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-102, "Operational Check".
>> GO TO 3
3.GO TO APPROPRIATE TROUBLE DIAGNOSIS
Go to appropriate trouble diagnosis. Refer to HAC-155, "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 & 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:
DLC branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the data link connector for damage,
bend and loose connection
(connector side and harness side) ...
Idle speed
Description
This describes how to check the idle speed. For the actual procedure, follow
the instructions in “BASIC
INSPECTION”.
Special Repair Requirement
1.CHECK IDLE SPEED
Check idle speed in “DATA MONITOR” mode with CONSULT-III.
Check idle speed with Service $01 of GST.
> ...
Additional service when replacing control unit
Description
When replacing ECM, this procedure must be performed.
Special Repair Requirement
1.PERFORM INITIALIZATION OF NATS SYSTEM AND REGISTRATION OF ALL NATS IGNITION
KEY IDS
Refer to SEC-15, "ECM RE-COMMUNICATING FUNCTION : Special Repair Requirement"
(Coupe) or SEC-
214, &qu ...