2011 INFINITI QX56 Factory Service Manual

reset heater change time window climate settings park assist

Page 3561 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN
MAIN LINE BETWEEN RDR-L AND LANE CIRCUITLAN-141
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
C
D
E
F
G H
I
J
K L
B A
O P
N
MAIN LINE BETWEEN RD
R-L AND LANE CIRCUIT
Diagnosis ProcedureINFOID:0

LAN
MAIN LINE BETWEEN RDR-L AND LANE CIRCUITLAN-141
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
C
D
E
F
G H
I
J
K L
B A
O P
N
MAIN LINE BETWEEN RD
R-L AND LANE CIRCUIT
Diagnosis ProcedureINFOID:0000000006256284
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e 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 CONTI NUITY (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 CONTI NUITY (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 CONTI NUITY (OPEN CIRCUIT)
1. Disconnect the connector of lane camera unit.
2. Check the continuity between the harness c onnector and the lane camera unit harness connector.
Is the inspection result normal?
YES (Present error)>>Check CA N system type decision again.
YES (Past error)>>Error was detected in the main li ne 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
Revision: 2010 May2011 QX56

Page 3562 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN-142
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
MAIN LINE BETWEEN RDR-L AND LANE CIRCUIT
NO >> Repair the main line between the harness connector R1 and the lane camera unit.
Revision: 2010 Ma

Page 3563 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN
MAIN LINE BETWEEN LANE AND APA CIRCUITLAN-143
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
C
D
E
F
G H
I
J
K L
B A
O P
N
MAIN LINE BETWEEN LA
NE AND APA CIRCUIT
Diagnosis ProcedureINFOID:00000

LAN
MAIN LINE BETWEEN LANE AND APA CIRCUITLAN-143
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
C
D
E
F
G H
I
J
K L
B A
O P
N
MAIN LINE BETWEEN LA
NE AND APA CIRCUIT
Diagnosis ProcedureINFOID:0000000006256285
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cabl e from the negative terminal.
3. Check the following terminals and connectors for damage, bend and loose connection (connector side
and harness side).
- Harness connector R1
- Harness connector M23
- Harness connector M77
- Harness connector E105
Is the inspection result normal?
YES >> GO TO 2.
NO >> Repair the terminal and connector.
2.CHECK HARNESS CONTI NUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors R1 and M23.
2. Check the continuity between the harness connector terminals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair the main line between the lane camera unit and the harness connector R1.
3.CHECK HARNESS CONTI NUITY (OPEN CIRCUIT)
1. Disconnect the harness connectors M77 and E105.
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 M23 and M77.
4.CHECK HARNESS CONTI NUITY (OPEN CIRCUIT)
1. Disconnect the connector of accelerator pedal actuator.
2. Check the continuity between t he harness connector and the accelerator pedal actuator harness connec-
tor.
Is the inspection result normal?
YES (Present error)>>Check CA N system type decision again.
YES (Past error)>>Error was detected in the main line between the lane camera unit and the accelerator
pedal actuator.
NO >> Repair the main line between the harness c onnector E105 and the accelerator pedal actuator.
Connector No. Terminal No. Continuity
R1 26 29 Existed
23 28 Existed
Harness connector Harness connector
Continuity
Connector No. Terminal No. Connector No. Terminal No.
M23 29
M77 22 Existed
28 23 Existed
Harness connector Accelerator pedal actuator harness connector Continuity
Connector No. Terminal No. Connector No. Terminal No.
E105 22
E66 5 Existed
23 4 Existed
Revision: 2010 May2011 QX56

Page 3564 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN-144
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
ECM BRANCH LINE CIRCUIT
ECM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000006256286
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2.

Page 3565 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN
ABS BRANCH LINE CIRCUITLAN-145
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
C
D
E
F
G H
I
J
K L
B A
O P
N
ABS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000006256288
1.CHECK CONNECTOR
1

Page 3566 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN-146
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
TCM BRANCH LINE CIRCUIT
TCM BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000006256289
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2.

Page 3567 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN
A-BAG BRANCH LINE CIRCUITLAN-147
< DTC/CIRCUIT DIAGNOSIS > [CAN SYSTEM (TYPE 2)]
C
D
E
F
G H
I
J
K L
B A
O P
N
A-BAG BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000006256290
WARNING:
Befo

Page 3568 of 5598

INFINITI QX56 2011 Factory Service Manual
LAN-148
< DTC/CIRCUIT DIAGNOSIS >[CAN SYSTEM (TYPE 2)]
AFS BRANCH LINE CIRCUIT
AFS BRANCH LINE CIRCUIT
Diagnosis ProcedureINFOID:0000000006256291
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2.

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