Infiniti QX56 (Z62). Manual — part 905
LAN
MAIN LINE BETWEEN ADP AND PWBD CIRCUIT
LAN-197
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN ADP AND PWBD CIRCUIT
Diagnosis Procedure
INFOID:0000000006256369
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.
-
CAN gateway
-
Harness connectors B460 and B24
-
Automatic back door control module
4.
Check the continuity between the harness connector and the automatic back door control module harness
connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the driver seat control unit and the automatic
back door control module.
NO
>> Repair the main line between the harness connector B24 and the automatic back door control
module.
Harness connector
Automatic back door control module
harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B24
13
B26
7
Existed
12
6
Existed
LAN-198
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
MAIN LINE BETWEEN RDR-R AND RDR-L CIRCUIT
MAIN LINE BETWEEN RDR-R AND RDR-L CIRCUIT
Diagnosis Procedure
INFOID:0000000006256370
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 B239
-
Harness connector B63
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.
-
Side radar RH
-
Harness connectors B239 and B63
2.
Check the continuity between the side radar RH harness connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the side radar RH and the harness connector B239.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of side radar LH.
2.
Check the continuity between the harness connector and the side radar LH harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the side radar RH and the side radar LH.
NO
>> Repair the main line between the harness connector B63 and the side radar LH.
Side radar RH harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B243
4
B239
7
Existed
3
3
Existed
Harness connector
Side radar LH harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B63
7
B74
4
Existed
3
3
Existed
LAN
MAIN LINE BETWEEN RDR-L AND LANE CIRCUIT
LAN-199
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
C
D
E
F
G
H
I
J
K
L
B
A
O
P
N
MAIN LINE BETWEEN RDR-L AND LANE CIRCUIT
Diagnosis Procedure
INFOID:0000000006256371
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 B2
-
Harness connector M19
-
Harness connector M23
-
Harness connector R1
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.
-
Side radar LH
-
Harness connectors B2 and M19
2.
Check the continuity between the side radar LH harness connector and the harness connector.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair the main line between the side radar LH and the harness connector B2.
3.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the harness connectors M23 and R1.
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 M19 and M23.
4.
CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
1.
Disconnect the connector of lane camera unit.
2.
Check the continuity between the harness connector and the lane camera unit harness connector.
Is the inspection result normal?
YES (Present error)>>Check CAN system type decision again.
YES (Past error)>>Error was detected in the main line between the side radar LH and the lane camera unit.
Side radar LH harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
B74
4
B2
27
Existed
3
28
Existed
Harness connector
Harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
M19
27
M23
26
Existed
28
23
Existed
Harness connector
Lane camera unit harness connector
Continuity
Connector No.
Terminal No.
Connector No.
Terminal No.
R1
26
R8
4
Existed
23
8
Existed
LAN-200
< DTC/CIRCUIT DIAGNOSIS >
[CAN SYSTEM (TYPE 4)]
MAIN LINE BETWEEN RDR-L AND LANE CIRCUIT
NO
>> Repair the main line between the harness connector R1 and the lane camera unit.
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