Nissan Altima (L32) 2007-2012 Service Manual: 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

1.CHECK OIL PRESSURE SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect IPDM E/R connector F10 and oil pressure switch connector F41.

3. Check continuity between IPDM E/R harness connector F10 (A) terminal 75 and oil pressure switch harness connector F41 (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.