Nissan Versa Note. Manual - part 550

LAN-48

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

A-BAG BRANCH LINE CIRCUIT

A-BAG BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000009429036

WARNING:

Always observe the following items for preventing accidental activation.

• Before servicing, turn ignition switch OFF, disconnect battery negative terminal, and wait 3 minutes

or more. (To discharge backup capacitor.)

• Never use unspecified tester or other measuring device.

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 air bag diagnosis sensor unit for damage, bend and loose con-

nection (unit side and connector side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the main harness.

2.

CHECK AIR BAG DIAGNOSIS SENSOR UNIT

Check the air bag diagnosis sensor unit. Refer to 

SRC-35, "Work Flow"

.

Is the inspection result normal?

YES

>> Replace the main harness.

NO

>> Replace parts whose air bag system has a malfunction.

LAN

AV BRANCH LINE CIRCUIT

LAN-49

< DTC/CIRCUIT DIAGNOSIS >

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AV BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000009429037

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 AV control 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 AV control unit.

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

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 

AV-215, "AV CONTROL UNIT :

Diagnosis Procedure"

.

Is the inspection result normal?

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

AV-240, "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.

M70

8

17

Approx. 54 – 66

LAN-50

< DTC/CIRCUIT DIAGNOSIS >

[CAN]

DLC BRANCH LINE CIRCUIT

DLC BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008968401

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 data link connector for damage, bend and loose connection

(connector side and harness side).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

CHECK HARNESS FOR OPEN CIRCUIT

Check the resistance between the data link connector terminals.

Is the measurement value within the specification?

YES (Present error)>>Check CAN system type decision again.

YES (Past error)>>Error was detected in the data link connector branch line circuit.

NO

>> Repair the data link connector branch line.

Data link connector

Resistance (

Ω)

Connector No.

Terminal No.

M22

6

14

Approx. 54 – 66

LAN

EPS BRANCH LINE CIRCUIT

LAN-51

< DTC/CIRCUIT DIAGNOSIS >

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EPS BRANCH LINE CIRCUIT

Diagnosis Procedure

INFOID:0000000008968402

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 EPS control 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 EPS control unit.

2. Check the resistance between the EPS control unit harness connector terminals.

Is the measurement value within the specification?

YES

>> GO TO 3.

NO

>> Repair the EPS control unit branch line.

3.

CHECK POWER SUPPLY AND GROUND CIRCUIT

Check the power supply and the ground circuit of the EPS control unit. Refer to 

STC-18, "Diagnosis Proce-

dure"

.

Is the inspection result normal?

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

STC-37, "Removal and Installation"

.

YES (Past error)>>Error was detected in the EPS control unit branch line.

NO

>> Repair the power supply and the ground circuit.

EPS control unit harness connector

Resistance (

Ω)

Connector No.

Terminal No.

M53

2

1

Approx. 54 – 66