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: Precaution

PRECAUTION CAUTION: Never perform work on fuel system components near any possible ignition sources. Vaporized fuel could ignite, resulting in a serious accident. Do not perform work on fuel system components without first disconnecting the cable from the negative (-) auxiliary battery terminal...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Active Noise Control Microphone

ComponentsCOMPONENTS ILLUSTRATION *1 ACTIVE NOISE CONTROL MICROPHONE - - RemovalREMOVAL CAUTION / NOTICE / HINT HINT: When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used...