Engine Oil Pressure Gage Inaccurate or Inoperative
TEST DESCRIPTIONSteps 1-12:
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.