Diagnosis Procedure

THE OIL PRESSURE WARNING LAMP DOES NOT TURN OFF

VQ37VHR : 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 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. Oil Pressure Switch Signal Circuit.
Is the inspection result normal?
YES- Replace IPDM E/R. Removal And Installation.
NO- Replace oil pressure switch. Disassembly And Assembly (2WD models)
or Removal And Installation (AWD).

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- GO TO 5.
NO- Repair harness or connector.

5. CHECK COMBINATION METER INPUT SIGNAL

Connect CONSULT and perform an input signal check for the combination meter. Oil Pressure Switch Signal Circuit.
Is the inspection result normal?
YES- Replace combination meter. Removal And Installation.
NO- Replace IPDM E/R. Removal And Installation.