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Home >> Infiniti >> 2000 >> Q45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 3 (Engine Controls - Theory & Operation) >> Computerized Engine Controls >> Input Devices >> A/C Switch
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A/C Switch

WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 Nissan Xterra, 2000 Nissan Sentra, 2000 Nissan Quest, 2000 Nissan Pathfinder, and 2000 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

Informs ECM when A/C system is on. ECM responds by increasing idle speed to improve idling and reduce emissions. During heavy engine load, ECM will also open A/C clutch relay to disengage A/C clutch.

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