Operation CHARM: Car repair manuals for everyone.

Compressor Clutch: Description and Operation

SYSTEM DESCRIPTION
Auto amplifier controls compressor operation by ambient temperature and signal from ECM.

Low Temperature Protection Control
Unified meter and A/C amp. (auto amp.). Will Turn compressor ON or OFF as determined by a signal detected by ambient sensor and intake sensor.




When ambient temperatures are greater than -2 °C (28 °F), the compressor turns ON. The compressor turns OFF when ambient temperatures are less than -5 °C (23 °F).




When intake air temperatures are greater than 1 °C (34 °F), the compressor turns ON. The compressor turns OFF when intake air temperatures are less than -5 °C (23 °F).