Nissan X-Trail 32. Manual - part 1514

LAN-96

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

AVM BRANCH LINE CIRCUIT

AVM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715336

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

Around view monitor control unit

-

BCM

-

Harness connector M11

-

Harness connector B1

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of BCM.

2.

Check the continuity between the BCM harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check the harness and repair the root cause (CAN communication circuit 2 side). Refer to 

LAN-

104, "Diagnosis Procedure"

.

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of around view monitor control unit.

2.

Check the resistance between the around view monitor control unit harness connector terminals.

-

With LDW

-

Without LDW

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the around view monitor control unit branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the around view monitor control unit. Refer to 

AV-241,

"AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the around view monitor control unit. Refer to 

AV-268, "Removal and Installa-

tion"

.

YES (Past error)>>Error was detected in the around view monitor control unit branch line.
NO

>> Repair the power supply and the ground circuit.

BCM harness connector

Continuity

Connector No.

Terminal No.

B87

46

48

Existed

45

49

Existed

Around view monitor control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M101

27

28

Approx. 54 – 66

Around view monitor control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M24

12

10

Approx. 54 – 66

LAN

HVAC BRANCH LINE CIRCUIT

LAN-97

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

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HVAC BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715337

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

A/C auto amp. (With auto A/C)

-

Harness connector M56 (With auto A/C)

-

Harness connector M133 (With auto A/C)

-

A/C amp. (With manual A/C)

-

BCM

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of BCM.

2.

Check the continuity between the BCM harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check the harness and repair the root cause (CAN communication circuit 2 side). Refer to 

LAN-

104, "Diagnosis Procedure"

.

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Connect the connector of BCM.

2.

Disconnect the connector of A/C auto amp. (With auto A/C) or A/C amp. (With manual A/C).

3.

Check the resistance between the A/C auto amp. (With auto A/C) or A/C amp. (With manual A/C) harness
connector terminals.

-

With auto A/C

-

With manual A/C

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the A/C auto amp. (With auto A/C) or A/C amp. (With manual A/C) branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the A/C auto amp. (With auto A/C) or A/C amp. (With manual
A/C). Refer to the following.
• Automatic air conditioning: 

HAC-105, "A/C AUTO AMP. : Diagnosis Procedure"

.

• Manual air conditioning: 

HAC-204, "A/C AMP. : Diagnosis Procedure"

.

BCM harness connector

Continuity

Connector No.

Terminal No.

B87

46

48

Existed

45

49

Existed

A/C auto amp. harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M174

51

71

Approx. 54 – 66

A/C amp. harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M132

7

23

Approx. 54 – 66

LAN-98

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

HVAC BRANCH LINE CIRCUIT

Is the inspection result normal?

YES (Present error)>>Replace the A/C auto amp. (With auto A/C) or A/C amp. (With manual A/C). Refer to

the following.

• Automatic air conditioning: 

HAC-126, "Removal and Installation"

.

• Manual air conditioning: 

HAC-222, "Removal and Installation"

.

YES (Past error)>>Error was detected in the A/C auto amp. (With auto A/C) or A/C amp. (With manual A/C)

branch line.

NO

>> Repair the power supply and the ground circuit.

LAN

ICC BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT)

LAN-99

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

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ICC BRANCH LINE CIRCUIT (CAN COMMUNICATION CIRCUIT)

Diagnosis Procedure

INFOID:0000000010715338

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the following terminals and connectors for damage, bend and loose connection (unit side and con-
nector side).

-

Distance sensor

-

Harness connector M77

-

Harness connector E105

-

BCM

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of BCM.

2.

Check the continuity between the BCM harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check the harness and repair the root cause (CAN communication circuit 2 side). Refer to 

LAN-

104, "Diagnosis Procedure"

.

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Connect the connector of BCM.

2.

Disconnect the connector of distance sensor.

3.

Check the resistance between the distance sensor harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the distance sensor branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the distance sensor. Refer to 

BRC-300, "Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES (Present error)>>Replace the distance sensor. Refer to 

BRC-304, "Removal and Installation"

.

YES (Past error)>>Error was detected in the distance sensor branch line.
NO

>> Repair the power supply and the ground circuit.

BCM harness connector

Continuity

Connector No.

Terminal No.

B87

46

48

Existed

45

49

Existed

Distance sensor harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E78

2

3

Approx. 54 – 66