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.
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump detects the approximate fuel level
in the fuel tank and transmits the
fuel level signal to the combination meter.
Component Function Check
1 ...
Parking brake switch signal circuit
Description
Transmits the parking brake switch signal to the combination meter.
Component Function Check
1.COMBINATION METER INPUT SIGNAL
1. Select “METER/M&A” on CONSULT-III.
2. Moni ...
Other materials:
Can communication circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CONNECTOR INSPECTION
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Disconnect all the unit connectors on CAN communication system.
4. Check terminals and connectors for damage, bend and loose con ...
Front fog lamp
System Diagram
System Description
• BCM (Body Control Module) controls front fog lamp operation.
• IPDM E/R (Intelligent Power Distribution Module Engine Room) operates front
fog lamp according to CAN
communication signals from BCM.
• Combination meter operates front fog lamp indi ...
P0448 evap canister vent control
valve
Description
The EVAP canister vent control valve is located on the EVAP canister
and is used to seal the canister vent.
This solenoid valve responds to signals from the ECM. When the
ECM sends an ON signal, the coil in the solenoid valve is energized.
A plunger will then move to seal the ca ...
