Infiniti M35/M45 Y50. Manual - part 859

 

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Infiniti M35/M45 Y50. Manual - part 859

 

 

TROUBLE DIAGNOSIS

LAN-85

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

4. 

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of pre-crash seat belt control unit.

2.

Check the continuity between the harness connector and the pre-crash seat belt control unit harness con-
nector.

OK or NG

OK

>>

Present error: Check the following items again.

Decision of CAN system type.

Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).

Procedure for detecting root cause.

Past error: Error was detected in the main line between the data link connector and the pre-
crash seat belt control unit.

NG

>> Replace the body harness.

Main Line Between Data Link Connector and RAS Control Unit

NKS004GX

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 M66

Harness connector B418

OK or NG

OK

>> GO TO 2.

NG

>> Repair the terminal and connector.

2. 

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the harness connectors M66 and B418.

2.

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

OK or NG

OK

>> GO TO 3.

NG

>> Repair the main line between the data link connector and the harness connector M66.

Harness connector

Pre-crash seat belt control unit

harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B67

1

B142

24

Yes

12

22

Yes

Data link connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

M60

6

M66

38P

Yes

14

39P

Yes

LAN-86

[CAN]

TROUBLE DIAGNOSIS

3. 

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of RAS control unit.

2.

Check the continuity between the harness connector and the RAS control unit harness connector.

OK or NG

OK

>>

Present error: Check the following items again.

Decision of CAN system type.

Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).

Procedure for detecting root cause.

Past error: Error was detected in the main line between the data link connector and the RAS
control unit.

NG

>> Replace the body No. 2 harness.

Main Line Between RAS Control Unit and Pre-crash Seat Belt Control Unit

NKS004GZ

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 B437

Harness connector B67

OK or NG

OK

>> GO TO 2.

NG

>> Repair the terminal and connector.

2. 

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of RAS control unit and the harness connectors B437 and B67.

2.

Check the continuity between the RAS control unit harness connector and the harness connector.

OK or NG

OK

>> GO TO 3.

NG

>> Replace the body No. 2 harness.

Harness connector

RAS control unit harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B418

38P

B476

1

Yes

39P

8

Yes

RAS control unit harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B476

1

B437

1

Yes

8

12

Yes

TROUBLE DIAGNOSIS

LAN-87

[CAN]

C

D

E

F

G

H

I

J

L

M

A

B

LAN

3. 

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of pre-crash seat belt control unit.

2.

Check the continuity between the harness connector and the pre-crash seat belt control unit harness con-
nector.

OK or NG

OK

>>

Present error: Check the following items again.

Decision of CAN system type.

Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).

Procedure for detecting root cause.

Past error: Error was detected in the main line between the RAS control unit and the pre-crash
seat belt control unit.

NG

>> Replace the body harness.

Main Line Between Pre-crash Seat Belt Control Unit and Driver Seat Control 
Unit

NKS004G8

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 harness connector

Pre-crash seat belt control unit harness connector

Harness connector B15 and B202

4.

Check continuity between the pre-crash seat belt control unit harness connector and the harness connec-
tor.

OK or NG

OK

>>

Present error: Check the following items again.

Decision of CAN system type.

Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).

Procedure for detecting root cause.

Past error: Error was detected in the main line between the pre-crash seat belt control unit and
the driver seat control unit.

NG

>> Replace the body harness.

Harness connector

Pre-crash seat belt control unit

harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B67

1

B142

24

Yes

12

22

Yes

Pre-crash seat belt control unit

harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B142

24

B15

3

Yes

22

19

Yes

LAN-88

[CAN]

TROUBLE DIAGNOSIS

Main Line Between Driver Seat Control Unit and ABS Actuator and Electric Unit 
(Control Unit)

NKS004G9

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 B3

Harness connector E105

OK or NG

OK

>> GO TO 2.

NG

>> Repair the terminal and connector.

2. 

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the following harness connectors.

Harness connectors B202 and B15

Harness connectors B3 and E105

2.

Check the continuity between harness connectors.

OK or NG

OK

>> GO TO 3.

NG

>> Replace the body harness.

3. 

CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.

Disconnect the connector of ABS actuator and electric unit (control unit).

2.

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

OK or NG

OK

>>

Present error: Check the following items again.

Decision of CAN system type.

Not received CONSULT-II data (SELECT SYSTEM, SELF-DIAG RESULTS, CAN DIAG SUP-
PORT MNTR).

Procedure for detecting root cause.

Past error: Error was detected in the main line between the driver seat control unit and the ABS
actuator and electric unit (control unit).

NG

>> Repair the main line between the harness connector E105 and the ABS actuator and electric unit

(control unit).

Harness connector

Harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

B15

3

B3

9

Yes

19

8

Yes

Harness connector

ABS actuator and electric unit (control unit)

harness connector

Continuity

Connector No.

Terminal No.

Connector No.

Terminal No.

E105

9

E30

35

Yes

8

14

Yes

 

 

 

 

 

 

 

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