Nissan Frontier. Manual - part 980

 

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Nissan Frontier. Manual - part 980

 

 

LAN-70

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN TCM AND HVAC CIRCUIT

Is the inspection result normal?

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

• Decision of CAN system type.

• Not received CONSULT data (SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR).

• Procedure for detecting root cause.

YES (Past error)>>Error was detected in the main line between the TCM and the front air control.

NO

>> Repair the main line between the harness connector M31 and the front air control.

Harness connector

Front air control harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M31

32G

M59

37

Existed

31G

36

Existed

LAN

MAIN LINE BETWEEN TCM AND DLC CIRCUIT

LAN-71

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MAIN LINE BETWEEN TCM AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000010494873

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.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the main line between the data link connector 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 connector E5 and E152.

4.

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 the following items again.

• Decision of CAN system type.

• Not received CONSULT data (SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR).

A/T assembly harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

F9

3

F14

2

Existed

8

3

Existed

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E5

2

E152

32G

Existed

3

31G

Existed

Harness connector

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M31

32G

M22

6

Existed

31G

14

Existed

LAN-72

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

MAIN LINE BETWEEN TCM AND DLC CIRCUIT

• Procedure for detecting root cause.

YES (Past error)>>Error was detected in the main line between the A/T assembly harness connector and the

data link connector.

NO

>> Repair the main line between the harness connector M31 and the data link connector.

LAN

MAIN LINE BETWEEN HVAC AND DLC CIRCUIT

LAN-73

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

C

D

E

F

G

H

I

J

K

L

B

A

O

P

N

MAIN LINE BETWEEN HVAC AND DLC CIRCUIT

Diagnosis Procedure

INFOID:0000000010242565

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

-

Front air control

4. Check the continuity between the front air control harness connector and the data link connector.

-

With auto A/C models

-

With manual A/C models

Is the inspection result normal?

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

• Decision of CAN system type.

• Not received CONSULT data (SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR).

• Procedure for detecting root cause.

YES (Past error)>>Error was detected in the main line between the front air control and the data link connec-

tor.

NO

>> Repair the main line between the front air control and the data link connector.

Front air control

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M56

37

M22

6

Existed

36

14

Existed

Front air control

Data link connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M59

37

M22

6

Existed

36

14

Existed

 

 

 

 

 

 

 

Content   ..  978  979  980  981   ..