chevrolet Workshop Repair Guides

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Air Flow Meter/Sensor > < Valve Clearance Specifications|Page 3576
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A/C Signal: Description and Operation

This signal indicates that the A/C control switch is turned "ON" and the pressure switch is closed. The control module uses this signal to adjust the idle
speed.

Air Flow Meter/Sensor > < Valve Clearance Specifications|Page 3576