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Home >> Jeep >> 1993 >> Grand Cherokee Base, 5.2 Y, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - 5.2L >> Computerized Engine Controls >> Input Devices >> Serial Communication Interface (SCI) Receive
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Serial Communication Interface (SCI) Receive

SCI receive is serial communication link used when diagnosing vehicle using DRB-II tester. PCM receives data and device activation commands from DRB-II on this circuit.

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