TSRM/MK4 Supra/Repair Manual
Repair ManualWiring Diagrams
p.194
WD/Wiring Diagrams195 / 277
p.196
SRS (SUPPLEMENTAL RESTRAINT SYSTEM) — MK4 Supra Wiring Diagrams, page 195
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SRS (SUPPLEMENTAL RESTRAINT SYSTEM) The supplemental restraint system has connectors which possess the functions described below: 1. SRS ACTIVATION PREVENTION MECHANISM Each connector contains a short spring plate. When the connector is disconnected, the short spring plate automatically connects the power source and grounding terminals of the squib to preclude a potential difference between the terminals. • When Connected • When Open Housing (male) Short Spring Plate Housing (female) Short Spring Plate Contacting Male Terminal 2. ELECTRICAL CONNECTION CHECK MECHANISM This mechanism is designed to electrically check if connectors are connected correctly and completely. The electrical connection check mechanism is designed so that the connection detection pin connects with the diagnosis terminals when the connector housing lock is in the locked condition. • Half Connection • Complete Connection Connector Housing Lock (Connected) Connection Detection Pin Terminal for Diagnosis Slope Slope Connection detection pin contacting terminal 198