Nissan Sentra manuals

Nissan Sentra Service Manual: Basic inspection

Diagnosis and repair workflow

Trouble diagnosis flow chart

Trouble diagnosis procedure


Trouble diagnosis procedure

Interview with customer

Interview with the customer is important to detect the root cause of can communication system errors and to understand vehicle condition and symptoms for proper trouble diagnosis.

Points in interview

Notes for checking error symptoms:

Example: Circuit between ECM and the combination meter is judged normal if the customer indicates tachometer functions normally.

Inspection of vehicle condition


Inspection of vehicle condition

Check whether the symptom is reproduced or not.

Note:

Do not turn the ignition switch off or disconnect the battery cable while reproducing the error. The error may temporarily correct itself, making it difficult to determine the root cause.

Check of can system type (how to use can system type specification chart)

Determine can system type based on vehicle equipment.

Note:

CAN System Type Specification Chart (Style A)

Note:

Can system type is easily checked with the vehicle equipment identification information shown in the chart.

Can system type specification chart (style b)


Can system type specification chart (style b)

Note:

Can system type is easily checked with the vehicle equipment identification information shown in the chart.

Create interview sheet


Create interview sheet

Fill out the symptom described by the customer, vehicle condition, and can system type on the interview sheet.

Interview sheet (example)

Detect the root cause


Detect the root cause

Can diagnosis function of consult detects the root cause.

System description
System Can communication system Can communication system : system description CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle multiplex ...

Can
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Other materials:

A-bag branch line circuit
Diagnosis procedure Warning: Always observe the following items for preventing accidental activation. Before servicing, turn ignition switch off, disconnect battery negative terminal, and wait 3 minutes or more. (To discharge backup capacitor.) Never use unspecified tester or other me ...

Rear door
Door assembly DOOR ASSEMBLY : Removal and Installation CAUTION: Use two people when removing or installing the rear door assembly due to its heavy weight. When removing and installing rear door assembly, support rear door with a suitable tool. REMOVAL   Remove rear do ...

The oil pressure warning lamp does not turn on
Description The oil pressure warning lamp stays off when the ignition switch is turned on. Diagnosis procedure 1.Check combination meter oil pressure warning light Select METER/M&A on CONSULT. Observe oil w/l data monitor while operating the ignition switch. Is the inspection r ...

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