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SUPPLEMENTARY RESTRAINT SYSTEM (SRS)
7
1.5. SRS POST ACCIDENT PROCEDURE:
A. The complete airbag system consists of
following components. Those cannot be
serviced/repaired,
hence
should
be
replaced
in
case
of
any
damage/deployment irrespective of ‘if
found ok’.
a) Driver airbag
b) Passenger airbag
c) Seat belt assembly
d) Front impact sensors
e) Wiring harnesses
f) SRS ECU
g) Clock spring
B. If Frontal Airbags, seat belt pretensioners
are deployed during collision, following
components must be replaced irrespective
of ‘if found ok’.
a) Driver airbag
b) Passenger airbag
c) Front Seat belt assembly RH & LH
d) Front Impact sensors -LH & RH
e) Cockpit (with PAB provision & wiring
harness)
f) Wiring harness
g) SRS ECU
h) Clock spring
E.
After any type of vehicle accident, thoroughly
inspect all the airbag system components for
any damage or deformation. Replace
components as required. Thorough inspection
of their mounting locations is also strongly
recommended after any accident.
F.
If any damage or deformation is observed on
any airbag system components, these
components
MUST be replaced
even if they
are not deployed/ fired in the accident and are
showing healthy status when checked.
G.
Special attention should be paid to mounting
surfaces and mounting brackets mainly for
SRS ECU, Front impact sensors and Side
impact sensors as they are extremely critical
for performance of the system. If these cannot
be repaired to their original condition, the
original panel(s)
MUST be replaced
.
H.
In case of damage to SRS wiring
harness/wires, they must not be repaired but
replaced.
I.
If steering wheel and steering column are
deformed or if the steering column is collapsed
in an accident replace these components.
J.
The accident Vehicle should be inspected to
identify component deformation or structural
deformations, damages for repair or
replacement. e.g. Vehicle front, side, rear
structure, seats, underbody components etc.
K.
Check for DTC’s using diagnostic tool and
troubleshoot to clear all the DTC’s detected.
!! WARNING
‘If the SRS warning indicator in the instrument
cluster illuminates continuously, it means there is
a malfunction in the system, vehicle needs to be
diagnosed then take the vehicle to nearest TATA
Authorized Service Center’.