Test Description

WARNING: This page is about a different car, the 2002 GMC Safari and 2002 Chevrolet Astro. 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 short to ground in the signal circuit.
4. This step tests for an open, for a high resistance, or for a short to voltage in the signal circuit. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.

Fig 1: Engine Oil Pressure Gage Inaccurate or Inoperative Symptom Table (1 Of 2)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Engine Oil Pressure Gage Inaccurate or Inoperative Symptom Table (2 Of 2)

Courtesy of GENERAL MOTORS CORP.