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:
Headlining
Exploded View
1. Headlining assembly (without
sunroof)
2. Assist grip
3. Headlining assembly (with sunroof)
4. Front room/Map lamp assembly
bracket
5. Front room/Map lamp assembly
6. Sunvisor
7. Sunvisor holder
8. Sunvisor cover
A. Clip C101
B. Dual lock fastener
Removal and Install ...
P0451 evap control system pressure
sensor
Description
The EVAP control system pressure sensor detects pressure in the
purge line. The sensor output voltage to the ECM increases as pressure
increases.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously cond ...
B2014 chain of strg-immu
Description
BCM performs the ID verification with the steering lock unit to release the
steering. BCM starts the communication
with the steering lock unit when keyfob is carried into the passenger
compartment and the push-button
ignition switch is pressed.
DTC Logic
DTC DETECTION LOGIC
...
