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Home >> Nissan-Datsun >> 1992 >> Sentra SE-R >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Miscellaneous Controls >> A/C Clutch

A/C Clutch

If A/C switch is turned on while engine is at idle, ECU will signal the Auxiliary Air Control (AAC) and/or the Idle-Up solenoid to increase idle speed. During hard acceleration, ECU cuts off the A/C power relay circuit to disengage A/C clutch for several seconds to aid acceleration.