4507 / 4910
Copyright ©
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: 238 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 least 2 to 3 times)
IS DTC
STILL
PRESENT
?
TURN OFF IGNTION. AND REPLACE
AIRBAG WIRING HARNESS
WITH A
NEW ONE.
YES
NO
NO
YES
NO
TURN OFF &
ON IGNITION.
CLEAR DTC’s
& CHECK FOR
DTC’s
IS DTC
STILL
PRESENT?
NO
TURN ON IGNITION.
CLEAR DTC
’s
& CHECK FOR DTC’s.
STOP
RE-CONNECT THE
AIRBAG ECU,
AIRBAG WIRING
HARNESS
IN THE
VEHICLE
1.TURN OFF IGNITION.
2. REPLACE THE AIRBAG ECU WITH A NEW
ONE
YES
IS DTC
STILL
PRESENT?
YES
START
B100B2B::
Passenger
Airbag
Deactivation
switch(PADS)
signalcross
coupled
.