Transmission Range Switch
Transmission Range SwitchIMPORTANT: The vehicle should not be driven with the transmission range switch disconnected; idle quality will be affected.
The four inputs from the transmission range switch indicate to the PCM which position is selected by the transmission selector lever. This information is used for ignition timing, EVAP canister purge, EGR operation.
For more information on the transmission on the transmission range switch, refer to Transmission Control System Diagnosis.
Transmission Control Systems