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:
U1244 GPS antenna
Description
Refer to AV-240, "System Description".
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
1.GPS ANTENNA CHECK
Inspect GPS antenna and antenna feeder for damage or poor connection.
Is the GPS antenna and feeder clean and undamaged?
YES >> GO TO 2
NO >& ...
P2122, P2123 APP Sensor
Description
The accelerator pedal position sensor is installed on the upper end
of the accelerator pedal assembly. The sensor detects the accelerator
position and sends a signal to the ECM.
Accelerator pedal position sensor has two sensors. These sensors
are a kind of potentiometer which tran ...
P0605 ECM
Description
The ECM consists of a microcomputer and connectors for signal
input and output and for power supply. The ECM controls the engine.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always perf ...