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The Oil Pressure Warning Lamp Does Not Turn Off




THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF

Description

The oil pressure warning lamp remains illuminated while the engine is running (normal oil pressure)


Diagnosis Procedure


1. CHECK OIL PRESSURE WARNING LAMP

Perform auto active test. Diagnosis Description.
Does oil pressure warning lamp blink?
YES- GO TO 2.
NO- Replace combination meter.

2. CHECK IPDM E/R OUTPUT VOLTAGE

1.Disconnect the oil pressure switch connector.
2.Turn ignition switch ON.
3.Check voltage between the oil pressure switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 4.

3. CHECK OIL PRESSURE SWITCH UNIT

Perform a unit check for the oil pressure switch. Oil Pressure Switch Signal Circuit.
Is the inspection result normal?
YES- Replace IPDM E/R. Removal And Installation.
NO- Replace oil pressure switch.

4. CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT

Check the oil pressure switch signal circuit. Oil Pressure Switch Signal Circuit.
Is the inspection result normal?
YES- Replace IPDM E/R. Removal And Installation.
NO- Repair harness or connector.