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).




THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF


Diagnosis Procedure

1.CHECK OIL PRESSURE WARNING LAMP
Perform auto active test. Refer to 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. Refer to Component Inspection.
Is the inspection result normal?
YES - Replace IPDM E/R. Refer to Removal and Installation.
NO - Replace oil pressure switch.
4.CHECK OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to Diagnosis Procedure.
Is the inspection result normal?
YES - Replace IPDM E/R. Refer to Removal and Installation.
NO - Repair harness or connector.