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. Refer to 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. Refer to Inspection with CONSULT-III (Self-Diagnosis) 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. Refer to 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. Refer to Service and Repair.
NG >> Repair harness or connector.
5.CHECK CAN COMMUNICATION
Select "METER/M&A" on CONSULT-III, 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-III. Operate ignition switch with "OIL W/L" of "DATA MONITOR" and check operation status.





OK or NG
OK >> Replace combination meter. Refer to Removal And Installation.
NG >> Replace IPDM E/R. Refer to Service and Repair.