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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