Oil Pressure Switch Signal Circuit

OIL PRESSURE SWITCH SIGNAL CIRCUIT





Description
Detects the engine oil pressure and transmits the oil pressure switch signal to IPDM E/R.




Component Function Check
1.CHECK UNIFIED METER AND A/C AMP. INPUT SIGNAL
1. Connect the CONSULT-III.
2. Select the "Data Monitor" for the "METER/M&A" and check the "OIL W/L" monitor value.

"OIL W/L"
Ignition switch ON : On
Engine running : Off

- INSPECTION END




Diagnosis Procedure
1.CHECK OIL PRESSURE SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector and oil pressure switch connector.
3. Check continuity between IPDM E/R harness connector terminal and oil pressure switch harness connector terminal.





4. Check continuity between IPDM E/R harness connector terminal and ground.





Is the inspection result normal?
YES - INSPECTION END
NO - Repair harness or connector.




Component Inspection
1.CHECK OIL PRESSURE SWITCH





Check continuity between oil pressure switch and ground.





Is the inspection result normal?
YES - INSPECTION END
NO - Replace the oil pressure switch.