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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: 52 of 549
TURN ON IGNITION.
CONNECT THE
DIAGNOSTIC TOOL AND CHECK FOR DTC’s
IS DTC
PRESENT?
CLEAR DTC
IS DTC STILL
PRESENT
?
1. TURN OFF IGN,
REMOVE PASSENGER
FRONTAL
AIRBAG CONNECTOR FROM VEHICLE W/H.
2. TURN ON IGNITION. CLEAR DTC’s & CHECK FOR
DTC’s.
IS DTC B0010-
12 PRESENT?
REPLACE
THE
ABFP MODULE
YES
NO
NO
YES
NO
YES
TURN OFF
& ON THE
IGNITION &
CHECK FOR
DTC’s
IS DTC
PRESEN T?
NO
CHECK WHETHER THE VOLTAGEAT
OUTPUT PINS OF ABW/H C226-1 & C226-2
W.R.T VEHICLE GROUND
IS IN THE RANGE
OF 10 TO12 V
STOP
RE-CONNECT
THE AB ECU,
W/H & ABFP
MODULE
IN
THE VEHICLE
NO
YES
REPLACE THE
ABFP MODULE
IS VOLTAGE IN
10 T0 12 V?
REPLACE AIRBAG ECU
WITH A NEW ONE.
YES
YES
NO
1.
TURN OFF IGN. REPLACE AIRBAG W/H.
2.
CONNECT THE AIRBAG
ECU, W/H & ABFP
MODULE
IN VEHICLE.
3.TURN ON IGNITION. CLEAR DTC’s & CHECK
FOR DTC’s.
IS DTC B0010-
12 PRESENT?
START
B001012::
Passenger
Frontal Stage
1 Deployment
Contro
l circuit
short to
battery
.