Nissan Pathfinder. Manual — part 870

MWI-52

< BASIC INSPECTION >

DIAGNOSIS AND REPAIR WORK FLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORK FLOW

Work flow

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OVERALL SEQUENCE

DETAILED FLOW

1.

OBTAIN INFORMATION ABOUT SYMPTOM

Interview the customer to obtain as much information as possible about the conditions and environment under

which the malfunction occurred.

>> GO TO 2.

2.

CHECK SYMPTOM

• Check the symptom based on the information obtained from the customer.

• Check if any other malfunctions are present.

>> GO TO 3.

3.

CHECK CONSULT SELF-DIAGNOSIS RESULTS

Connect CONSULT and perform self-diagnosis. Refer to

MWI-29, "DTC Index"

.

AWNIA2375GB

MWI

DIAGNOSIS AND REPAIR WORK FLOW

MWI-53

< BASIC INSPECTION >

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Are self-diagnosis results normal?

YES

>> GO TO 4.

NO

>> GO TO 5.

4.

NARROW DOWN MALFUNCTIONING PARTS BY SYMPTOM DIAGNOSIS

Perform symptom diagnosis and narrow down the malfunctioning parts.

>> GO TO 5.

5.

REPAIR OR REPLACE MALFUNCTIONING PARTS

Repair or replace malfunctioning parts.

NOTE:

If DTC is displayed, erase DTC after repairing or replacing malfunctioning parts.

>> GO TO 6.

6.

FINAL CHECK

Check that the warning buzzer in the combination meter operates normally.
Does it operate normally?

YES

>> Inspection End.

NO

>> GO TO 1.

MWI-54

< DTC/CIRCUIT DIAGNOSIS >

U1000 CAN COMM CIRCUIT

DTC/CIRCUIT DIAGNOSIS

U1000 CAN COMM CIRCUIT

DTC Logic

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DTC DETECTION LOGIC

Diagnosis Procedure

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1.

CHECK CAN COMMUNICATION

Select Self-Diagnosis Results mode for METER/M&A with CONSULT.

>> GO TO LAN system. Refer to

LAN-20, "Trouble Diagnosis Flow Chart"

.

DTC

CONSULT Display

Detection Condition

Possible Cause

U1000

CAN COMM CIRC
[U1000]

When combination meter is not receiving CAN communication sig-
nals for 2 seconds or more.

Combination meter

MWI

U1010 CONTROL UNIT (CAN)

MWI-55

< DTC/CIRCUIT DIAGNOSIS >

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U1010 CONTROL UNIT (CAN)

Description

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Initial diagnosis of combination meter.

DTC Logic

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DTC DETECTION LOGIC

Diagnosis Procedure

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1.

REPLACE COMBINATION METER

When DTC U1010 is detected, replace combination meter. Refer to

MWI-82, "Removal and Installation"

.

>> Inspection End.

DTC

CONSULT Display

Detection Condition

Possible Cause

U1010

CONTROL UNIT (CAN)
[U1010]

When detecting error during the initial diagnosis of the CAN controller
of combination meter.

Combination meter