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Home >> Mitsubishi >> 1992 >> Precis Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Testing >> Speed Sensitive Wiper System Test >> Vehicle Speed Sensor Input Circuit
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Vehicle Speed Sensor Input Circuit

Disconnect ETACS control unit. Jack up front of vehicle. Rotate tires in forward direction while measuring continuity between control unit harness connector terminal No. 4 and ground. See Figure -Figure . Continuity should vary between continuity and NO continuity as tires rotate.

NOTE: Sensor sends 4 pulse signals, 0-8 volts for each rotation of transmission's output gear, to control unit terminal No. 4.
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