Compressor Clutch Relay: Description and Operation

A/C Cut-Off Control System:

In order to maintain acceleration performance with the air conditioning system in operation, the ECU will initiate A/C cut-off under certain conditions by de-energizing the A/C clutch relay.

A/C cut-off operates for approximately 7 seconds under these conditions:

1. A/C switch "ON."
2. Blower switch "ON."
3. Manual transmission in gear and clutch released. Automatic transmission in D, S or L range.
4. More than half throttle (throttle valve opening angle greater than 50°).