Nissan Sentra manuals

Nissan Sentra Service Manual: Basic inspection

Diagnosis and repair workflow

Work Flow

Detailed flow

1.Interview from the customer

Clarify customer complaints before inspection. First of all, perform an interview utilizing stc-20, "diagnostic work sheet" and reproduce symptoms as well as fully understand it. Ask customer about his/her complaints carefully. Check symptoms by driving vehicle with customer, if necessary.

Caution:

Customers are not professional. Never guess easily like “maybe the customer means that...,” Or “maybe the customer mentions this symptom”.

>> Go to 2.

2.Check symptom

Reproduce the symptom that is indicated by the customer, based on the information from the customer obtained by interview. Also check that the symptom is not caused by protection function. Refer to STC-13, "Protection Function".

Caution:

When the symptom is caused by normal operation, fully inspect each portion and obtain the understanding of customer that the symptom is not caused by a malfunction.

>> Go to 3.

3.Perform self-diagnosis

Perform self-diagnosis. With consult


Perform self-diagnosis.

Is any dtc detected? Yes >> record or print dtc and freeze frame data (ffd). Go to 4.

No >> go to 6.

4.Recheck symptom

With consult


  1. Erase self-diagnostic results.

  2. Perform dtc confirmation procedures for the malfunctioning system.

Note:

If some DTCs are detected at the same time, determine the order for performing the diagnosis based on STC- 14, "DTC Inspection Priority Chart".

Is any dtc detected? Yes >> go to 5.

No >> check harness and connectors based on the information obtained by interview. Refer to gi-39, "intermittent incident".

5.Repair or replace malfunctioning parts

>> Go to 7.

6.Identify malfunctioning system by symptom diagnosis

Estimate malfunctioning system based on symptom diagnosis and perform inspection.

Can the malfunctioning system be identified?

Yes >> go to 7.

No >> check harness and connectors based on the information obtained by interview. Refer to gi-39, "intermittent incident".

7.Final check

With consult


  1. Check the reference value for eps control unit.

  2. Recheck the symptom and check that symptom is not reproduced on the same conditions.

Is the symptom reproduced? YES >> GO TO 3.

NO >> Inspection End.

Diagnostic Work Sheet

Description

Interview sheet sample


DTC/circuit diagnosis


Wiring diagram
Power steering control system Wiring Diagram ...

DTC/circuit diagnosis
...

Other materials:

Tire labeling
Federal law requires tire manufacturers to place standardized information on the sidewall of all tires. This information identifies and describes the fundamental characteristics of the tire and also provides the tire identification number (TIN) for safety standard certification. The TIN can b ...

Parking, license plate and tail lamps are not turned on
Description The parking, license plate and tail lamps do not turn on in with any lighting switch setting. Diagnosis procedure 1.Combination switch (lighting and turn signal switch) inspection Check the combination switch (lighting and turn signal switch). Refer to BCS-72, "Symptom Table ...

P0603 ECM
DTC Logic DTC DETECTION LOGIC DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause P0603 ECM BACK UP CIRCUIT [Internal control module keep alive memory (KAM) error] Malfunction in the internal back up RAM o ...

© 2014-2021 Copyright www.nisentra.com