Toyota Yaris: Front Radar Sensor System / Diagnosis System

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Engine & Hybrid System / Cruise Control / Front Radar Sensor System / Diagnosis System

DIAGNOSIS SYSTEM

DIAGNOSIS FUNCTION

(a) If a malfunction is detected in the millimeter wave radar sensor assembly, the millimeter wave radar sensor assembly stores DTCs without directly informing the driver, and sends malfunction signals to the systems that use the millimeter wave radar sensor assembly.

Those systems then notify the driver.

HINT:

Refer to "HOW TO PROCEED WITH TROUBLESHOOTING" when troubleshooting for the Pre-collision System.

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Terminals Of Ecu

TERMINALS OF ECU NOTICE: Turning the ignition switch to ON with connectors disconnected may cause DTCs to be stored. Make sure to clear the DTCs after inspection has been performed...

Dtc Check / Clear

DTC CHECK / CLEAR CHECK DTC (a) Check for DTCs (Test Failed / Pending / Confirmed). Body Electrical > Front Radar Sensor > Trouble Codes GTS Display Description Test Failed Represent malfunctions that were detected during the current trip...

Other information:

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

REMOVAL PROCEDURE 1. REMOVE PIN HOLD CLIP (a) Apply protective tape around the front bumper assembly. HINT: Use the same procedure for the RH side and LH side. Protective Tape (b) Using a screwdriver with its tip wrapped in protective tape, disengage the claws to remove the 2 pin hold clips...

Toyota Yaris XP210 (2020-2026) Owner's Manual: Constant Monitoring

The following components of the air bag systems are monitored by a diagnostic system: Crash sensors, and diagnostic module (SAS unit) Front air bag sensors Air bag modules Side crash sensors Air bag/Front seat belt pretensioner system warning light Front seat belt pretensioners Related wiring Front passenger air bag deactivation indicator light Front passenger occupant classification sensor Front passenger occupant classification module The diagnostic module continuously monitors the system’s readiness...