Qashqai J11. Lan system - part 4

LAN

CAN SYSTEM

LAN-65

< WIRING DIAGRAM >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

JRMWG7358GB

LAN-66

< WIRING DIAGRAM >

[CAN]

CAN SYSTEM

JRMWG7359GB

LAN

CAN SYSTEM

LAN-67

< WIRING DIAGRAM >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

JRMWG7360GB

LAN-68

< WIRING DIAGRAM >

[CAN]

CAN SYSTEM

JRMWG7361GB

LAN

CAN SYSTEM

LAN-69

< WIRING DIAGRAM >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

JRMWG7362GB

LAN-70

< WIRING DIAGRAM >

[CAN]

CAN SYSTEM

JRMWG7363GB

LAN

CAN SYSTEM

LAN-71

< WIRING DIAGRAM >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

JRMWG7364GB

LAN-72

< WIRING DIAGRAM >

[CAN]

CAN SYSTEM

JRMWG7365GB

LAN

CAN SYSTEM

LAN-73

< WIRING DIAGRAM >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

JRMWG7366GB

LAN-74

< BASIC INSPECTION >

[CAN]

DIAGNOSIS AND REPAIR WORKFLOW

BASIC INSPECTION

DIAGNOSIS AND REPAIR WORKFLOW

Interview Sheet

INFOID:0000000010272930

NOTE:
Refer to 

LAN-28, "Trouble Diagnosis Flow Chart"

 for how to use interview sheet.

SKIB8898E

LAN

MALFUNCTION AREA CHART

LAN-75

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

DTC/CIRCUIT DIAGNOSIS

MALFUNCTION AREA CHART

Main Line

INFOID:0000000010272931

Branch Line

INFOID:0000000010272932

Short Circuit

INFOID:0000000010272933

Malfunction area

Reference

Main line between ABS actuator and electric unit (control unit) and data link con-
nector

LAN-76, "Diagnosis Procedure"

Main line between data link connector and chassis control module connector

LAN-77, "Diagnosis Procedure"

Main line between chassis control module and 4WD control unit

LAN-78, "Diagnosis Procedure"

Main line between A/C auto amp. and front camera unit connector (With auto-
matic air conditioner)

LAN-79, "Diagnosis Procedure"

Main line between A/C amp. and front camera unit connector (Except automatic 
air conditioner)

Malfunction area

Reference

ECM branch line circuit 

LAN-81, "Diagnosis Procedure"

ABS actuator and electric unit (control unit) branch line circuit 

LAN-83, "Diagnosis Procedure"

IPDM E/R branch line circuit 

LAN-84, "Diagnosis Procedure"

TCM branch line circuit

LAN-85, "Diagnosis Procedure"

Data link connector branch line circuit 

LAN-87, "Diagnosis Procedure"

Electric park brake control unit branch line

LAN-88, "Diagnosis Procedure"

EPS control unit branch line circuit

LAN-89, "Diagnosis Procedure"

Steering lock unit branch line circuit

LAN-90, "Diagnosis Procedure"

Combination meter branch line circuit 

LAN-91, "Diagnosis Procedure"

Steering angle sensor branch line circuit 

LAN-92, "Diagnosis Procedure"

Air bag diagnosis sensor unit branch line circuit

LAN-93, "Diagnosis Procedure"

Chassis control module branch line circuit

LAN-94, "Diagnosis Procedure"

Sonar control unit branch line circuit

LAN-95, "Diagnosis Procedure"

4WD control unit branch line circuit

LAN-96, "Diagnosis Procedure"

BCM branch line circuit 

LAN-97, "Diagnosis Procedure"

NAVI control unit branch line circuit 

LAN-98, "Diagnosis Procedure"

Around view monitor control unit branch line circuit 

LAN-99, "Diagnosis Procedure"

A/C auto amp. branch line circuit (With automatic air conditioner)

LAN-100, "Diagnosis Procedure"

A/C amp. branch line circuit (Except automatic air conditioner)

Front camera unit branch line circuit 

LAN-102, "Diagnosis Procedure"

Distance sensor branch line circuit (CAN communication circuit 2)

LAN-103, "Diagnosis Procedure"

Distance sensor branch line circuit (Chassis communication circuit)

LAN-104, "Diagnosis Procedure"

Malfunction area

Reference

CAN communication circuit 1

LAN-105, "Diagnosis Procedure"

CAN communication circuit 2

LAN-107, "Diagnosis Procedure"

Chassis communication circuit

LAN-109, "Diagnosis Procedure"

LAN-76

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN ABS AND DLC CIRCUIT

MAIN LINE BETWEEN ABS AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000010272935

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 E16

-

Harness connector M32

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 E16 and M32

2.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

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

connector E16.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check the continuity between the 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 ABS actuator and electric unit (control

unit) and the data link connector. 

NO

>> Repair the main line between the harness connector M32 and the data link connector.

ABS actuator and electric unit (control unit) harness 

connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E18

26

E16

40

Existed

14

41

Existed

Harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M32

40

M21

6

Existed

41

14

Existed

LAN

MAIN LINE BETWEEN DLC AND CCM CIRCUIT

LAN-77

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MAIN LINE BETWEEN DLC AND CCM CIRCUIT

Diagnosis Procedure

INFOID:0000000010272938

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

-

Chassis control module

4.

Check the continuity between the data link connector and the chassis control module 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 data link connector and the chassis con-

trol module. 

NO

>> Repair the main line between the data link connector and the chassis control module.

Data link connector

Chassis control module harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M21

6

M43

4

Existed

14

3

Existed

LAN-78

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN CCM AND 4WD CIRCUIT

MAIN LINE BETWEEN CCM AND 4WD CIRCUIT

Diagnosis Procedure

INFOID:0000000010272939

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 M15

-

Harness connector B19

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.

-

Chassis control module

-

Harness connectors M15 and B19

2.

Check the continuity between the chassis control module harness connector and the harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the chassis control module and the harness connector M15.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of 4WD control unit.

2.

Check the continuity between the harness connector and the 4WD control unit.

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 chassis control module and the 4WD

control unit. 

NO

>> Repair the main line between the harness connector B19 and the 4WD control unit.

Chassis control module harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M43

4

M15

25

Existed

3

24

Existed

Harness connector

4WD control unit harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B19

25

B1

8

Existed

24

16

Existed

LAN

MAIN LINE BETWEEN HVAC AND LANE CIRCUIT

LAN-79

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MAIN LINE BETWEEN HVAC AND LANE CIRCUIT

Diagnosis Procedure

INFOID:0000000010272941

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 M58

-

Harness connector R4

Is the inspection result normal?

YES-1 >> With automatic air conditioner: GO TO 2.
YES-2 >> Except automatic air conditioner: GO TO 4.
NO

>> Repair the terminal and connector.

2.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

Harness connectors M42 and M137

-

Harness connectors M58 and R4

2.

Check the continuity between the harness connector terminals.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the A/C auto amp. and the harness connector M58.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of front camera unit.

2.

Check the continuity between the harness connector and the front camera unit 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 A/C auto amp. and the front camera unit. 
NO

>> Repair the main line between the harness connector R4 and the front camera unit.

4.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

-

A/C amp.

-

Harness connectors M58 and R4

2.

Check the continuity between the A/C amp. harness connector and the harness connector.

Is the inspection result normal?

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M42

7

M58

13

Existed

23

14

Existed

Harness connector

Front camera unit harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

R4

13

R1

2

Existed

14

3

Existed

A/C amp. harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M50

7

M58

13

Existed

23

14

Existed

LAN-80

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN HVAC AND LANE CIRCUIT

YES

>> GO TO 5.

NO

>> Repair the main line between the A/C amp. and the harness connector M58.

5.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of front camera unit.

2.

Check the continuity between the harness connector and the front camera unit 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 A/C amp. and the front camera unit. 
NO

>> Repair the main line between the harness connector R4 and the front camera unit.

Harness connector

Front camera unit harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

R4

13

R1

2

Existed

14

3

Existed