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:
Main line between DLC and ABS 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 following terminals and connectors for damage, bend and loose
connection (connector side
and harness side).
- Harness co ...
P0442 evap control system
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P0442 is displayed with DTC P0456, first perform the trouble diagnosis
for DTC P0456. Refer to
EC-841, "DTC Logic".
This diagnosis detects leaks in the EVAP purge line using engine intake manifold
vacuum.
If pressure does not increa ...
Additional service when removing battery
negative terminal
Description
Initial setting is necessary when battery terminal is diconnected.
CAUTION:
The following specified operations are not performed under the non-initialized
condition.
• Auto-up operation
• Anti-pinch function
• Retained power operation
Special Repair Requirem ...