A/C CUT-OFF CONTROL [LF, L3]
id0140001035a6
Outline
• The A/C cut-off control of the Mazda6 is essentially carried over from the current 323 (BJ) FS engine model except for operation condition.
Operation Conditions
• When the A/C is operating, the PCM cuts off the power supply to the A/C relay as shown below.
A/C cut-off condition
A/C cut-off time
Purpose
During cranking
For approx. 4.0 s
Startability improvement
Throttle valve is open more than 50%
For approx. 5.0 s
Acceleration performance improvement
ECT is above 113 °C {235 °F}
Alternates between on and off for 10 seconds until ECT falls to 107 °C {225 °F}
Engine reliability improvement
ECT is above 118 °C {244 °F}
Until engine ECT falls below 113 °C {235 °F}