Nissan Altima 2007-2012 Service Manual: Diagnosis and repair workflow
Work Flow
DETAILED FLOW
1.LISTEN TO CUSTOMER COMPLAINT
Listen to customer complaint. Get detailed information about the conditions and environment when the symptom occurs.
>> GO TO 2
2.VERIFY THE SYMPTOM WITH OPERATIONAL CHECK
Verify the symptom with operational check. Refer to HAC-5, "Description and Conditions".
>> GO TO 3
3.GO TO APPROPRIATE TROUBLE DIAGNOSIS
Go to appropriate trouble diagnosis. Refer to HAC-83, "Symptom Matrix Chart" below.
>> GO TO 4
4.REPAIR OR REPLACE
Repair or replace the specific parts.
>> GO TO 5
5.FINAL CHECK
Final check.
Is the inspection result normal? YES >> Inspection End.
NO >> GO TO 3
Basic inspection
...
Inspection and adjustment
Description and Conditions
DESCRIPTION
The purpose of the operational check is to confirm that the system operates
properly.
CONDITIONS:
• Engine running and at normal operation temperature.
...
Other materials:
Spark plug
Removal and Installation
1. Ignition coil
2. Spark plug
3. Rocker cover
REMOVAL
1. Remove the ignition coil. Refer to EM-35, "Removal and Installation".
2. Remove the spark plug with a suitable spark plug wrench.
INSPECTION AFTER REMOVAL
• Do not use a wire brush for clean ...
Center speaker
Description
The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker
amp. amplifies the audio
signals before sending them to the center speaker using the audio signal
circuits.
Diagnosis Procedure
1.HARNESS CHECK
1. Disconnect BOSE speaker amp. connector B121 and cente ...
P2014 tumble control valve position
sensor
Description
Tumble control valve position sensor is built into the tumble control
valve actuator (2).
1 : Intake manifold adapter
3 : Tumble control valve
The sensor consists of a permanent magnet and Hall IC. It senses
the valve shaft movement and feeds the voltage signals to the ECM.
DTC ...
