Nissan Quest E52. Manual - part 863

LAN-166

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 5)]

AV BRANCH LINE CIRCUIT

AV BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000009979117

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 (unit side and con-
nector side).

-

AV control unit

-

Harness connector M157

-

Harness connector M46

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 AV control unit.

2.

Check the resistance between the AV control unit harness connector terminals.

-

Models without navigation system

-

Models with navigation system

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the AV control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the AV control unit. Refer to the following.
• Base audio with separate display: 

AV-213, "AV CONTROL UNIT : Diagnosis Procedure"

• BOSE audio without navigation: 

AV-367, "AV CONTROL UNIT : Diagnosis Procedure"

• BOSE audio with navigation: 

AV-580, "AV CONTROL UNIT : Diagnosis Procedure"

Is the inspection result normal?

YES (Present error)>>Replace the AV control unit. Refer to the following.

• Base audio with separate display: 

AV-250, "Removal and Installation"

• BOSE audio without navigation: 

AV-404, "Removal and Installation"

• BOSE audio with navigation: 

AV-610, "Removal and Installation"

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

>> Repair the power supply and the ground circuit.

AV control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M174

81

80

Approx. 54 – 66

AV control unit harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

M180

90

74

Approx. 54 – 66

LAN

ASD-R BRANCH LINE CIRCUIT

LAN-167

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 5)]

C

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ASD-R BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000009979118

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 sliding door control unit RH 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 sliding door control unit RH.

2.

Check the resistance between the sliding door control unit RH harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Replace the body No. 2 harness.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the sliding door control unit RH. Refer to 

DLK-239, "SLIDING

DOOR CONTROL UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the sliding door control unit RH. Refer to 

DLK-500, "RH : Removal and Instal-

lation"

.

YES (Past error)>>Error was detected in the sliding door control unit RH branch line.
NO

>> Repair the power supply and the ground circuit.

Sliding door control unit RH harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B247

10

9

Approx. 54 – 66

LAN-168

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 5)]

ASD-L BRANCH LINE CIRCUIT

ASD-L BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000009979121

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 sliding door control unit LH 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 sliding door control unit LH.

2.

Check the resistance between the sliding door control unit LH harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the sliding door control unit LH branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the sliding door control unit LH. Refer to 

DLK-239, "SLIDING

DOOR CONTROL UNIT : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace the sliding door control unit LH. Refer to 

DLK-500, "LH : Removal and Instal-

lation"

.

YES (Past error)>>Error was detected in the sliding door control unit LH branch line.
NO

>> Repair the power supply and the ground circuit.

Sliding door control unit LH harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B45

10

9

Approx. 54 – 66

LAN

PWBD BRANCH LINE CIRCUIT

LAN-169

< DTC/CIRCUIT DIAGNOSIS >

[CAN SYSTEM (TYPE 5)]

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PWBD BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000009979122

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 automatic back door control module 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 automatic back door control module.

2.

Check the resistance between the automatic back door control module harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the automatic back door control module branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the automatic back door control module. Refer to 

DLK-238,

"AUTOMATIC BACK DOOR CONTROL MODULE : Diagnosis Procedure"

.

Is the inspection result normal?

YES (Present error)>>Replace  the  automatic back door control module. Refer to 

DLK-495, "Removal and

Installation"

.

YES (Past error)>>Error was detected in the automatic back door control module branch line.
NO

>> Repair the power supply and the ground circuit.

Automatic back door control module harness connector

Resistance (

Ω

)

Connector No.

Terminal No.

B8

26

25

Approx. 54 – 66