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:

System description
Component parts Component part location ECM IPDM E/R BCM (view with instrument panel removed) A/C auto amp. (view with A/C switch assembly removed) A/C switch assembly A/C Compressor Refrigerant pressure sensor (view with front bumper fascia removed) Ambient sensor S ...

Bluetooth® Hands-Free Phone System without Navigation System (Type A) (if so equipped)
WARNING Use a phone after stopping your vehicle in a safe location. If you have to use a phone while driving, exercise extreme caution at all times so full attention may be given to vehicle operation. If you are unable to devote full attention to vehicle operation ...

Can communication circuit
Diagnosis procedure 1.CONNECTOR INSPECTION Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on CAN communication system. Check terminals and connectors for damage, bend and loose connection. Is the inspection resu ...

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