i-STOP (engine-stop control) permit condition
- The conditions to stop the engine by the i-stop control are as follows:
DETERMINATION CONDITIONS
| Determination module | Determination item | Determination condition | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ATX | MTX | ||||||||||||
| PCM | Vehicle speed If i-stop control is performed (engine stop control) while vehicle is stopped | 0 km/h {0 mph} | 3 km/h {1 mph} or less | ||||||||||
| Vehicle speed If i-stop control is performed (engine stop control) while driving |
20 km/h {12 mph} or less | 17 km/h {10.6 mph} or less | |||||||||||
| Brake pedal | Brake pedal is depressed while in D or M position However, no brake pedal conditions during Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) and Cruising & Traffic Support (CTS) operation (1) | Not applicable | |||||||||||
| PCM | Brake fluid pressure | Brake fluid pressure is 1.35 MPa {13.8 kgf/cm 2 , 196 psi} or more while in D or M position (perform correction according to vehicle inclination angle) However, no brake fluid pressure conditions during Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) and Cruising & Traffic Support (CTS) operation (1) | Not applicable | ||||||||||
| Brake stroke | 3 mm {0.1 in} or more | Not applicable | |||||||||||
| Panic brake | Not operating | ← | |||||||||||
| ABS control | Not operating | ← | |||||||||||
| Accelerator pedal | Released | ← | |||||||||||
| Clutch pedal | Not applicable | Released | |||||||||||
| MTX gear position | Not applicable | Neutral | |||||||||||
| Vehicle conditions | Vehicle is stopped in D position (2) | Not applicable | |||||||||||
| Steering speed | 15 deg/s or less | ← | |||||||||||
| Steering angle | Within 65° of center to left and right | Not applicable | |||||||||||
| If i-stop control is performed (engine stop control) while vehicle is stopped | (After EPS control module learns center value) | ||||||||||||
| Steering angle If i-stop control is performed (engine stop control) while driving | Within 20° of center to left and right (After EPS control module learns center value) |
← | |||||||||||
| Steering torque | 1.1 N.m {11 kgf.cm, 9.7 in.lbf} or less | ← | |||||||||||
| i-stop OFF switch | OFF | Not applicable | |||||||||||
| Vehicle speed history (After engine started and driven once) If i-stop control is performed (engine stop control) while driving |
|
Driving at a speed of 11 km/h {6.8 mph} or more | |||||||||||
| Vehicle speed history (After engine started and driven once) If i-stop control is performed (engine stop control) while vehicle is stopped |
3 km/h {2 mph} | 4 km/h {3 mph} | |||||||||||
| Battery charge condition (4) | 65.72 % or more | ← | |||||||||||
| Battery fluid temperature (4) | 0-70°C {32-158°F} | ← | |||||||||||
| Battery voltage (4) | 11.2 V or more | ← | |||||||||||
| Power brake unit vacuum (4) | -49.8 kPa {-0.508 kgf/cm 2 , -7.22 psi} or less (value calculated by subtracting BARO from BBP) | ← | |||||||||||
| Door (driver's side) | Closed | ← | |||||||||||
| Hood | Closed | ← | |||||||||||
| Vehicle inclination angle If i-stop control is performed (engine stop control) while vehicle is stopped | Within ±7° when level | Not applicable | |||||||||||
| Vehicle inclination angle If i-stop control is performed (engine stop control) while driving | Within ±1.1° when level | ← | |||||||||||
| Seat belt (driver's side) | Fastened (3) | ← | |||||||||||
| PCM | Steering angle sensor initial setting | Completed | ← | ||||||||||
| Battery condition setting (4) | Completed | ||||||||||||
| Engine coolant temperature | 36-110°C {97-230°F} | ← | |||||||||||
| Intake air temperature | 100°C {212°F} or less | ← | |||||||||||
| Altitude | 2, 000 m {6561 ft} or less | ← | |||||||||||
| System condition | i-stop related part DTCs are not recorded | ← | |||||||||||
| Mazda M Hybrid battery voltage (5) | 20 V or more | ← | |||||||||||
| Mazda M Hybrid battery condition (5) | 30 % or more | ← | |||||||||||
| Mazda M Hybrid battery temperature (5) | 59°C {138°F} or less | ← | |||||||||||
| ISG MOSFET temperature (5) | 100°C {212°F} or less | ← | |||||||||||
| ISG monitoring board temperature (5) | 100°C {212°F} or less | ← | |||||||||||
| Brake coordinated control end (5) | Completed | Not applicable | |||||||||||
| Request deceleration speed | When any of the following conditions is met
|
Not applicable | |||||||||||
| Cylinder deactivation control | Vehicle is not being driven with 2 cylinders | ← | |||||||||||
| Drive selection switch | Other than SPORT mode | Not applicable | |||||||||||
| BCM | +B (ROOM fuse) input | Yes | ← | ||||||||||
| IG1 input | Yes | ← | |||||||||||
| ACC input | Yes | ← | |||||||||||
| IG1 output | Yes | ← | |||||||||||
| ACC output | Yes | ← | |||||||||||
| Push button | Not pressed | ← | |||||||||||
| Door (all) | Closed | ← | |||||||||||
| Liftgate | Closed | ← | |||||||||||
| Seat belt (driver's side) | Fastened (3) | ← | |||||||||||
| Engine start | Engine was started by operating push button with key inside cabin (engine started first time) | ← | |||||||||||
| Engine rotation speed | 300 RPM or more is maintained after engine started | ← | |||||||||||
| System condition | i-stop related part DTCs are not recorded | ← | |||||||||||
| TCM | TCM detection condition | All met (I-Stop_EST: On) | Not applicable | ||||||||||
| Panic stop | Brake pedal was not depressed suddenly within 4 s | Not applicable | |||||||||||
| TFT | 20-117°C {68-242°F} | Not applicable | |||||||||||
| Gear position | Not in 2nd gear fixed mode | Not applicable | |||||||||||
| System condition | i-stop related part DTCs are not recorded | Not applicable | |||||||||||
| Dash-electrical supply unit | Climate control unit determination condition | With full-auto A/C
With manual A/C
|
← | ||||||||||
| Cabin temperature (with full-auto A/C) | Difference between target cabin temperature and actual cabin temperature is a certain value or less (Cabin temperature control by A/C is normally performed) | ← | |||||||||||
| A/C temperature (with full-auto A/C) | Setting other than MAX/MIN | ← | |||||||||||
| Ambient temperature | -10-50°C {14-122°F} | ← | |||||||||||
| Cold condition (with manual A/C) | Ambient temperature is 29°C {84°F} or less and evaporator temperature is 9°C {48°F} or less | ← | |||||||||||
| Cold condition (with full-auto A/C) | Ambient temperature is 4°C {39°F} or more or evaporator temperature is 12°C {54°F} or less | ← | |||||||||||
| Warm-up operation condition (with manual A/C) | Ambient temperature is 10°C {50°F} or more and engine coolant temperature is 60°C {140°F} or more | ← | |||||||||||
| Dash-electrical supply unit | Front defroster switch | OFF | ← | ||||||||||
| System condition | i-stop related part DTCs are not recorded | ← | |||||||||||
| DSC HU/Control Module (4) Electronically controlled brake unit (5) | Operation request from PCM | Hill Launch Assist (HLA) control request signal from PCM is received | Not applicable | ||||||||||
| Vehicle inclination angle | Inclination is within ±6° with shift positioned in D/M/R or N/P (LON_ACCL_C: within ±0.104 G) | Not applicable | |||||||||||
| Wheel speed (4 wheels) | 0 km/h {0 mph} | Not applicable | |||||||||||
| Brake pedal | Brake pedal is depressed | Not applicable | |||||||||||
| Brake fluid pressure | Approx. 0.45 MPa {4.6 kgf/cm2, 65 psi} or more | Not applicable | |||||||||||
| Accelerator pedal | Released | Not applicable | |||||||||||
| System condition | i-stop related part DTCs are not recorded | Not applicable | |||||||||||
|
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