HARRIER BOOK 2

TATA MOTORS Ltd.

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SRS / Airbag

ECU – DTC Troubleshooting Guide

Version: 14.0

Date: 14-February-2017

Prepared by:Airbag COC Review &

Approved by:Sanjeev VM

Page: 318 of 549

B0028-55:- Right Side Airbag Deployment Control not configured

Overview:-

ISO Code

B0028-55

Customer Symptom

SRS Warning Lamp continuously ON in Instrument Cluster

Fault Effects (On Vehicle)

No Effect

Lamp Status (If Any)

SRS Warning Lamp continuously ON in Instrument Cluster

Fault Detection Condition

Right Side Airbag Deployment Device is not configured in EOL,

but physically present in the vehicle

Normal Operating Condition

Right Side Airbag configuration & physical presence in the

vehicle should be as per the VC.

Probable Trouble Area

Related wiring Harness, connector or terminals

Right Side Airbag Switch

System Configuration

Airbag ECU

Healing Condition

1. Correct System configuration should be written to Airbag

ECU as per VC.

2. Right Side Airbag physical presence should be as per

VC.

Component Details:-

Right Side Airbag Module: -

This airbag is located in seat which inflate between the occupant and door.

Airbag ECU

: - It is fitted in the floor of central console in the car. The Airbag Electronic Control Unit (ECU) controls

the deployment system to allow an appropriate igniting of the Airbags and belt pre-tensioners to restrain the driver

and passengers.

Preliminary Checks:-

1. Check Battery Voltage (12 V & above)

2. Check for any faults in Airbag Warning Lamp indication in Instrument Cluster.

3. Ensure the proper locking of Airbag ECU wiring harness connectors in the vehicle by the locking sound.

Trouble Shooting:-