Toyota Yaris: Dynamic Radar Cruise Control System / Fail-safe Chart

Toyota Yaris XP210 (2020-2022) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Dynamic Radar Cruise Control System / Fail-safe Chart

FAIL-SAFE CHART

Constant Speed Control Mode:

Condition

Multi-information Display

Cruise Control Indicator

Warning Buzzer

When the following condition(s) occurs while the vehicle is in motion during cruise control, the system clears the set vehicle speed and cancels cruise control.

  1. When the vehicle running speed has fallen below the lower speed limit (approximately 30 km/h [20 mph])

-

Illuminates

-

When the following condition(s) occurs while the vehicle is in motion during cruise control, the system clears the set vehicle speed and cancels cruise control. Cruise control is prohibited until the ignition switch is turned off.

  1. Malfunction in SFI system

-

Does not illuminate

-

When the following condition(s) occurs while the vehicle is in motion during cruise control, there is a possibility of overloading or an overly high set vehicle speed and such. Clear the set vehicle speed and cancel cruise control (can be reset).

  1. Vehicle speed is less than set vehicle speed by approximately 16 km/h (10 mph) or more

-

Illuminates

-

When the following condition(s) occurs while the vehicle is in motion during cruise control, the system clears the set vehicle speed and cancels cruise control. Cruise control is prohibited until the ignition switch is turned off.

  1. Open or short in stop light switch circuit

Cruise Control Malfunction Visit Your Dealer

Does not illuminate

Sounds

When the following condition(s) occurs while the vehicle is in motion during cruise control, the system cancels cruise control. Cruise control is prohibited until the ignition switch is turned off.

  1. Malfunction in stop light switch input circuit
  2. Malfunction in cruise control cancel circuit
  3. Malfunction in the vehicle stability control system
  4. Communication malfunction between skid control ECU (brake actuator assembly) and ECM

Cruise Control Malfunction Visit Your Dealer

Does not illuminate

Sounds

When the following condition(s) occurs while the vehicle is in motion during cruise control, cruise control (set vehicle speed is held) is canceled.

  1. VSC operates
  2. TRC operates for a certain period of time
  3. TRC/VSC is turned off
  4. Pre-collision system operates

-

Illuminates

-

Automatic Cancel Control

Vehicle-to-Vehicle Distance Control Mode:

Condition

Multi-information Display

Cruise Control Indicator

Warning Buzzer

When the following condition(s) occurs while the vehicle is in motion during dynamic radar cruise control, the system clears the set vehicle speed and cancels cruise control. Cruise control is prohibited until the ignition switch is turned off.

  1. Malfunction in SFI system

-

Does not illuminate

-

When the following condition(s) occurs while the vehicle is in motion during dynamic radar cruise control, the system clears the set vehicle speed and cancels cruise control. Cruise control is prohibited until the ignition switch is turned off.

  1. Open or short in stop light switch circuit
  2. Malfunction in stop light switch input circuit
  3. Malfunction in cruise control cancel circuit
  4. Malfunction in the vehicle stability control system
  5. Communication malfunction between skid control ECU (brake actuator assembly) and ECM
  6. Malfunction in the millimeter wave radar sensor assembly
  7. Beam axis of millimeter wave radar sensor assembly misaligned
  8. Malfunction in brake hold system

Cruise Control Malfunction Visit Your Dealer

Does not illuminate

Sounds

When the following condition(s) occurs while the vehicle is in motion during dynamic radar cruise control, the system clears the set vehicle speed and cancels cruise control. Control is prohibited until the dynamic radar cruise control system is turned off and turned on again. Also, cruise control is prohibited until system returns to normal from the following condition.

  1. The millimeter wave radar sensor assembly dirty.
  2. The forward recognition camera dirty

HINT:

It is possible that the system has entered fail-safe mode due to snow or water on the front grille.

Radar Cruise Control Unavailable See Owner's Manual

Does not illuminate

Sounds

When the following condition(s) occurs while the vehicle is in motion during dynamic radar cruise control, the system clears the set vehicle speed and cancels cruise control. Control is prohibited until the dynamic radar cruise control system is turned off and turned on again. Also, cruise control is prohibited until system returns to normal from the following condition.

  1. When vehicle-to-vehicle distance measurement is extremely unstable due to bad weather
  2. Brake control by the dynamic radar cruise control system is temporarily unavailable
  3. Malfunction in the forward recognition camera or the forward recognition camera is temporarily unavailable
  4. The beam axis of the millimeter wave radar sensor assembly is being aligned.

Radar Cruise Control Unavailable

Does not illuminate

Sounds

When the following condition(s) occurs while the vehicle is in motion during cruise control, the system clears the set vehicle speed and cancels cruise control.

  1. When the vehicle running speed has fallen below the lower speed limit (approximately 30 km/h [20 mph])

-

Illuminates

Sounds

When the following condition(s) occurs while the vehicle is in motion during dynamic radar cruise control, cruise control (set vehicle speed is held) is canceled.

  1. VSC operates
  2. TRC operates for a certain period of time
  3. Drive start control is performed
  4. TRC/VSC is turned off
  5. Pre-collision system operates

-

Illuminates

-

    Freeze Frame Data

    FREEZE FRAME DATA CHECK FREEZE FRAME DATA HINT: The ECU records vehicle and driving condition information as freeze frame data the moment a DTC is stored...

    Data List / Active Test

    DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

    Other information:

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Terminals Of Ecu


    TERMINALS OF ECU *1 Power Distribution Box Assembly *2 Main Body ECU (Multiplex Network Body ECU) CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY (a) Remove the main body ECU (multiplex network body ECU) from the power distribution box assembly...

    Toyota Yaris XP210 (2020-2022) Reapir and Service Manual: Removal


    REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. The front speed sensor rotor is a component of the front axle hub sub-assembly. If the front speed sensor rotor is malfunctioning, replace the front axle hub sub-assembly...

    Categories

    Liftgate/Trunk Lid

    WARNING

    Never allow a person to ride in the luggage compartment/trunk

    Allowing a person to ride in the luggage compartment/trunk is dangerous. The person in the luggage compartment/trunk could be seriously injured or killed during sudden braking or a collision.

    Do not drive with the liftgate/trunk lid open

    read more

     
    Copyright © 2022 www.toyaris4.com