Nissan Sentra B18 (2020-2025) Service Manual: Work Flow

Nissan Sentra B18 (2020-2025) Service Manual / Ventilation, Heater & Air Conditioner / Heater & Air Conditioning System :: Basic Inspection / Diagnosis and Repair Work Flow / Work Flow

Work Flow

OVERALL SEQUENCE

DETAILED FLOW

INTERVIEW CUSTOMER
1. Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>>
GO TO 2.
SYMPTOM CHECK
1. Verify symptoms.
>>
GO TO 3.
CHECK FOR DTCS
1. CONSULT
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “HVAC”.
  3. Check DTC.
Is any DTC detected?
YES >>
GO TO 4.
NO >>
GO TO 5.
TROUBLE DIAGNOSIS BY DTC
1. Perform the diagnostic procedure for the detected DTC. Refer to DTC Index (auto A/C) or DTC Index (manual A/C).
>>
GO TO 7.
OPERATION CHECK
1. Perform the operation check. Refer to Work Procedure (auto A/C) or Work Procedure (manual A/C).
>>
GO TO 6.
SYMPTOM DIAGNOSIS
1. Check the symptom diagnosis table. Refer to Symptom Table.
>>
GO TO 8.
VERIFY REPAIR
1. CONSULT
  1. Ignition switch ON.
  2. Select “Self Diagnostic Result” mode of “HVAC”.
  3. Check DTC.
Is any DTC detected?
YES >>
GO TO 4.
NO >>
GO TO 8.
PERFORM FINAL OPERATION CHECK
1. Perform the operation check. Refer to Work Procedure (auto A/C) or Work Procedure (manual A/C).
Does it operate normally?
YES >>
Inspection End.
NO >>
GO TO 2.

Diagnosis and Repair Work Flow

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Heater & Air Conditioning System :: Symptom Diagnosis

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