Diagnosis Procedure

Perform auto active test. Refer to "DIAGNOSIS DESCRIPTION ".

Does oil pressure warning lamp blink? 

YES: GO TO 2.

NO: Replace combination meter.

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

   Terminals			Voltage
   (+)		(-)
   Oil pressure switch		Ground
   Connector	Terminal
   F37	1		Approx. 12 V

   Is the inspection result normal? 

   YES: GO TO 3.

   NO: GO TO  4.

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.

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.