Nissan Titan A60. Manual — part 693
LAN-68
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MALFUNCTION AREA CHART
MALFUNCTION AREA CHART
Main Line
INFOID:0000000006179131
Branch Line
INFOID:0000000006179132
Short Circuit
INFOID:0000000006179133
Malfunction area
Reference
Main line between TCM and data link connector
Main line between TCM and differential lock control unit
Main line between TCM and driver seat control unit
Main line between differential lock control unit and data link con-
nector
Main line between differential lock control unit and driver seat
control unit
Main line between driver seat control unit and data link connector
Main line between driver seat control unit and display control unit
Main line between display control unit and data link connector
Main line between data link connector and combination meter
Main line between combination meter and ABS actuator and
electric unit (control unit)
Main line between combination meter and transfer control unit
Main line between transfer control unit and ABS actuator and
electric unit (control unit)
Malfunction area
Reference
ECM branch line circuit
TCM branch line circuit
Differential lock control unit branch line circuit
Driver seat control unit branch line circuit
Display control unit branch line circuit
BCM branch line circuit
Data link connector branch line circuit
Front air control branch line circuit
Combination meter branch line circuit
Steering angle sensor branch line circuit
Transfer control unit branch line circuit
ABS actuator and electric unit (control unit) branch line circuit
IPDM E/R branch line circuit
Malfunction area
Reference
CAN communication circuit
LAN
MAIN LINE BETWEEN TCM AND DLC CIRCUIT
LAN-69
< 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:0000000006179134
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 E50
-
Harness connector B75
-
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.
-
A/T assembly
-
Harness connectors F14 and E5
2. Check the continuity between the A/T assembly harness connector and the harness connector.
-
Models with floor shift
-
Models with column shift
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 E50 and B75.
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 E50.
4.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors B69 and M40.
A/T assembly harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F9
3
F14
5
Existed
8
15
Existed
A/T assembly harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F17
3
F14
5
Existed
8
15
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E5
5
E50
2
Existed
15
1
Existed
LAN-70
< DTC/CIRCUIT DIAGNOSIS >
[CAN]
MAIN LINE BETWEEN TCM AND DLC CIRCUIT
2. Check the continuity between the harness connectors.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair the main line between the harness connectors B75 and B69.
5.
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 A/T assembly and the data link connec-
tor.
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.
B75
2
B69
51J
Existed
1
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
MAIN LINE BETWEEN TCM AND DIFF 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 DIFF CIRCUIT
Diagnosis Procedure
INFOID:0000000006179135
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 E50
-
Harness connector B75
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.
-
Models with floor shift
-
Models with column shift
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 E50 and B75.
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 E50.
4.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1. Disconnect the connector of differential lock control unit.
2. Check the continuity between the harness connector and the differential lock control unit harness connec-
tor.
A/T assembly harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F9
3
F14
5
Existed
8
15
Existed
A/T assembly harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
F17
3
F14
5
Existed
8
15
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
E5
5
E50
2
Existed
15
1
Existed
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