Nissan Qashqai J11. Manual - part 1859

LAN

DIAGNOSIS AND REPAIR WORKFLOW

LAN-29

< BASIC INSPECTION >

[CAN FUNDAMENTAL]

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• When a CAN communication system error is present, multiple control units may malfunction or go into fail-

safe mode.

• Indication of the combination meter is important to detect the root cause because it is the most obvious to

the customer, and it performs CAN communication with many units.

>> GO TO 2.

2.

INSPECTION OF VEHICLE CONDITION

Check whether the symptom is reproduced or not.
NOTE:
Do not turn the ignition switch OFF or disconnect the 12V battery cable while reproducing the error. The error
may temporarily correct itself, making it difficult to determine the root cause.

>> GO TO 3.

3.

CHECK OF CAN SYSTEM TYPE (HOW TO USE CAN SYSTEM TYPE SPECIFICATION CHART)

Determine CAN system type based on vehicle equipment.
NOTE:
• This chart is used if CONSULT does not automatically recognize CAN system type.
• There are two styles for CAN system type specification charts. Depending on the number of available sys-

tem types, either style A or style B may be used.

• CAN System Type Specification Chart (Style A)

NOTE:

SKIB8717E

LAN-30

< BASIC INSPECTION >

[CAN FUNDAMENTAL]

DIAGNOSIS AND REPAIR WORKFLOW

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

• CAN System Type Specification Chart (Style B)

NOTE:

JSMIA0529GB

LAN

DIAGNOSIS AND REPAIR WORKFLOW

LAN-31

< BASIC INSPECTION >

[CAN FUNDAMENTAL]

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

>> GO TO 4.

4.

CREATE INTERVIEW SHEET

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

JSMIA0530GB

LAN-32

< BASIC INSPECTION >

[CAN FUNDAMENTAL]

DIAGNOSIS AND REPAIR WORKFLOW

Interview Sheet (Example)

>> GO TO 5.

5.

DETECT THE ROOT CAUSE

CAN diagnosis function of CONSULT detects a root cause.

>> GO TO 6.

6.

REPAIR OR REPLACE MALFUNCTIONING PART

Repair or replace malfunctioning parts identified by CAN diagnosis function of CONSULT.

Main line>>Refer to 

LAN-75, "Main Line"

.

Branch line>>Refer to 

LAN-75, "Branch Line"

.

Short circuit>> Refer to 

LAN-75, "Short Circuit"

.

JSMIA0531GB