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:

Dtc/circuit diagnosis
U1000 can comm circuit Description Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description". Dtc logic DTC DETECTION LOGIC CONSULT Display DTC Detection Condition Possible Cause CAN COMM CIRCUIT [U1000] When IPDM E/R cannot communicate with CAN com ...

Outside rear view mirrors
Adjustment procedure 1. To select a mirror to adjust, turn the switch. Left Right 2. To adjust the mirror, operate the switch. Up Right Down Left Folding the mirrors Push the mirror back in the direction of the vehicle's rear. ■Mirror angle can be adjusted when V ...

General maintenance
Explanation of general maintenance General maintenance includes those items which should be checked during the normal day-to-day operation of the vehicle. They are essential if the vehicle is to continue operating properly. The owners can perform checks and inspections themselves or have thei ...

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