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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: 147 of 549
CHECK WHETHER RESISTANCE ACROSS
PINS C229B-1&C229B-2 IN VEHICLE W/H
W.R.T GROUND IS BELOW 1KΩ.
TURN OFF IGNITION REMOVE THE W/H
CONNECTOR OF AIRBAG ECU ACROSS THE
PINS C176D-7 & C176D-8.
1.REMOVE THE SHORTING BETWEEN AIRBAG ECU
W/H CONNECTOR PINS C176D-7 & C176D-8 USING
AN INSULATING MATERIAL.
2.CHECK WHETHER THE RESISTANCE BETWEEN
THE W/H INPUT PINS & W/HOUTPUT PINS C176D-
7 & C176D-8W.R.T VEHICLE GROUND IS BELOW
1KΩ.