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Home >> Cadillac >> 2009 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Adjustable Pedal System) >> Diagnostic Information and Procedures >> Adjustable Pedals Inoperative (w/o Memory) >> Circuit/System Description
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Circuit/System Description

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Voltage to the adjustable pedal switch is supplied through the park enable relay while in a de-energized state. The park enable relay is controlled by the body control module (BCM) through a high side drive control circuit and will be energized whenever the ignition is in the accessory, run, or crank positions and the transmission is in reverse or the cruise control is engaged. The adjustable pedals switch controls the adjustable pedals relay by applying battery voltage to one of the coils. In an inactive state both of the relay switch contacts are closed to ground and when one of the relay coils is energized its switch contact is closed to battery voltage.