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:

Front fog lamp
Removal and Installation FOG LAMP Removal Position the fender protector aside. Refer to EXT-28, "FENDER PROTECTOR : Removal and Installation - Front Fender Protector". Disconnect the harness connector from the front fog lamp. Remove the screws and the front fog lamp. Inst ...

Push-Button Ignition Switch (if so equipped)
WARNINGDo not operate the push-button ignition switch while driving the vehicle except in an emergency. (The engine will stop when the ignition switch is pushed 3 consecutive times in quick succession or the ignition switch is pushed and held for more than 2 seconds.) If ...

Manual operation
Fan speed control Press the fan control buttons to manually control the fan speed. Press the AUTO button to return to automatic control of the fan speed. Air recirculation Press the air recirculation button to recirculate interior air inside the vehicle. The indicator light on the b ...

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