AT-22 AUTOMATIC TRANSMISSION — Troubleshooting (Electronic Control System) ELECTRONIC CONTROL COMPONENTS Pattern Select Switch O/D Direct Switch Neutral Start Switch ECT ECU Throttle Position Sensor Water Temp. Sensor No. 1 Speed Sensor Soil Light Switch No. 2 Speed Sensor No. 2 Solenoid No. 1 Solenoid Lock-up Solenoid Check Connector AT196d