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:

Servicing air conditioner (if so equipped)
The air conditioner system in your NISSAN vehicle is charged with a refrigerant designed with the environment in mind. This refrigerant does not harm the earth’s ozone layer. Special charging equipment and lubricant is required when servicing your NISSAN air conditioner. Using improper re ...

System description
Component parts Body control system Body control system : component parts location BCM (view with instrument panel removed) Combination switch reading system Combination switch reading system : component parts location BCM (view with combination meter removed) Combination s ...

NISSAN vehicle immobilizer system (if so equipped)
The NISSAN Vehicle Immobilizer System will not allow the engine to start without the use of a registered key. If the engine fails to start using a registered key (for example, when interference is caused by another registered key, an automated toll road device or automatic payment device on ...

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