Diagnosis Procedure
- CHECK OIL PRESSURE WARNING LAMP
Perform auto active test. Refer to DIAGNOSIS DESCRIPTION .
Is oil pressure warning lamp illuminated?
YES
GO TO STEP 2.
NO
GO TO STEP 5.
- CHECK IPDM E/R OUTPUT VOLTAGE
- Disconnect the oil pressure switch connector.
- Turn ignition switch ON.
- Check voltage between the oil pressure switch harness connector terminal 1 and ground.
Terminal Voltage
(Approx.)(+) (-) Oil pressure switch Connector Terminal F37 1 Ground 12 V
Is the inspection result normal?
YES
GO TO STEP 3.
NO
GO TO STEP 4.
- CHECK OIL PRESSURE SWITCH UNIT
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 OIL PRESSURE SWITCH SIGNAL CIRCUIT
Check the oil pressure switch signal circuit. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES
GO TO STEP 5.
NO
Repair harness or connector.
- CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
Connect CONSULT and perform an input signal check for the unified meter and A/C amp. Refer to COMPONENT FUNCTION CHECK .
Is the inspection result normal?
YES
Replace combination meter.
NO
Replace BCM. Refer to REMOVAL AND INSTALLATION .