Nissan X-Trail 32. Manual - part 1511

LAN-84

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

EHS/PKB BRANCH LINE CIRCUIT

EHS/PKB BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715324

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 electric parking brake control module 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 electric parking brake control module.

2.

Check the resistance between the electric parking brake control module harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the electric parking brake control module branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the electric parking brake control module. Refer to 

PB-145,

"Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the electric parking brake control module. Refer to 

PB-153, "Removal and

Installation"

.

YES (Past error)>>Error was detected in the electric parking brake control module branch line.
NO

>> Repair the power supply and the ground circuit.

Electric parking brake control module harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M137

16

17

Approx. 54 – 66

LAN

ESCL BRANCH LINE CIRCUIT

LAN-85

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ESCL BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715325

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 steering lock 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 steering lock unit.

2.

Check the resistance between the steering lock unit harness connector terminals (between CAN-H and
CAN-L).

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the steering lock unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the steering lock unit.
Is the inspection result normal?

YES (Present error)>>Replace the steering lock unit.
YES (Past error)>>Error was detected in the steering lock unit branch line.
NO

>> Repair the power supply and the ground circuit.

Resistance (

Ω

)

Approx. 54 – 66

LAN-86

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

M&A BRANCH LINE CIRCUIT

M&A BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715326

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 combination meter 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 combination meter.

2.

Check the resistance between the combination meter harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the combination meter branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the combination meter. Refer to  

MWI-129, "COMBINATION

METER : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the combination meter. Refer to  

MWI-151, "Removal and Installation"

.

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

>> Repair the power supply and the ground circuit.

Combination meter harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M42

41

42

Approx. 54 – 66

LAN

A-BAG BRANCH LINE CIRCUIT

LAN-87

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

A-BAG BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000010715327

WARNING:

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

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 air bag diagnosis sensor unit for damage, bend and loose con-
nection (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the main harness.

2.

CHECK AIR BAG DIAGNOSIS SENSOR UNIT

Check the air bag diagnosis sensor unit. Refer to 

SRC-28, "Work Flow"

.

Is the inspection result normal?

YES

>> Replace the main harness.

NO

>> Replace parts whose air bag system has a malfunction.