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 SWITCH

1.Turn ignition switch OFF.
2.Disconnect oil pressure switch connector.
3.Check oil pressure switch. Warning Lamps.
OK or NG
OK- GO TO 4.
NG- Replace oil pressure switch.

4. CHECK OIL PRESSURE SWITCH CIRCUIT

1.Disconnect IPDM E/R connector.





2.Check continuity between IPDM E/R harness connector (A) and oil pressure switch harness connector (B).





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

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.
"OIL W/L"
When ignition switch is in ON position (Engine stopped.): ON
When engine running: OFF
OK or NG
OK- Replace combination meter. Removal And Installation.
NG- Replace IPDM E/R. Service and Repair.