A/C CUT-OFF CONTROL OPERATION [MZR 2.0 DISI i-stop]


id0140j1103700


Operation Condition

•  The PCM stops energization to the A/C relay when any of the following conditions are met:

A/C cut-off control operation conditions

Operation condition

A/C relay non-energization period

Purpose

At engine start
Approx. 4 s
Improved startability
Accelerator pedal opening angle 50% or more
Approx. 5 s
Improved drive-away performance
During acceleration (accelerator pedal opening angle 12.5% or more)
Approx. 3 s
Improved acceleration performance
When engine coolant temperature is 113°C {235°F} or more
Repeatedly turns on and off every 10 s until the engine coolant temperature is less than approx. 108°C {226°F}
Improved engine reliability
Engine coolant temperature is 118°C {244°F} or more
Until engine coolant temperature is less than 110°C {230°F}
Improved engine reliability
At high engine speed
(engine speed 6,300 rpm or more)
Until engine speed decreases to less than 5,800 rpm
Improved A/C compressor reliability