Oil Pressure Switch Signal Circuit

OIL PRESSURE SWITCH SIGNAL CIRCUIT





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




Component Function Check
1.COMBINATION METER INPUT SIGNAL
1. Select "METER/M&A" on CONSULT-III.
2. Monitor "OIL W/L" of "DATA MONITOR" while operating ignition switch.





- Inspection End.




Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1.CHECK OIL PRESSURE SWITCH CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect IPDM E/R connector E122 and oil pressure switch connector F4.
3. Check continuity between IPDM E/R harness connector E122
(A) terminal 42 and oil pressure switch harness connector F4 (B) terminal 1.





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.