Nissan Sentra Service Manual: Basic inspection
Diagnosis and repair work flow
Work flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW FOR MALFUNCTION
Find out what the customer's concerns are.
>> GO TO 2
2.SYMPTOM CHECK
Verify the symptom from the customer's information.
>> GO TO 3
3.BASIC INSPECTION
Check the operation of each part. Check that any concerns occur other than those mentioned in the customer interview.
>> GO TO 4
4.SELF-DIAGNOSIS WITH CONSULT
Perform the self diagnosis with CONSULT. Check that any DTC is detected.
Is any DTC detected? YES >> GO TO 5
NO >> GO TO 6
5.TROUBLE DIAGNOSIS BY DTC
Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.
>> GO TO 9
6.FAIL-SAFE ACTIVATION CHECK
Determine if the customer's concern is related to fail-safe activation.
Does the fail-safe activate? YES >> GO TO 7
NO >> GO TO 8
7.SYSTEM DIAGNOSIS
Perform the system diagnosis for the system in which the fail-safe activates. Specify the malfunctioning part.
>> GO TO 9
8.SYMPTOM DIAGNOSIS
Perform the symptom diagnosis. Specify the malfunctioning part.
>> GO TO 9
9.MALFUNCTION PART REPAIR
Repair or replace the malfunctioning part.
>> GO TO 10
10.REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT)
Perform the self diagnosis with CONSULT. Verify that no DTCs are detected. Erase all DTCs detected prior to the repair. Verify that DTC is not detected again.
Is any DTC detected? YES >> GO TO 5
NO >> GO TO 11
11.REPAIR CHECK (OPERATION CHECK)
Check the operation of each part.
Does it operate normally?
YES >> Inspection End.
NO >> GO TO 3
Wiring diagram
Headlamp
Wiring diagram
Daytime light system
Wiring diagram
Auto light system
Wiring diagram
Front fog lamp
Wiring diagram
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Other materials:
Basic inspection
Diagnosis and repair work flow
Work flow
Overall sequence
Detailed flow
1.Get information for symptom
Get the detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurred) using the “diagnostic work sheet”. ( ...
Basic inspection
DIAGNOSIS AND REPAIR WORK FLOW
Work Flow
NOTE:
“DTC” includes DTC at the 1st trip.
1.OBTAIN INFORMATION ABOUT SYMPTOM
Refer to TM-140, "Diagnostic Work Sheet" and interview the customer to obtain
the malfunction information
(conditions and environment when the malfunctio ...
Periodic maintenance
FUEL SYSTEM
Inspection
Inspect fuel lines, fuel filler cap, and fuel tank for improper attachment,
leakage, cracks, damage, loose connections, chafing or deterioration.
Engine
Fuel line
Fuel tank
If necessary, repair or replace damaged parts.
Quick Connector
CAUTION:
After c ...
