Toyota Yaris: ABS/TCS/DSC / Traction Control System (TCS)

Toyota Yaris XP210 (2020-2022) Owner's Manual / When Driving / ABS/TCS/DSC / Traction Control System (TCS)

The Traction Control System (TCS) enhances traction and safety by controlling engine torque and braking. When the TCS detects driving wheel slippage, it lowers engine torque and operates the brakes to prevent loss of traction.

This means that on a slick surface, the engine adjusts automatically to provide optimum power to the drive wheels, limiting wheel spin and loss of traction.

The warning light turns on when the system has a malfunction. Refer to Contact Your Toyota Dealer and Have Vehicle Inspected.

To turn off the TCS, press the DSC OFF switch.

WARNING

Do not rely on the Traction Control System (TCS) as a substitute for safe driving

The Traction Control System (TCS) cannot compensate for unsafe and reckless driving, excessive speed, tailgating (following another vehicle too closely), and hydroplaning (reduced tire friction and road contact because of water on the road surface). You can still have an accident.

Use snow tires or tire chains and drive at reduced speeds when roads are covered with ice and/or snow

Driving without proper traction devices on snow and/or ice-covered roads is dangerous. The Traction Control System (TCS) alone cannot provide adequate traction and you could still have an accident.

TCS/DSC Indicator Light

This indicator light stays on for a few seconds when the ignition is switched ON. If the TCS or DSC is operating, the indicator light flashes.

Toyota Yaris. Traction Control System (TCS)

If the light stays on, the TCS, DSC or the brake assist system may have a malfunction and they may not operate correctly. Take your vehicle to your Toyota dealer.

 

  • In addition to the indicator light flashing, a slight lugging sound will come from the engine. This indicates that the TCS/DSC is operating properly.
  • On slippery surfaces, such as fresh snow, it will be impossible to achieve high rpm when the TCS is on.

    Antilock Brake System (ABS)

    The ABS control unit continuously monitors the speed of each wheel. If one wheel is about to lock up, the ABS responds by automatically releasing and reapplying that wheel’s brake...

    Dynamic Stability Control (DSC)

    The Dynamic Stability Control (DSC) automatically controls braking and engine torque in conjunction with systems such as ABS and TCS to help control side slip when driving on slippery surfaces, or during sudden or evasive maneuvering, enhancing vehicle safety...

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    DESCRIPTION Detection Item Symptom Trouble Area 4WD Control ECU Communication Stop Mode Communication stop for "Four Wheel Drive Control" is indicated on the "Communication Bus Check" screen of the GTS. Click here 4WD ECU assembly branch line or connector Power source circuit of 4WD ECU assembly 4WD ECU assembly ground circuit 4WD ECU assembly WIRING DIAGRAM CAUTION / NOTICE / HINT CAUTION: When performing the confirmation driving pattern, obey all speed limits and traffic laws...

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