Toyota Yaris: Brake System / Brake Assist

Toyota Yaris XP210 (2020-2024) Owner's Manual / When Driving / Brake / Brake System / Brake Assist

During emergency braking situations when it is necessary to depress the brake pedal with greater force, the brake assist system provides braking assistance, thus enhancing braking performance.

When the brake pedal is depressed hard or depressed more quickly, the brakes apply more firmly.

When the brake pedal is depressed hard or depressed more quickly, the pedal will feel softer but the brakes will apply more firmly. This is a normal effect of the brake assist operation and does not indicate a malfunction.
When the brake pedal is depressed hard or depressed more quickly, a motor/pump operation noise may be heard. This is a normal effect of the brake assist and does not indicate a malfunction.
The brake assist equipment does not supersede the functionality of the vehicle’s main braking system.

Brake Pad Wear Indicator

When the disc brake pads become worn, the built-in wear indicators contact the disc plates. This causes a screeching noise to warn that the pads should be replaced...

Hill Launch Assist (HLA)(If equipped)

Hill Launch Assist (HLA) is a function which assists the driver in accelerating from a stop while on a slope. When the driver releases the brake pedal and depresses the accelerator pedal while on a slope, the function prevents the vehicle from rolling...

Other information:

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Diagnostic Trouble Code Chart

DIAGNOSTIC TROUBLE CODE CHART Diagnostic Trouble Code Chart DTC No. Detection Item Trouble Area Link B102004 Central Gateway ECU System Internal Failure Central gateway ECU (network gateway ECU) U117087 Lost Communication With Brake System Control Module(ch2) Missing Message CAN main/branch bus lines or connector Engine stop and start ECU Brake actuator assembly Central gateway ECU (network gateway ECU) No...

Toyota Yaris XP210 (2020-2024) Reapir and Service Manual: Intake Air Temperature Sensor 1 Bank 1 Circuit Short to Battery or Open (P011015)

DESCRIPTION Refer to DTC P011011. Click here HINT: When DTC P011015 is stored, the ECM enters fail-safe mode. During fail-safe mode, the intake air temperature is estimated to be 20°C (68°F) by the ECM. Fail-safe mode continues until a pass condition is detected, and the ignition switch is then turned off...