Nissan Sentra Service Manual: Basic inspection
Diagnosis and repair workflow
Workflow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>> GO TO 2.
2.SYMPTOM CHECK
Verify symptoms.
>> GO TO 3.
3.CHECK FOR DTCS
With CONSULT
- Turn ignition switch ON.
- Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
- Check DTC.
Is any DTC detected? YES >> GO TO 4.
NO >> GO TO 5.
4.PERFORM DTC DIAGNOSTIC PROCEDURE
Perform the diagnostic procedure for the detected DTC. Refer to HAC-37, "DTC Inspection Priority Chart".
>> GO TO 7.
5.OPERATION CHECK
Perform the operation check. Refer to HAC-53, "Work Procedure" (automatic A/C) or HAC-157, "Work Procedure" (manual A/C).
>> GO TO 6.
6.SYMPTOM DIAGNOSIS
Check the symptom diagnosis table. Refer to HA-17, "Symptom Table".
>> GO TO 8.
7.VERIFY REPAIR
With CONSULT
- Turn ignition switch ON.
- Select “Self Diagnostic Result” mode of “HVAC” using CONSULT.
- Check DTC.
Is any DTC detected? YES >> GO TO 4.
NO >> GO TO 8.
8.PERFORM FINAL OPERATION CHECK
Perform the operation check. Refer to HAC-53, "Work Procedure" (automatic A/C) or HAC-157, "Work Procedure" (manual A/C).
Does it operate normally? YES >> Inspection End.
NO >> GO TO 2.
System description
Refrigeration system
Component part location
High-pressure service port
High-pressure pipe
Expansion valve
Low-pressure service port
Low-pressure flexible hose
Compressor
Refrige ...
Other materials:
Engine maintenance
Drive belt
Drive belt : inspection
Alternator
Drive belt auto-tensioner
Crankshaft pulley
A/c compressor
Water pump
Drive belt
Possible use range
New drive belt range
Ndicator
Warning:
Perform this step when engine is stopped.
Check that the indicator of drive bel ...
Precaution for supplemental restraint system (srs) "air bag" and "seat belt
pre-tensioner"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
EPS Warning lamp
Component Function Check
1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP
Check that the EPS warning lamp turns ON when ignition switch
turns ON. Then, EPS warning lamp turns
OFF after the engine is started.
Is the inspection result normal?
YES >> Inspection End.
NO >> Perfo ...
