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Home >> Geo >> 1989 >> Tracker Base, Automatic >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Theory/Operation >> Computerized Engine Controls >> Input Devices >> Air Conditioner Signal

Air Conditioner Signal

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Vehicles with air conditioning signal ECM from A/C control module when air conditioner is in operation. Signal is received at ECM terminal and used with other inputs to determine idle speed and idle air control operation.

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