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. Diagnosis Description.
Is oil pressure warning lamp blinking?
YES - GO TO 2.
NO - GO TO 5.
2.CHECK IPDM E/R OUTPUT VOLTAGE
1. Turn ignition switch OFF.
2. Disconnect the oil pressure switch connector.
3. Turn ignition switch ON.
4. Check voltage between the oil pressure switch harness connector terminal and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 4.
3.CHECK OIL PRESSURE SWITCH
Perform a unit check for the oil pressure switch. Component Inspection.
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. Diagnosis Procedure.
Is the inspection result normal?
YES - GO TO 5.
NO - Repair harness or connector.
5.CHECK COMBINATION METER INPUT SIGNAL
Connect CONSULT-III and perform an input signal check for the combination meter. Component Function Check.
Is the inspection result normal?
YES - Replace combination meter.
NO - Replace IPDM E/R. Removal And Installation.