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: Brake Warning Light Remains ON

DESCRIPTION This procedure is for troubleshooting when the brake system warning light remains on but no DTCs are output. The skid control ECU (brake actuator assembly) controls the brake system warning light in the combination meter assembly via CAN communication...

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

PARTS LOCATION ILLUSTRATION *1 FORWARD RECOGNITION CAMERA *2 MILLIMETER WAVE RADAR SENSOR ASSEMBLY *3 BRAKE ACTUATOR ASSEMBLY - SKID CONTROL ECU *4 ECM *5 NEUTRAL POSITION SWITCH *6 ENGINE ROOM RELAY BLOCK - ECU IGP NO. 3 FUSE ILLUSTRATION *1 COMBINATION METER ASSEMBLY - MULTI-INFORMATION DISPLAY - CRUISE CONTROL INDICATOR - CRUISE SET INDICATOR - WARNING BUZZER *2 STEERING PAD SWITCH ASSEMBLY - CRUISE CONTROL MAIN SWITCH - -SET SWITCH - +RES SWITCH - CANCEL SWITCH - VEHICLE-TO-VEHICLE DISTANCE CONTROL SWITCH *3 SPIRAL CABLE SUB-ASSEMBLY *4 STEERING SENSOR *5 STOP LIGHT SWITCH ASSEMBLY *6 MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) *7 POWER DISTRIBUTION BOX ASSEMBLY - ECU IGR NO...