HARRIER BOOK 2

TATA MOTORS Ltd.

This document must not be used in any w ay, such as copying and redistributing to third parties, w ithout the consent of author.

SRS / Airbag

ECU – DTC Troubleshooting Guide

Version: 14.0

Date: 14-February-2017

Prepared by:Airbag COC Review &

Approved by:Sanjeev VM

Page: 186 of 549

B1012-00:- Belt Pretensioner Deployment Crash no sub type information

Overview:-

ISO Code

B101200

Customer Symptom

SRS Warning Lamp continuously ON in Instrument Cluster.

Fault Effects (On Vehicle)

Crash detection is frozen.

Lamp Status (If Any)

SRS Warning Lamp continuously ON in Instrument Cluster.

Fault Detection Condition

This DTC gets logged if a Belt Pretensioner deployment crash

happens.

Normal Operating Condition

Belt Pretensioner Deployment Crash DTC should not be present.

Probable Trouble Area

Airbag ECU.

Healing Condition

Replace the Airbag ECU with the new one (ensure the correct

configuration as per VC).

Component Details:-

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.