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 of IPDM E/R. Refer to 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. 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.
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. Refer to Component Function Check.
Is the inspection result normal?
YES - Replace combination meter.
NO - Replace IPDM E/R. Refer to Removal and Installation.