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:

P1715 Input speed sensor
Description ECM receives input speed sensor signal from TCM through CAN communication line. ECM uses this signal for engine control. DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1715 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. If DTC P1715 is displa ...

Symptom diagnosis
HEATER AND AIR CONDITIONING SYSTEM CONTROL SYMPTOMS Symptom Table INSUFFICIENT COOLING Component Function Check Symptom: insufficient cooling Inspection flow 1. Confirm symptom by performing operation check - temperature decrease Press the a/c switch. Turn temperature control dial c ...

Cowl top
Exploded view Cowl top seal Cowl top grille cap Cowl top cover Cowl top extension Cowl top extension insulator Clip EPT seal [t: 3.0 mm (0.12 in) Cowl top cover cap EPT seal [t: 5.0 mm (0.20 in)] Pawl Clip Front Removal and installation COWL TOP COVER Removal Rem ...

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