850 T-5R L5-2.3L Turbo VIN 58 B5234T5 (1995)
Compressor Clutch Relay: Description and Operation
A/C System
PURPOSE
The ECM controls operation of the AC electromagnetic clutch to decrease engine load and prevent overheating.
OPERATION
The ECU prevents the AC clutch from operating when:
- The throttle is fully open (as signaled from the throttle position switch). Maximum 15 seconds.
- Coolant temperature is above 257° F (125° C) as signaled from the coolant temperature sensor.
- If A/C system pressure exceeds 3000 kPa.
