Nissan X-Trail 32. Manual - part 1513

LAN-92

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

PWBD BRANCH LINE CIRCUIT

PWBD BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715332

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the automatic back door control unit for damage, bend and loose
connection (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of automatic back door control unit.

2.

Check the resistance between the automatic back door control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the automatic back door control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the automatic back door control unit. Refer to 

DLK-205,

"AUTOMATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure"

 (RHD models) or 

DLK-517, "AUTO-

MATIC BACK DOOR CONTROL UNIT : Diagnosis Procedure"

 (LHD models).

Is the inspection result normal?

YES (Present error)>>Replace the automatic back door control unit. Refer to 

DLK-327, "Removal and Instal-

lation"

 (RHD models) or 

DLK-633, "Removal and Installation"

 (LHD models).

YES (Past error)>>Error was detected in the automatic back door control unit branch line.
NG

>> Repair the power supply and the ground circuit.

Automatic back door control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B24

24

12

Approx. 54 – 66

LAN

SONAR BRANCH LINE CIRCUIT

LAN-93

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

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SONAR BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715333

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).

-

Sonar control unit

-

Harness connector B8

-

Harness connector B60

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of sonar control unit.

2.

Check the resistance between the sonar control unit harness connector terminals.

-

Without Park Assist

-

With Park Assist

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the sonar control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the sonar control unit. Refer to 

SN-106, "SONAR CONTROL

UNIT : Diagnosis Procedure"

 (without Park Assist) or 

SN-233, "SONAR CONTROL UNIT : Diagnosis Proce-

dure"

 (with Park Assist).

Is the inspection result normal?

YES (Present error)>>Replace the sonar control unit. Refer to 

SN-111, "Removal and Installation"

 (without

Park Assist) or 

SN-237, "Removal and Installation"

 (with Park Assist).

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

>> Repair the power supply and the ground circuit.

Sonar control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B101

5

6

Approx. 54 – 66

Sonar control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B129

24

23

Approx. 54 – 66

LAN-94

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

BCM BRANCH LINE CIRCUIT

BCM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715334

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and
connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of BCM.

2.

Check the resistance between the BCM harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the BCM branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the BCM. Refer to 

BCS-114, "Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the BCM. Refer to 

BCS-121, "Removal and Installation"

.

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

>> Repair the power supply and the ground circuit.

BCM harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B47

20

40

Approx. 108 – 132

LAN

AV BRANCH LINE CIRCUIT

LAN-95

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

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AV BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715335

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).

-

NAVI control unit

-

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.

Disconnect the connector of NAVI control unit.

2.

Check the resistance between the NAVI control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the AV control unit branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the NAVI control unit. Refer to 

AV-241, "NAVI CONTROL

UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the NAVI control unit. Refer to 

AV-262, "Removal and Installation"

.

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

>> Repair the power supply and the ground circuit.

BCM harness connector

Continuity

Connector No.

Terminal No.

M87

46

48

Existed

45

49

Existed

NAVI control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M27

8

17

Approx. 54 – 66