Nissan Qashqai (2007-2010). Manual — part 1512

LAN

MAIN LINE BETWEEN ABS AND BCM CIRCUIT

LAN-73

< COMPONENT DIAGNOSIS >

[CAN]

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MAIN LINE BETWEEN ABS AND BCM CIRCUIT

Diagnosis Procedure

INFOID:0000000000977599

INSPECTION PROCEDURE

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 (connector side
and harness side).

-

Harness connector E105

-

Harness connector M77

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

ABS actuator and electric unit (control unit)

-

Harness connectors E105 and M77

2.

Check the continuity between the ABS actuator and electric unit (control unit) and the harness connector.

-

Models with ESP

-

Models with ABS

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the ABS actuator and electric unit (control unit) harness connector

and the harness connector E105.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of BCM.

2.

Check the continuity between the harness connector and the BCM harness connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the ABS actuator and electric unit (control

unit) and the BCM.

NO

>> Repair the main line between the harness connector M77 and the BCM.

ABS actuator and electric unit (control unit)

harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E36

26

E105

52

Existed

15

51

Existed

ABS actuator and electric unit (control unit)

harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E34

26

E105

52

Existed

15

51

Existed

Harness connector

BCM harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M77

52

M65

19

Existed

51

20

Existed

LAN-74

< COMPONENT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN ABS AND TCM CIRCUIT

MAIN LINE BETWEEN ABS AND TCM CIRCUIT

Diagnosis Procedure

INFOID:0000000000968770

INSPECTION PROCEDURE

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

ECM

-

ABS actuator and electric unit (control unit)

-

Harness connectors E7 and F121

4.

Check the continuity between the ABS actuator and electric unit (control unit) harness connector and the
harness connector.

-

Models with ESP

-

Models with ABS

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the ABS actuator and electric unit (control

unit) and the harness connector E7.

NO

>> Repair the main line between the ABS actuator and electric unit (control unit) and the TCM.

ABS actuator and electric unit (control unit)

harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E36

26

E7

2

Existed

15

1

Existed

ABS actuator and electric unit (control unit)

harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E34

26

E7

2

Existed

15

1

Existed

LAN

MAIN LINE BETWEEN TCM AND BCM CIRCUIT

LAN-75

< COMPONENT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MAIN LINE BETWEEN TCM AND BCM CIRCUIT

Diagnosis Procedure

INFOID:0000000000968771

INSPECTION PROCEDURE

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 (connector side
and harness side).

-

Harness connector E105

-

Harness connector M77

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

Harness connector F121 and E7

-

Harness connector E105 and M77

2.

Check the continuity between the harness connectors.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the harness connectors E7 and E105.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of BCM.

2.

Check the continuity between the harness connector and the BCM harness connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the TCM and the BCM.
NO

>> Repair the main line between the harness connector M77 and the BCM.

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E7

2

E105

52

Existed

1

51

Existed

Harness connector

BCM harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M77

52

M65

19

Existed

51

20

Existed

LAN-76

< COMPONENT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN BCM AND DLC CIRCUIT

MAIN LINE BETWEEN BCM AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000000968772

INSPECTION PROCEDURE

1.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Disconnect the following harness connectors.

-

ECM

-

BCM

4.

Check the continuity between the BCM harness connector and the data link connector.

Is the inspection result normal?

YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the BCM and the data link connector.
NO

>> Repair the main line between the BCM and the data link connector.

BCM harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M65

19

M4

6

Existed

20

14

Existed