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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: 42 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 D TC’s
)
at least 2 to 3 times
(
IS DTC
STILL
PRESENT
?
TURN OFF IGNTION.
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
STOP
RE-CONNECT THE
AIRBAG ECU,
AIRBAG WIRING
HARNESS
IN THE
VEHICLE
YES
TURN ON IGNITION.
CLEAR DTC’s & CHECK FOR DTC’s.
1.
TURN OFF IGNITION.
2.
REPLACE THE AIRBAG ECU WITH A
NEW
ECU
IS DTC
STILL
PRESENT?
YES
START
B00102B::
Passenger
Frontal Stage
Deployment
1
Contro
l signal
cross coupled
.