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:
Blower motor
Exploded View
Heating and cooling unit assembly
Blower motor
Front
Removal and Installation
Remove the glove box assembly. Refer to IP-22, "Removal and
Installation".
Disconnect the harness connector from the blower motor.
Remove the blower motor screws.
Remove ...
Removal and installation
A/C SWITCH ASSEMBLY
Removal and Installation
REMOVAL
Remove the CVT shift selector finisher (CVT: RE0F11A). Refer to TM-253,
"Removal and Installation".
Remove the MT shift selector finisher (6MT: RS6F94R). Refer to TM-22,
"Removal and Installation".
Remove the A/ ...
System
System Description
Operation description
A/C control transmits rear window defogger switch signal to A/C auto
amp. when rear window defogger
switch turns ON while ignition switch is ON.
A/C auto amp. transmits rear window defogger switch signal to BCM
Bcm transmits rear window defogg ...