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Home >> Chevrolet >> 2018 >> Spark LT, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Automatic Transmission - JATCO CVT) >> Description and Operation >> Electronic Component Description >> Primary Speed Sensor

Primary Speed Sensor

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The primary speed sensor is installed to the transmission side cover.

The primary speed sensor detects the primary pulley speed and generates an ON-OFF pulse signal according to the rotor speed.

TCM judges the rotor speed from the pulse signal.

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