Oil Pressure Warning Lamp Stays Off (Ignition Switch ON)

WARNING LAMPS

Oil Pressure Warning Lamp Stays Off (Ignition Switch ON)


1. CHECK OIL PRESSURE WARNING LAMP OPERATION

Activate IPDM E/R auto active test. Auto Active Test.
Does oil pressure warning lamp blink?
YES- GO TO 2.
NO- GO TO 5.

2. CHECK IPDM E/R INPUT SIGNAL

1.Turn ignition switch ON.





2.Check voltage between IPDM E/R harness connector and ground.





OK or NG
OK- Replace IPDM E/R. Service and Repair.
NG- GO TO 3.

3. CHECK OIL PRESSURE CIRCUIT

1.Disconnect IPDM E/R connector and oil pressure switch connector (with MR-20DE) or double meter connector (with QR-25DE).





2.Check continuity between IPDM E/R harness connector E46 (A)
terminal 37 and oil pressure switch harness connector F32 (B)
terminal 1 (with MR-20DE) or double meter connector M89 (C)
terminal 6 (with QR-25DE).





OK or NG
OK- With MR-20DE, GO TO 4. With QR-25DE, Oil Pressure Sensor Inspection.
NG- Repair harness or connector.

4. CHECK OIL PRESSURE SWITCH

Check oil pressure switch. Warning Lamps.
OK or NG
OK- Replace IPDM E/R. Service and Repair.
NG- Replace oil pressure switch.

5. CHECK CAN COMMUNICATION

Select "METER/M&A" on CONSULT, and perform self-diagnosis of combination meter.
Self-diagnostic results content
No malfunction detected-GO TO 6.
Malfunction detected- Check applicable parts, and repair or replace as necessary.

6. CHECK COMBINATION METER INPUT SIGNAL

Select "METER/M&A" on CONSULT. Operate ignition switch with "OIL W/L" of "DATA MONITOR" and check operation status.





OK or NG
OK- Replace combination meter. Removal And Installation.
NG- GO TO 7.

7. CHECK BCM INPUT SIGNAL

Select "BCM" on CONSULT. Then select "SIGNAL BUFFER". Operate ignition switch with "OIL PRESS SW" of "DATA MONITOR" and check operation status.





OK or NG
OK- Replace BCM. Service and Repair.
NG- Replace IPDM E/R. Service and Repair.