Function Description
When the stop/start system readiness conditions are satisfied while the vehicle is moving, the system is ready.
When the stop/start system operation conditions are satisfied while the vehicle is in a stop condition, the engine is stopped.
In addition, the AT electric oil pump is activated to supply oil pressure to the clutch and the pulley.
The amount of fuel saved by the stop/start system and CO 2 saved information are indicated on the combination meter.
When the engine restart conditions are satisfied, ECM makes IPDM E/R restart the engine.
After restarting the engine, the stop/start indicator lamp and the indication on the information display turn OFF.
Stop/Start Readiness Condition
ECM judges stop/start system is ready when the following conditions are satisfied.
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Item |
Condition |
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Vehicle |
Stop/start OFF switch |
OFF (Switch indicator: OFF) |
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Stop/start indicator Lamp |
Not blink (No malfunction) |
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Door (driver side) |
Close |
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Seat belt (driver side) |
Fastened |
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Driving history |
Drive the vehicle at 13 km/h (8 MPH) or more after start the engine with ignition switch |
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Drive the vehicle at 8 km/h (5 MPH) or more after restart
NOTE:
When shift the selector lever R to D, drive the vehicle at 10 km/h (6.3 MPH) or more.
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Passes 5 seconds or more after restart |
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Hood |
Close |
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Air conditioning |
Automatic air conditioning |
Not in DEF mode |
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Receives Stop/start permit signal |
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Manual air conditioning |
Not in DEF mode |
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ABS |
System is normal |
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ABS not activated *2 |
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Receives Stop/start permit signal |
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EPS |
System is normal |
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Battery status |
Receives Stop/start permit signal from IPDM E/R. |
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Gear Position |
D position |
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I-key |
I-key exists inside vehicle |
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ST RLY operation status |
Relay operates correctly |
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Starter motor |
No starter motor long continuous operation |
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Delivery mode |
Not in delivery mode *2 |
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Brake booster pressure |
Presence of sufficient negative pressure to a brake force. (Refer to System Description .) |
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Stand Still Activation |
Receives Stop/Start permit signal. |
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Pro pilot |
Receives Stop/Start permit signal. |
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Intelligent Parking Assist |
Receives Stop/Start permit signal. |
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Drive mode switch |
Detects TOW mode. |
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*1: If ABS system is activated, drive the vehicle at 12 km/h (7.5 MPH) or more after stop the vehicle.
*2: No activation in market
- The stop/start system may be cancelled when the battery is weak or if a battery other than the stop/start system specific battery is used.
- Even though the vehicle is in above conditions, the stop/start system may be cancelled automatically.
Stop/Start Operation Condition
When the following conditions are satisfied, ECM stops the engine. And the combination meter turns ON a stop/start indicator lamp.
|
Item |
Condition |
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Vehicle |
Vehicle speed |
Vehicle stopped [0 km/h (0 MPH)] |
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Steering wheel |
Not steer (steering force does not occur) |
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Brake pedal |
Depressed |
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Brake fluid pressure |
0.6 Mpa (6 bar, 6.12 kg/cm 2 , 87 psi) |
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Vehicle angularity |
Approx. 14% or less |
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ST RLY Cut relay |
Close |
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Engine |
Engine speed |
Around idle speed (Approx. 1, 200 rpm or less) |
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Elevation |
2500 m (8, 202 ft) |
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Engine coolant temperature |
37 - 100 deg.C (98.6 - 212 deg.F) |
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Engine system |
Permit Stop/start operation |
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Transmission |
Transmission system |
Receives Stop/start permit signal |
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Gear position |
D position. |
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Restart Condition
When any of the following conditions is satisfied during stop/start system operating condition, ECM restarts the engine. And the combination meter turns OFF the stop/start indicator lamp.
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Item |
Condition |
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Stop/Start before vehicle halt |
Stop/Start |
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Vehicle |
Stop/start OFF switch |
ON (Switch indicator ON) |
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Door (driver side) |
Open |
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Seat belt |
Released |
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I-key |
I-key doesn't exist inside vehicle |
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Air conditioning |
Auto air conditioning |
Select DEF mode |
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Air conditioning system cannot keep the performance. |
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Manual air conditioning |
Select DEF mode and fan is ON |
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Brake |
Brake pedal |
Released |
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Brake pedal negative pressure |
Insufficient brake negative pressure |
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Accelerator pedal |
Depressed |
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Engine |
Engine coolant temperature |
less than 36 deg.C (96.8 deg.F), over than 100 deg.C (212 deg.F) |
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Engine system |
Inhibit Stop/start operation |
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Trans mission |
Shift lever position |
Except for D position |
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Paddle shift |
Operation |
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Battery |
Poor battery performance (for details, refer to System Description .) |
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ABS |
Receives Stop/start operation |
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Intelligent Parking Assist |
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Stand Still Assist |
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Traffic Jam Pilot |
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Emargency brake |
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Drive mode switch |
Selected the TOW mode |
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Engine stalled Condition
When any of the following conditions is satisfied during stop/start system operating condition, ECM stalls the engine.
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Item |
Condition |
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Vehicle |
Hood |
Open |
- The engine may restart automatically if required by the Idling Stop System.
- Place the Ignition switch in the "OFF" position before opening the hood or performing any maintenance. Failure to do so may result in serious injuries due to automatic engine restart.
- Always place the Ignition switch in the "OFF" position before leaving your vehi-cle, as the system may have turned the engine off, but the Ignition will still be on and automatic restart may occur.