A/C CUT-OFF CONTROL OPERATION [ZJ, ZY]
id0140c4103700
Operation Condition
A/C cut-off control operation conditions
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Operation condition |
A/C relay non-energization period |
Purpose |
|---|---|---|
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At engine start
|
Approx. 4 s
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Improved startability
|
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At drive-away
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Approx. 3 s
|
Improved drive-away performance
|
|
During acceleration (throttle valve opening angle 50% or more)
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Approx. 5 s
|
Improved acceleration performance
|
|
When engine coolant temperature is 113°C {235°F}
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Repeatedly turns on and off every 10 s until the engine coolant temperature is less than approx. 107°C {225°F}
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Improved engine reliability
|
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Engine coolant temperature is 117°C {243°F} or more
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Until engine coolant temperature is less than 110°C {230°F}
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Improved engine reliability
|
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At high engine speed
(engine speed 6,800 or more)
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Until engine speed decreases to less than 6,300 rpm
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Improved A/C compressor reliability
|
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When temperature in PCM is 115°C {239°F} or more
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Until temperature is PCM decreases to less than 112°C {234°F}
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PCM protection
|
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When evaporator temperature sensor is less than 3.7°C {39°F}*1
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Until evaporator temperature sensor is 4.5°C {40°F} or more
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To prevent blocking the air passing through evaporator due to freezing of dripping water.
|
|
• Brake pedal is depressed with all of the following conditions met
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Approx. 2 s
|
Braking performance improvement
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