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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: 65 of 549
TURN ON IGNITION.
CONNECT THE
DIAGNOSTIC TOOL AND CHECK FOR DTC’s
IS DTC
PRESENT?
CLEAR DTC. TURN OFF & ON IGNITION &
CHECK FO R DTC’s
)
(at least 2 to 3 times
IS DTC
STILL
PRESENT
?
TURN OFF IGNTION. AND REPLACE
THE 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
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
B00702B::
Driver Seatbelt
Pretensioner
Deployment
Controlsignal
cross coupled
.