurate Or Inoperative Diagnostic Table (1 Of 2)
Courtesy of GENERAL MOTORS CORP.

Fig 2: Engine Coolant Temperature Gage Inaccurate Or Inoperative Diagnostic Table (2 Of 2)

Courtesy of GENERAL MOTORS CORP.