TATA PUNCH-SERVICE MANUAL

SUPPLEMENTARY RESTRAINT SYSTEM (SRS) CONTENTS 1. WORKING OF RESTRAINTS ................................................................................................. 1 2. SYSTEM LAYOUT.................................................................................................................. 3 3. SAFETY PRECAUTIONS ....................................................................................................... 4 4. DISPOSAL OF FAULTY AIR BAG UNIT ................................................................................ 6 5. SRS POST ACCIDENT PROCEDURE ................................................................................... 8 6. TIGHTENING TORQUES........................................................................................................ 9 7. COMPONENTS..................................................................................................................... 13 A. RESTRAINT WITHOUT AIRBAGS .................................................................................. 13 B. RESTRAINT WITH AIRBAGS.......................................................................................... 13 1. ECU......................................................................................................................... 13 2. FRONT IMPACT SENSOR (FIS) ............................................................................. 17 3. AIRBAGS ................................................................................................................ 19 4. RPDLL, APT & RPLL............................................................................................... 21 5. CLOCK SPRING ..................................................................................................... 24