Nissan Titan A60. Instruction — part 695
LAN-76
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN DIFF AND ADP CIRCUIT
MAIN LINE BETWEEN DIFF AND ADP CIRCUIT
Diagnosis Procedure
INFOID:0000000006179138
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
-
Differential lock control unit
-
Harness connectors B37 and B200
4. Check the continuity between the differential lock control unit harness connector and the harness connec-
tor.
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)].
• Not copied from on-board diagnosis.
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the differential lock control unit and the driver
seat control unit.
NO
>> Repair the main line between the differential lock control unit and the harness connector B37.
Differential lock control unit harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B77
5
B37
15
Existed
4
14
Existed
LAN
MAIN LINE BETWEEN ADP AND DLC 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 ADP AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000006179139
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 B69
-
Harness connector M40
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.
-
Harness connectors B200 and B37
-
Harness connectors B69 and M40
2. Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the harness connectors B37 and B69.
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 the following items again.
• Decision of CAN system type.
• Not received CONSULT-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU
list” included)].
• Not copied from on-board diagnosis.
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the data link
connector.
NO
>> Repair the main line between the harness connector M40 and the data link connector.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B37
15
B69
51J
Existed
14
52J
Existed
Harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M40
51J
M22
6
Existed
52J
14
Existed
LAN-78
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN ADP AND DISP CIRCUIT
MAIN LINE BETWEEN ADP AND DISP CIRCUIT
Diagnosis Procedure
INFOID:0000000006179140
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 B69
-
Harness connector M40
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.
-
Harness connectors B200 and B37
-
Harness connectors B69 and M40
2. Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the harness connectors B37 and B69.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of display control unit.
2. Check the continuity between the harness connector and the display control unit harness connector.
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)].
• Not copied from on-board diagnosis.
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the display
control unit.
NO
>> Repair the main line between the harness connector M40 and the display control unit.
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B37
15
B69
51J
Existed
14
52J
Existed
Harness connector
Display control unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M40
51J
M95
25
Existed
52J
26
Existed
LAN
MAIN LINE BETWEEN DISP AND DLC 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 DISP AND DLC CIRCUIT
Diagnosis Procedure
INFOID:0000000006179141
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
-
Display control unit
4. Check the continuity between the display control unit 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-III data [SELF-DIAG RESULTS, CAN DIAG SUPPORT MNTR (“ECU
list” included)].
• Not copied from on-board diagnosis.
• Procedure for detecting root cause.
YES (Past error)>>Error was detected in the main line between the display control unit and the data link con-
nector.
NO
>> Repair the main line between the display control unit and the data link connector.
Display control unit harness connector
Data link connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M95
25
M22
6
Existed
26
14
Existed
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