Operation CHARM: Car repair manuals for everyone.

Engine Oil Pressure Gage Inaccurate or Inoperative

TEST DESCRIPTION

Steps 1-9:




Steps 10-12:




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. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.