Diagnosis Procedure
THE OIL PRESSURE WARNING LAMP DOES NOT TURN ON
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 4.
2. 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 3.
NO- Repair harness or connector.
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 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.