VehiCROSS 4WD V6-3.5L (1999)
A/C Signal: Description and Operation
A/C Request Signal
This signal tells the PCM when the A/C mode is selected at the A/C control switch. The PCM uses this signal to adjust the idle speed before turning ON
the A/C clutch.
The A/C compressor will be inoperative if this signal is not available to the PCM.
For A/C wiring diagrams and diagnosis for the A/C electrical system, refer to Air Conditioning Compressor/Testing and Inspection/A/C Clutch
Circuit Diagnosis.
