Transmission Control Switch (TCS)
The Transmission Control Switch (TCS) is a rotary selector located in the floor console.
By selecting P, R, N, D or S on the TCS knob, the transmission functions as any conventional automatic unit.
The TCS allows the selection of P, R, N and D. By depressing the TCS knob and rotating clockwise from the D position, S mode can be selected. The TCS is a fully electronic rotary transmission selector with no mechanical connection to the transmission.
The TCS knob rises from the TCS once the engine is running. Once the engine is stopped the TCS will automatically reset to the 'P' position and the transmission park lock will be engaged, except if the TCS knob is in the 'N' position when the engine is stopped. If the TCS knob is in position N when the engine is stopped, it remains in the raised position for up to 10 minutes, for use in a drive through car wash for example. After 10 minutes the selector automatically retracts into the TCS. The TCS knob also retracts if the vehicle is locked.
Under a low primary battery voltage condition, the TCS may be slow to rise or may fail to rise from its docked position. Once the engine is running, the retracted TCS can still be rotated to select gear positions other than Park (P), but this must only be done in exceptional or emergency situations
The TCS contains an internal interlock solenoid to prevent the TCS knob from being rotated when the engine is not running.
The Light Emitting Diodes (LED) in the TCS is illuminate to display the selected position. If the selected position is not performed by the transmission, the selected position LED flashes.