For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you review the Instrument Cluster Circuit Description and perform the necessary inspections? | Go to Step 2 | Go to Symptoms - Instrument Panel, Gages and Console
2 | Verify that the oil gauge indicator is inoperative. Does the oil gauge indicator operate normally? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3
3 |

1. Disconnect the oil pressure switch connector.
2. Connect a J 36169-A fused jumper from the oil pressure switch connector to chassis ground.

Does the oil pressure indicator light?

Go to Step 4

Go to Step 5

4 | Replace the oil pressure switch. Did you complete the repair? | Go to Step 8 | --
5 |

1. Disconnect the instrument panel cluster assembly connector C2.
2. Test for a short to ground or open condition.
3. Test the YEL/BLK wire from cavity 3 to the oil pressure switch.

Is a short to ground or open condition present?

Go to Step 6

Go to Step 7

6 | Repair the open in the YEL/BLK wire between the instrument panel cluster assembly and the oil pressure switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 8 | --
7 | Repair or replace the instrument panel cluster printed circuit. Refer to Printed Instrument Cluster Circuit Replacement . Is the repair complete? | Go to Step 8 | --
8 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3