General Information

Automatic Transaxle

P0708 Transmission Range Sensor Circuit High Input - General Information

Component Location





General Description

Inhibitor switch transmits the information which range includes shift lever of A/T to TCM by combination of a position circuit terminal. It is possible for inhibitor switch to start an engine in only P and N (Prevention of reckless driving) and used for inhibitor switch to shift control.

DTC Description

If TCM has not received any signal from inhibitor switch for 30 seconds, TCM sets DTC. While TCM proceeds final confirm for this fault in its internal process, Shift Lock functions to prevent shifting to Reverse for safety.
(MIL : Consecutive 2 driving cycle)

DTC Detecting Condition





Diagnostic Circuit Diagram





Signal Waveform & Data




































Fig 1) 1st gear in D range
Fig 2) 2nd gear in D range
Fig 3) 3rd gear in D range
Fig 4) 4th gear in D range
Fig 5) 5th gear in D range
Fig 6) 6th gear in D range
Fig 7) P range
Fig 8) R range
Fig 9) N range