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 of IPDM E/R. Diagnosis Description.
Is oil pressure warning lamp illuminated?
YES - GO TO 2.
NO - GO TO 5.
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 terminal and ground.





Is the inspection result normal?
YES - GO TO 3.
NO - GO TO 4.
3.CHECK OIL PRESSURE SWITCH
Check the oil pressure switch. Oil Pressure Switch Signal Circuit.
Is the inspection result normal?
YES - Replace IPDM E/R. Service and Repair.
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. Service and Repair.
NO - Repair harness or connector.
5.CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Connect the CONSULT-III.
2. Select the "Data Monitor" of the "METER/M&A" and check the "OIL W/L" monitor value. Oil Pressure Switch Signal Circuit Oil Pressure Switch Signal Circuit Oil Pressure Switch Signal Circuit Oil Pressure Switch Signal Circuit, "Component Function Check".
Is the inspection result normal?
YES - Replace combination meter.
NO - Replace IPDM E/R. Service and Repair.