Nissan Pathfinder (2009 year). Instruction - part 498

LAN-70

< COMPONENT DIAGNOSIS >

[CAN]

CAN COMMUNICATION SYSTEM

ABMIA0088GB

2009 Pathfinder

LAN

CAN COMMUNICATION SYSTEM

LAN-71

< COMPONENT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ABMIA0089GB

2009 Pathfinder

LAN-72

< COMPONENT DIAGNOSIS >

[CAN]

CAN COMMUNICATION SYSTEM

ABMIA0090GB

2009 Pathfinder

LAN

CAN COMMUNICATION SYSTEM

LAN-73

< COMPONENT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

ABMIA0091GB

2009 Pathfinder

LAN-74

< COMPONENT DIAGNOSIS >

[CAN]

CAN COMMUNICATION SYSTEM

AAMIA0078GB

2009 Pathfinder

LAN

MALFUNCTION AREA CHART

LAN-75

< COMPONENT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MALFUNCTION AREA CHART

Main Line

INFOID:0000000003938750

Branch Line

INFOID:0000000003938751

Short Circuit

INFOID:0000000003938752

Malfunction Area

Reference

Main line between TCM and air bag diagnosis sensor unit

LAN-76, "Diagnosis Procedure"

Main line between air bag diagnosis sensor unit and data link 
connector

LAN-78, "Diagnosis Procedure"

Main line between data link connector and ABS actuator and 
electric unit (control unit)

LAN-79, "Diagnosis Procedure"

Malfunction Area

Reference

ECM branch line circuit 

LAN-81, "Diagnosis Procedure"

TCM branch line circuit

LAN-82, "Diagnosis Procedure"

AV control unit branch line circuit

LAN-83, "Diagnosis Procedure"

Intelligent Key unit branch line circuit

LAN-84, "Diagnosis Procedure"

Transfer control unit branch line circuit 

LAN-85, "Diagnosis Procedure"

Driver seat control unit branch line circuit

LAN-86, "Diagnosis Procedure"

BCM branch line circuit 

LAN-87, "Diagnosis Procedure"

Data link connector branch line circuit 

LAN-88, "Diagnosis Procedure"

A/C auto amp. branch line circuit

LAN-89, "Diagnosis Procedure"

Combination meter branch line circuit 

LAN-90, "Diagnosis Procedure"

Steering angle sensor branch line circuit 

LAN-91, "Diagnosis Procedure"

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

LAN-92, "Diagnosis Procedure"

IPDM E/R branch line circuit 

LAN-93, "Diagnosis Procedure"

Malfunction Area

Reference

CAN communication circuit

LAN-94, "Diagnosis Procedure"

2009 Pathfinder

LAN-76

< COMPONENT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN TCM AND A-BAG CIRCUIT

MAIN LINE BETWEEN TCM AND A-BAG CIRCUIT

Diagnosis Procedure

INFOID:0000000003938753

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 F14

-

Harness connector E5

-

Harness connector E152

-

Harness connector M31

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.

-

A/T assembly

-

Harness connectors F14 and E5

2.

Check the continuity between the A/T assembly harness connector and the harness connector.

-

VQ engine models

-

VK engine models

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the A/T assembly and the harness connector F14.

3.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the harness connectors E152 and M31.

2.

Check the continuity between the harness connectors.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair the main line between the harness connectors E5 and E152.

4.

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

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

A/T assembly harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

F9

3

F14

2

Existed

8

3

Existed

A/T assembly harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

F70

3

F14

2

Existed

8

3

Existed

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E5

2

E152

52G

Existed

3

51G

Existed

2009 Pathfinder

LAN

MAIN LINE BETWEEN TCM AND A-BAG CIRCUIT

LAN-77

< COMPONENT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

Is the inspection result normal?

YES (Present error)>>Check the following items again.

• Decision of CAN system type.
• Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU

list” included)].

• Procedure for detecting root cause.

YES (Past error)>>Error was detected in the main line between the TCM and the air bag diagnosis sensor

unit.

NO

>> Repair the main line between the harness connector M31 and the air bag diagnosis sensor unit.

Harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M31

52G

M22

6

Existed

51G

14

Existed

2009 Pathfinder