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. Inspection with CONSULT-III (Self-Diagnosis) Service and Repair, "Removal and
Installation of IPDM E/R".
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-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. Removal And Installation.
NG - Replace IPDM E/R. Service and Repair.