P0524

P0524-OIL PRESSURE TOO LOW





For complete wiring diagrams refer to Diagrams/Electrical.


- When Monitored:

While the engine is running.

- Set Condition:

The oil pressure detected by the ECM is less than a calibrated value.







Always perform the Pre-Diagnostic Troubleshooting procedure before proceeding.

Diagnostic Test


1. LOW OIL LEVEL

Check the engine oil level.

Is the engine oil in the safe operating range?

Yes

- Go To 2

No

- Repair any condition that may cause the oil level to be above or below the safe operating range.
- Perform POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

2. SIGNAL CIRCUIT SHORT TO GROUND

With the scan tool, erase DTCs.

Turn the ignition off.

Disconnect the oil pressure switch harness connector.

Turn the ignition on for 1 minute.

Did DTC P0521 set?

Yes

- Go To 3

No

- Repair the (G6) signal circuit shorted to ground.
- Perform POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

3. OIL PRESSURE SWITCH

Measure the engine oil pressure with a mechanical gauge.

Is the oil pressure within the acceptable operating range?

Yes

- Replace the oil pressure switch.
- Perform POWERTRAIN VERIFICATION TEST. Powertrain Verification Test

No

- Repair internal engine damage.
- Perform POWERTRAIN VERIFICATION TEST. Powertrain Verification Test