Nissan Versa

 Sedan Service Manual

Electrical & power control » LAN System (LAN)
A-BAG Branch line circuit

Diagnosis Procedure

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 connection (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"Work Flow".

Is the inspection result normal?

YES >> Replace the main harness.

NO >> Replace parts whose air bag system has a malfunction.

Precautions

System

Trouble diagnosis

Diagnosis and repair workflow

Precautions

CAN Communication system

Main line between IPDM-E and DLC circuit

ECM Branch line circuit

ABS Branch line circuit

IPDM-E Branch line circuit

TCM Branch line circuit

A-BAG Branch line circuit

AV Branch line circuit

DLC Branch line circuit

EPS Branch line circuit

M&A Branch line circuit

STRG Branch line circuit

BCM Branch line circuit

CAN Communication circuit

Main line between IPDM-E and DLC circuit

ECM Branch line circuit

ABS Branch line circuit

IPDM-E Branch line circuit

A-BAG Branch line circuit

DLC Branch line circuit

EPS Branch line circuit

M&A Branch line circuit

STRG Branch line circuit

BCM Branch line circuit

CAN Communication circuit

Main line between IPDM-E and DLC circuit

ECM Branch line circuit

ABS Branch line circuit

IPDM-E Branch line circuit

TCM Branch line circuit

A-BAG Branch line circuit

DLC Branch line circuit

EPS Branch line circuit

M&A Branch line circuit

STRG Branch line circuit

BCM Branch line circuit

CAN Communication circuit

Main line between IPDM-E and DLC circuit

ECM Branch line circuit

ABS Branch line circuit 

IPDM-E Branch line circuit 

TCM Branch line circuit 

A-BAG Branch line circuit

DLC Branch line circuit 

EPS Branch line circuit 

M&A Branch line circuit

STRG Branch line circuit

BCM Branch line circuit

CAN Communication circuit

Main line between IPDM-E and DLC circuit

ECM Branch line circuit

ABS Branch line circuit

IPDM-E Branch line circuit

TCM Branch line circuit

A-BAG Branch line circuit

AV Branch line circuit

DLC Branch line circuit

EPS Branch line circuit

M&A Branch line circuit

STRG Branch line circuit

BCM Branch line circuit

CAN Communication circuit