A/C CUT-OFF CONTROL OPERATION[ZJ, ZY, Z6]
id0140b1103700
Operation Condition
A/C cut-off control operation conditions
Operation condition |
A/C relay non-energization period |
Purpose |
---|---|---|
At engine start
|
Approx. 4 s
|
Improved startability
|
At drive-away
|
Approx. 3 s
|
Improved drive-away performance
|
During acceleration (throttle valve opening angle 50% or more)
|
Approx. 5 s
|
Improved acceleration performance
|
When engine coolant temperature is 113°C {235°F}.
|
Repeatedly turns on and off every 10 s until the engine coolant temperature is less than approx. 110°C {230°F}
|
Improved engine reliability
|
Engine coolant temperature is 117°C {243°F} or more.
|
Until engine coolant temperature is less than 114°C {237°F}.
|
Improved engine reliability
|
At high engine speed
(engine speed 6,500 or more)
|
Until engine speed decreases to less than 6,400 rpm
|
Improved A/C compressor reliability
|
During P/S operation (idling) (Without throttle valve actuator)
|
Until P/S turns off
|
Improved idling stability
|
When temperature in PCM is fixed or more
|
—
|
PCM protection
|