Infiniti QX56 (Z62). Manual - part 878

LAN

RDR-R BRANCH LINE CIRCUIT

LAN-89

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

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RDR-R BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000006220565

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the side radar RH for damage, bend and loose connection (unit
side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK RIGHT/LEFT SWITCHING SIGNAL CIRCUIT

Check the right/left switching signal circuit of the side radar RH. Refer to 

DAS-514, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the root cause.

3.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of side radar RH.

2.

Check the resistance between the side radar RH harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 4.

NO

>> Repair the side radar RH branch line.

4.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the side radar RH. Refer to 

DAS-513, "SIDE RADAR RH :

Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the side radar RH. Refer to 

DAS-523, "Removal and Installation"

.

YES (Past error)>>Error was detected in the side radar RH branch line.
NO

>> Repair the power supply and the ground circuit.

Side radar RH harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B243

4

3

Approx. 54 – 66

LAN-90

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

RDR-L BRANCH LINE CIRCUIT

RDR-L BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000006220566

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the side radar LH for damage, bend and loose connection (unit
side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of side radar LH.

2.

Check the resistance between the side radar LH harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the side radar LH branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the side radar LH. Refer to 

DAS-512, "SIDE RADAR LH :

Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the side radar LH. Refer to 

DAS-523, "Removal and Installation"

.

YES (Past error)>>Error was detected in the side radar LH branch line.
NO

>> Repair the power supply and the ground circuit.

Side radar LH harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B74

4

3

Approx. 54 – 66

LAN

LANE BRANCH LINE CIRCUIT

LAN-91

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

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LANE BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000006220567

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the lane camera unit for damage, bend and loose connection (unit
side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of lane camera unit.

2.

Check the resistance between the lane camera unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the lane camera unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the lane camera unit. Refer to 

DAS-387, "LANE CAMERA

UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the lane camera unit. Refer to 

DAS-403, "Removal and Installation"

.

YES (Past error)>>Error was detected in the lane camera unit branch line.
NO

>> Repair the power supply and the ground circuit.

Lane camera unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

R8

4

8

Approx. 54 – 66

LAN-92

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

APA BRANCH LINE CIRCUIT

APA BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000006220568

1.

CHECK CONNECTOR

1.

Turn the ignition switch OFF.

2.

Disconnect the battery cable from the negative terminal.

3.

Check the terminals and connectors of the accelerator pedal actuator for damage, bend and loose con-
nection (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

1.

Disconnect the connector of accelerator pedal actuator.

2.

Check the resistance between the accelerator pedal actuator harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the accelerator pedal actuator branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the accelerator pedal actuator. Refer to 

DAS-195, "ACCEL-

ERATOR PEDAL ACTUATOR : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the accelerator pedal assembly. Refer to 

ACC-4, "MODELS WITH DIS-

TANCE CONTROL ASSIST SYSTEM : Removal and Installation"

.

YES (Past error)>>Error was detected in the accelerator pedal actuator branch line.
NO

>> Repair the power supply and the ground circuit.

Accelerator pedal actuator harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

E66

5

4

Approx. 54 – 66