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

Work Flow

OVERALL SEQUENCE

• Reference 1··· Refer to CONSULT Function.

• Reference 2··· Refer to DTC Index.

• Reference 3··· Refer to Symptom Table.

DETAILED FLOW

1. INTERVIEW AND SYMPTOM CONFIRMATION

   1. Check the malfunction symptoms by performing the following items:

      • Interview the customer to obtain the malfunction information (conditions and environment when the malfunction occurred).

      • Check the symptom.

   Is the occurred symptom malfunction?

   YES>>

   GO TO 2.

   NO>>

   Inspection End.

2. DIAGNOSIS WITH CONSULT

   1. CONSULT

      1. Select “Self Diagnostic Result” mode of “MULTI AV”. Refer to CONSULT Function.

         Note:

         Skip to step 4 of the diagnosis procedure if “MULTI AV” is not displayed.

      2. When DTC is detected, follow the instructions below:

         • Record DTC and Freeze Frame Data.

   Is DTC displayed?

   YES>>

   GO TO 3.

   NO>>

   GO TO 4.

3. TROUBLE DIAGNOSIS FOR DTC

   1. CONSULT

      1. Check the DTC indicated in the “Self Diagnostic Result”.

      2. Perform the relevant diagnosis referring to the DTC Index. Refer to DTC Index.

   >>

   GO TO 5.

4. TROUBLE DIAGNOSIS FOR SYMPTOMS

   1. Perform the relevant diagnosis referring to the diagnosis chart by symptom. Refer to Symptom Table.

   >>

   GO TO 5.

5. ERROR PART REPAIR

   1. CONSULT

      1. Repair or replace the identified malfunctioning parts.

      2. Select “Self Diagnostic Result” mode of “MULTI AV”.

         Note:

         Erase the stored self-diagnosis results after repairing or replacing the relevant components if any DTC has been indicated in the “Self Diagnostic Result”.

      3. Check that the symptom does not occur.

   Does the symptom occur?

   YES>>

   GO TO 1.

   NO>>

   Inspection End.

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