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: 381 of 549

TURN ON IGNITION. CONNECT THE

DIAGNOSTIC TOOL AND CHECK FOR DTC’s

IS DTC

PRESENT?

CLEAR DTC. TURN OFF & ON IGNITION &

CHECK FOR DTC’s (at least2

to 3 times)

IS DTC

STILL

PRESENT

TURN OFF IGNTION. AND REPLACE

THE AIRBAG WIRING HARNESS

WITH A NEW ONE.

YES

TURN OFF &

ON IGNITION.

CLEAR DTC’s

& CHECK FOR

DTC’s

IS DTC

PRESENT?

STOP

YES

TURN ON IGNITION.

CLEAR DTC’s & CHECK FOR DTC’s.

RE-CONNECT THE

AIRBAG ECU, W/H

& DSP

MODULE

VEHICLE

1.TURN OFF IGNITION.

2.REPLACE THE AIRBAG ECU WITHA NEW

ONE

IS DTC

STILL

PRESENT?

YES

START

B100C-2B