Circuit Description
When A/C compressor clutch is engaged, A/C compressor control module will send an A/C idle-up signal to PCM. PCM signals Idle Air Control (IAC) valve (Metro) to increase idle speed and compensate for A/C compressor load.
When A/C compressor clutch is engaged, A/C compressor control module will send an A/C idle-up signal to PCM. PCM signals Idle Air Control (IAC) valve (Metro) to increase idle speed and compensate for A/C compressor load.