Nissan Altima 2007-2012 Service Manual: Function diagnosis
Inspection and adjustment
Description & Conditions
DESCRIPTION
The purpose of the operational check is to confirm that the system operates
properly.
CONDITIONS:
• Engine running and at normal operation temperature. ...
Function information
Component Part Location
ENGINE COMPARTMENT
1. A/C compressor F3
2. Refrigerant pressure sensor E219
3. A/C relay (internal to IPDM E/R)
1. A/C compressor F3
2. Refrigerant pressure sensor E ...
Other materials:
P0043, P0044 HO2S3 heater
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF control of the heated oxygen sensor 3 heater
corresponding to the engine speed,
amount of intake air and engine coolant temperature.
OPERATION
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC C ...
P0335 CKP sensor (POS)
Description
The crankshaft position sensor (POS) is located on the oil pan facing
the gear teeth (cogs) of the signal plate. It detects the fluctuation of
the engine revolution.
The sensor consists of a permanent magnet and Hall IC.
When the engine is running, the high and low parts of the ...
Vehicle speed signal circuit
Description
• Combination meter sends vehicle speed signal to power steering control
unit.
Diagnosis Procedure
1.PERFORM COMBINATION METER SELF-DIAGNOSIS
Perform combination meter self-diagnosis.
Is any error system detected?
YES >> Check the error system.
NO >> GO TO 2.
...