Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you perform the instrument cluster diagnostic system check? | -- | Go to Step 2 | |
2 | Turn ON the ignition. Does the ENGINE OIL PRESSURE message display? | -- | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 |
With a scan tool, select the PCM IPC data list screen on the scan tool. Does the engine oil pressure data value indicate low? | -- | Go to Step 5 | Go to Step 4 |
4 |
Important: Perform the set up procedure for the replacement IPC. Replace the IPC. Refer to Instrument Cluster Replacement . Did you complete the replacement and the set up procedure? | -- | Go to Step 10 | -- |
5 |
Test for a short to ground in the signal circuit of the engine oil pressure indicator switch. Refer to Circuit Testing in Wiring Systems. Is a short to ground present? | -- | Go to Step 6 | Go to Step 7 |
6 | Disconnect the engine oil pressure indicator switch. Is a short to ground still present? | -- | Go to Step 8 | Go to Step 9 |
7 |
Important: Perform the reprogramming procedure for the replacement PCM. Replace the PCM. Refer to Powertrain Control Module Replacement/Programming in Engine Controls - 3.4L. Did you complete the replacement and the set up procedure? | -- | Go to Step 10 | -- |
8 | Repair a short to ground in the signal circuit of the engine oil pressure indicator switch. Refer to Wiring Repairs in Wiring Systems. Did you complete the repair? | -- | Go to Step 10 | -- |
9 | Replace the engine oil pressure indicator switch. Refer to Engine Oil Pressure Sensor or Switch Replacement . Did you complete the repair? | -- | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
