Transmission Controlled Spark

• Description
  • Notes
  • Thermo-Sensor
  • Speed-Sensor
  • Vacuum Switching Valve
  • Throttle Positioner
  • Mixture Control Valve (2T-C Engine Only)
  • Speed Marker Relay (18R-C engine, Except Celica)
  • Computer
• Operation
• Testing
  • T.C.S. Vacuum System
  • T.C.S. Electrical Circuits
  • Mixture Control Valve (2T-C Engine Only)
  • Throttle Positioner
  • Speed Sensor
  • Speed Marker (18R-C Engine, Except Celica)
  • Computer
  • Thermo-Sensor
  • Vacuum Switching Valve Vacuum Passage Test
  • Vacuum Switching Valve Short-Circuit Test
  • Vacuum Switching Valve Open-Circuit Test
• Maintenance
  • Notes
  • Idle Adjustment
  • Throttle Positioner Adjustment
• Trouble Shooting
  • Abnormal Idle Speed
  • Rough Engine Idle
  • Insufficient Engine Braking Effect
  • Power Loss at High Speed