i-ACTIVSENSE

Operation conditions

Headway control function

The TJA operates when all of the following conditions are met.

• (Automatic transmission vehicle)

  • The vehicle speed is about 0 km/h (0 mph) to 145 km/h (90 mph).

  • The selector lever is in the D or M position (manual mode).

• (Manual transmission vehicle)

  • The vehicle speed is about 30 km/h (19 mph) to 145 km/h (90 mph).

  • The shift lever is in a position other than the R or N position.

  • The clutch pedal is not depressed.

• The TJA is operating.

• The headway control function of the Mazda Radar Cruise Control (MRCC) or Mazda Radar Cruise Control with Stop & Go function (MRCC with Stop & Go function) is set to operable (if it was set to inoperable, set it to operable using the personalization function).

• The brake pedal is not depressed.

• The parking brake is released (Electric Parking Brake (EPB) indicator light is turned off).

• There is no problem with the DSC.

• All the doors are closed.

• The driver's seat belt is fastened.

 

 

Steering assist function

The steering assist function operates when all of the following conditions are met.

• Your vehicle is moving and less than about 56 km/h (35 mph).

• White (yellow) lane lines on both sides are detected and you are driving near the center of the lane, or your vehicle detects a vehicle ahead.

• The steering wheel is not turned sharply.

• The turn signal lever is not operated.

• The headway control function is operating.

• (Manual transmission vehicle)

  The vehicle speed is about 30 km/h (19 mph) or faster.

Setting method

1. CANCEL switch

2. RES switch

3. TJA switch

 

1. Press the TJA switch.

   The TJA standby indication (white) turns on. In addition, the TJA display indication is displayed on the multi-information display at the same time.

   

2. Adjust the vehicle speed to the desired setting using the accelerator pedal and press the RES switch up (SET+) or down (SET-) to start headway control.

   The set speed is indicated on the display. At the same time, the TJA standby indication (white) changes to the TJA set indication (green).

   

3. The headway control is operable when all of the conditions for it to operate are met, or the steering assist function is operable when all of the conditions for it to operate are met.

 

Changing the set vehicle speed

(To accelerate/decelerate using the RES switch)

When the RES switch is pressed up (SET+), the vehicle accelerates and when the RES switch is pressed down (SET-), it decelerates.

• Press and release immediately: 1 km/h (1 mph)

• Press and hold: 10 km/h (5 mph)

(To increase speed using accelerator pedal)

Depress the accelerator pedal and press the RES switch up (SET+) or down (SET-) at the desired speed. If the switch is not operated, the system returns to the set speed after you release your foot from the accelerator pedal.

 

Changing the distance between vehicles during headway control

The distance-between-vehicles can be set to 4 levels; Long, medium, short, and extremely short distance.

The distance-between-vehicles is set to a shorter distance by pressing the CANCEL switch down. The distance-between-vehicles is set to a longer distance by pressing the CANCEL switch up.

1. Displays a pop-up image when the CANCEL switch is operated.

 

The function is temporarily canceled.

Headway control function

When the following operations are performed, the headway control function is temporarily canceled and the TJA set indication (green) changes to the TJA standby indication (white) at the same time.

• The CANCEL switch is pressed one time.

• The brake pedal is depressed.

• (Automatic transmission vehicle)

  The selector lever is in the P, N, or R position.

• (Manual transmission vehicle)

  The shift lever is in the R position.

 

In the following cases, the TJA cancel indication is displayed and a sound is activated one time.

• The DSC has operated.

• The Smart Brake Support (SBS) has operated.

• The vehicle is driven on a downslope for a long time.

• There is a problem with the system.

• The front radar sensor cannot detect target objects (during rain, fog, snow or other inclement weather conditions, or when the radiator grille is dirty).

• The parking brake is applied.

• Any of the doors is opened.

• The driver's seat belt is unfastened.

• The operation frequency of the braking by the TJA control is high.

• (Automatic transmission vehicle)

  The parking brake is automatically applied during stop hold control.

• (Manual transmission vehicle)

  • The vehicle speed decreases below 25 km/h (15 mph).

  • The shift lever is in the neutral position for a certain period of time.

  • The clutch pedal is depressed for a certain period of time.

  • The engine has stalled.

 

Steering assist function

If any of the following conditions occurs, the steering assist function is temporarily canceled.

• The headway control function is canceled.

• White (yellow) lane lines cannot be detected or a vehicle ahead cannot be recognized.

• Your vehicle speed is more than about 64 km/h (40 mph).

• The accelerator pedal is operated.

• The turn signal lever is operated.

• The vehicle is being driven on a sharp curve.

• The width of a lane is excessively narrow or wide.

• The vehicle crosses a lane line.

• The driver takes his/her hands off the steering wheel.

• The steering wheel is operated abruptly.

• There is a problem with the system.

• The temperature in the Forward Sensing Camera (FSC) is too high or too low.

• The windshield around the Forward Sensing Camera (FSC) is foggy.

• The windshield around the Forward Sensing Camera (FSC) is blocked by an obstruction, causing poor forward visibility.

 

 

To resume operation

If the TJA is temporarily canceled, it will resume operation at the previously set speed by pressing the RES switch after all of the operation conditions have been met.

 

Turning off

When the TJA switch is pressed while the TJA is operating, the TJA turns off.