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Home >> Land Rover >> 2012 >> LR4 HSE Lux >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission/Transaxle External Controls >> Automatic Transmission/Transaxle External Controls (V8 5.0L Petrol) >> Description & Operation >> External Controls >> Selector Lever Assembly >> Manual/Sport and +/- CommandShift® Sensors

Manual/Sport and +/- CommandShift® Sensors

The PCB in the selector lever assembly contains Hall effect sensors to activate the M/S mode and provide the +/- signals.

When the selector lever is moved to the M/S position, the lower magnet located in the selector lever is moved close to the M/S Hall effect sensor on the PCB. This provides a signal for the transmission control module (TCM), which initiates sport mode.

When the selector lever is moved to the + or - position, the magnet is moved close to one of the Hall effect sensors positioned either side of the M/S Hall effect sensor. When an input from either the + or - sensor is received, manual CommandShift® mode is initiated by the transmission control module (TCM). A spring moves the selector lever back to the center position when released. When the selector lever is moved back to the D position, the transmission control module (TCM) returns to normal automatic operation.