Toyota Yaris: Brake System (other) / Brake Booster

Brake System (other)

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On-vehicle Inspection

ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT BRAKE BOOSTER ASSEMBLY (a) Airtightness check (1) Start the engine and stop it after 1 or 2 minutes. Slowly depress the brake pedal several times...

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: System Diagram

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Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Fail-safe Chart

FAIL-SAFE CHART FAIL-SAFE OPERATION If there is a problem with sensor signals or actuator systems, the skid control ECU prohibits power supply to the brake actuator assembly and informs the ECM of an VSC system malfunction. The brake actuator assembly turns off the solenoids and the ECM stops its VSC control according to signals from the skid control ECU...