Diagnosis Procedure

Perform auto active test of IPDM E/R. Refer to "DIAGNOSIS DESCRIPTION ".

Is oil pressure warning lamp illuminated? 

YES: GO TO 2.

NO: Replace combination meter.

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 and ground.

   Terminals			Voltage (Approx.)
   (+)		(-)
   Oil pressure switch
   Connector	Terminal
   F63	1	Ground	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.

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.

NO: Repair harness or connector.