SUPPLEMENTARY RESTRAINT SYSTEM (SRS) TABLE OF CONTENTS SUPPLEMENTARY RESTRAINT SYSTEM 24.0 ABBREVIATIONS ...............................................................................................1 24.1 TIGHTENING TORQUES....................................................................................2 24.2 WORKING OF RESTRAINTS .............................................................................4 A. RESTRAINTS WITHOUT AIRBAGS.............................................................................. 4 B. RESTRAINTS WITH AIRBAGS ..................................................................................... 4 24.3 WORKING OF SRS.............................................................................................4 24.4 SYSTEM LAYOUT ..............................................................................................5 A. RESTRAINT WITHOUT AIRBAG................................................................................... 5 B. RESTRAINT WITH AIRBAG.......................................................................................... 5 C. INSPECTION, REPAIR AND REPLACEMENT REQUIRED IN SRS SYSTEM AFTER ACCIDENT ........ 7 24.5 SAFETY PRECAUTIONS ...................................................................................8 24.6 DISPOSAL OF FAULTY AIR BAG UNIT ..........................................................10 24.7 COMPONENTS .................................................................................................12 A. RESTRAINT WITHOUT AIRBAGS .............................................................................. 12 I. SEAT BELT................................................................................................................. 12 II. EMERGENCY LOCKING RETRACTOR (ELR) ........................................................... 12 III. MICROSWITCH / SEAT BELT REMINDER WARNING LAMP .................................... 12 B. RESTRAINT WITH AIRBAGS...................................................................................... 12 I. ECU ............................................................................................................................ 12 II. SENSORS................................................................................................................... 18 III. AIR BAGS ................................................................................................................... 20 IV. RPLL BELTS............................................................................................................... 26 V. CLOCK SPRING ......................................................................................................... 28 VI. SRS WARNING LAMP ................................................................................................ 31 VII PAB DECACTIVATION SWITCH ................................................................................ 31 VIII PAB INDICATOR ........................................................................................................ 33
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