Transmission Position Sensor/Switch: Testing and Inspection

DESCRIPTION
The processor sends a voltage signal to the transmission range (TR) sensor. The TR sensor incorporates a series of step-down resistors which act as a voltage divider. The processor monitors this voltage which corresponds to the position of the manual control lever (P, R, N, O/D, 2, 1). The TR sensor is located on the outside of the transmission at the manual control lever. The TR sensor determines desired gear and electronic pressure control (EPC) pressure. The TR sensor also contains circuits for Park/Neutral and backup lamps.

SYMPTOMS
Engagement concerns, wrong gear, no shifts, increase in EPC pressure.

DTC's
P0707, P0708, P1705