SUPPLEMENTARY RESTRAINT SYSTEM (SRS) 7 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) Driver Anchor Pretensioner c) Passenger airbag d) Front Seat belt assembly RH & LH e) Front Impact sensors -LH & RH f) Cockpit (with PAB provision & wiring harness) g) Wiring harness h) SRS ECU i) 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 recommend after any accident. F. If any damage or deformation is observe 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, as they are extremely critical for performance of the system. If these cannot be repair to their original condition, the original panel(s) MUST be replace. H. In case of damage to SRS wiring harness/wires, they must not be repair but replace. 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 inspect 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’.
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