TRANSMISSION RANGE (TR) SWITCH
2016 – MX-5 – Transmission/Transaxle
TRANSMISSION RANGE (TR) SWITCH
Purpose/Function
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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.
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Its functions are as follows:
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Enables engine starting only in P or N positions
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Used as shifting control signals
Construction/Operation
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The manual shaft penetrates the TR switch which is installed to the transmission case.
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The TR switch includes a starter circuit and position circuit.
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When the selector lever is operated, the TR switch swiches internal circuits according to the manual shaft rotetion