Nissan Qashqai (2007-2010). Manual - part 1846

LAN

ABS BRANCH LINE CIRCUIT

LAN-1409

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 96)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ABS BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001059194

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 ABS actuator and electric unit (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 ABS actuator and electric unit (control unit).

2.

Check the resistance between the ABS actuator and electric unit (control unit) harness connector termi-
nals.

-

Models with ESP

-

Models with ABS

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the ABS actuator and electric unit (control unit) branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the ABS actuator and electric unit (control unit). Refer to the
following.
• ABS models: 

BRC-26, "Diagnosis Procedure"

• ESP models: 

BRC-106, "Diagnosis Procedure"

Is the inspection result normal?

YES (Present error)>>•Replace the ABS actuator and electric unit (control unit). Refer to 

BRC-70, "Exploded

View"

.

YES (Past error)>>Error was detected in the ABS actuator and electric unit (control unit) branch line.
NO

>> Repair the power supply and the ground circuit.

ABS actuator and electric unit (control unit) harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E36

26

15

Approx. 54 – 66

ABS actuator and electric unit (control unit) harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E34

26

15

Approx. 54 – 66

LAN-1410

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 96)]

TCM BRANCH LINE CIRCUIT

TCM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001059195

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).

-

TCM

-

Harness connector F121

-

Harness connector E7

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 TCM.

2.

Check the resistance between the TCM harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the TCM branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

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

TM-265, "Diagnosis Procedure"

.

Is the inspection result normal?

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

TM-325, "Exploded View"

.

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

>> Repair the power supply and the ground circuit.

TCM harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

F25

32

31

Approx. 54 – 66

LAN

4WD BRANCH LINE CIRCUIT

LAN-1411

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 96)]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

4WD BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001059196

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 4WD control unit connector for damage, bend and loose con-
nection (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 4WD control unit.

2.

Check the resistance between the 4WD control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the 4WD control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the 4WD control unit. Refer to 

DLN-26, "Diagnosis Proce-

dure"

.

Is the inspection result normal?

YES (Present error)>>•Replace the 4WD control unit. Refer to the following.

- RHD models: 

DLN-56, "RHD : Exploded View"

- LHD models: 

DLN-56, "LHD : Exploded View"

YES (Past error)>>Error was detected in the 4WD control unit branch line.
NG

>> Repair the power supply and the ground circuit.

4WD control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M69

8

16

Approx. 54 – 66

LAN-1412

< COMPONENT DIAGNOSIS >

[CAN SYSTEM (TYPE 96)]

BCM BRANCH LINE CIRCUIT

BCM BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000001059197

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-34, "Diagnosis Procedure"

.

Is the inspection result normal?

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

BCS-64, "Exploded View"

.

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.

M65

19

20

Approx. 54 – 66