TRANSMISSION RANGE (TR) SWITCH

id051300701000

Purpose/Function

• The transmission range (TR) switch detects the position of the selector lever and sends information on which range is selected in the automatic transmission to the TCM.

• Its functions are as follows:

― Enables engine starting only in P or N positions

― Used as shifting control signals

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Construction/Operation

• The manual shaft penetrates the TR switch which is installed to the transmission case.

• The TR switch includes a starter circuit and position circuit.

• When the selector lever is operated, the TR switch swiches internal circuits according to the manual shaft rotetion