id0140q1206200
Outline
Block Diagram
am2zzn00003424
|
Operation
A/C cut-off control operation conditions
—: Not applicable
| Operation condition |
While A/C relay not energized |
Purpose |
|---|---|---|
|
At engine start
|
Approx. 4 s
|
Improved startability
|
|
When engine is restarted by i-stop control
|
Approx. 3 s
|
Improved startability
|
|
When high engine speed (
approx. 6,700 rpm or more)
|
—
|
A/C compressor reliability assurance
|
|
Accelerated
|
Approx. 5 s (without Mazda M Hybrid)
Approx. 3—5 s (with Mazda M Hybrid)
|
Acceleration from standstill/acceleration performance improvement
|
|
Time under i-stop control, vehicle speed of
1 km/h {0.6 mph} or less
|
—
|
i-stop function reliability improvement
|
|
Refrigerant pressure
3.14 MPa {32.0 kgf/cm2, 455 psi} or more
|
—
|
A/C compressor reliability assurance
|
|
Refrigerant pressure of
0.196 MPa {2.00 kgf/cm2, 28.4 psi} or less continues for
5 s or more
|
—
|
A/C compressor reliability assurance
|
|
Drive-by-wire control malfunction
|
—
|
Reverse driving performance assurance
|
|
Panic braking determined
|
—
|
Load performance assurance
|
|
ECT sensor malfunction
|
—
|
Engine protection
|
|
When high engine coolant temperature (
approx. 113 °C {235 °F} or more)
|
Cuts off the A/C intermittently, and if the engine coolant temperature does not decrease, cuts off the A/C continuously.
|
Engine protection
|
|
Travel on ascending road
|
—
|
Ascent performance improvement
|