Transaxle Range Switch (A/T)
The Transaxle Range (TR) switch informs the ECM when the transaxle is in Neutral or Park. ECM determines automatic transmission load, and signals the Idle Air Control (IAC) servo to maintain optimum idle speed.
The Transaxle Range (TR) switch informs the ECM when the transaxle is in Neutral or Park. ECM determines automatic transmission load, and signals the Idle Air Control (IAC) servo to maintain optimum idle speed.