Nissan Sentra B18 (2020-2025) Service Manual: Diagnosis and Repair Workflow

Nissan Sentra B18 (2020-2025) Service Manual / Driver Information & Multimedia / Meter, Warning Lamp & Indicator :: Type B / Basic Inspection / Diagnosis and Repair Workflow

Work Flow

Work flow

OVERALL SEQUENCE

Reference 1: On Board Diagnosis Function.
Reference 2: DTC Index.
Reference 3: Diagnosis Procedure.
Reference 4: Component Inspection.
Reference 5: Diagnosis Procedure.

DETAILED FLOW

OBTAIN INFORMATION ABOUT SYMPTOM
1. Interview the customer to obtain as much information as possible about the conditions and environment under which the malfunction occurred.
>>
GO TO 2.
CHECK SYMPTOM
1. - Check the symptom based on the information obtained from the customer.
  - Check that any other malfunctions are present.
>>
GO TO 3.
CHECK ON BOARD DIAGNOSIS OPERATION
1. Check that the on board diagnosis function operates. Refer to On Board Diagnosis Function.
Is the inspection result normal?
YES >>
GO TO 4.
NO >>
GO TO 6.
CHECK CONSULT SELF DIAGNOSTIC RESULT
1. CONSULT
  1. Select “Self Diagnostic Result” mode of “METER/M&A”. Refer to DTC Index.
  2. When DTC is detected, follow the instructions below:
    - Record DTC and Freeze Frame Data.
Is the inspection result normal?
YES >>
GO TO 5.
NO >>
GO TO 10.
NARROW DOWN THE MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS
1. Perform symptom diagnosis and narrow down the malfunctioning parts.
>>
GO TO 10.
CHECK TRIP RESET SWITCH SIGNAL CIRCUIT
1. Check trip reset switch signal circuit. Refer to Diagnosis Procedure.
Is inspection result normal?
YES >>
GO TO 7.
NO >>
GO TO 10.
CHECK TRIP RESET SWITCH
1. Check trip reset switch. Refer to Component Inspection.
Is inspection result normal?
YES >>
GO TO 8.
NO >>
GO TO 10.
CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUITS
1. Check combination meter power supply and ground circuits. Refer to Diagnosis Procedure.
Is inspection result normal?
YES >>
GO TO 9.
NO >>
GO TO 10.
REPLACE COMBINATION METER
1. Replace combination meter. Refer to Removal and Installation.
>>
GO TO 11.
REPAIR OR REPLACE MALFUNCTIONING PARTS
1. Repair or replace the malfunctioning parts.
  Note:
  If DTC is displayed, erase DTC after repair or replace malfunctioning parts.
>>
GO TO 11.
FINAL CHECK
1. Check that the combination meter operates normally.
Is the inspection result normal?
YES >>
Inspection End.
NO >>
GO TO 1.

Basic Inspection

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Diagnosis and Repair Workflow
Work Flow Work Flow OVERALL SEQUENCE DETAILED FLOW GET INFORMATION FOR SYMPTOM Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurred). ...

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