Nissan Maxima Service and Repair Manual: Oil pressure switch signal circuit
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
Select "METER/M&A" on CONSULT.
Monitor "OIL W/L" of "DATA MONITOR" while operating ignition switch.
>> Inspection End.
Diagnosis Procedure INFOID:0000000010049589
Regarding Wiring Diagram information, refer to MWI-87, "Wiring Diagram".
1.CHECK OIL PRESSURE SWITCH CIRCUIT
Turn ignition switch OFF.
Disconnect IPDM E/R connector F10 and oil pressure switch connector F41.
Check continuity between IPDM E/R harness connector F10 terminal 75 and oil pressure switch harness connector F41 terminal 1.
Check continuity between IPDM E/R harness connector F10 terminal 75 and ground.
1.CHECK OIL PRESSURE SWITCH
Check continuity between oil pressure switch and ground.