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.

Click here

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: Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT AIRBAG SENSOR LH *2 FRONT AIRBAG SENSOR RH *3 SIDE AIRBAG PRESSURE SENSOR LH *4 SIDE AIRBAG PRESSURE SENSOR RH *5 NO. 1 SIDE AIRBAG SENSOR LH *6 NO. 1 SIDE AIRBAG SENSOR RH ILLUSTRATION *1 FRONT SEAT OUTER BELT ASSEMBLY LH *2 FRONT SEAT OUTER BELT ASSEMBLY RH *3 CURTAIN SHIELD AIRBAG ASSEMBLY LH *4 CURTAIN SHIELD AIRBAG ASSEMBLY RH ILLUSTRATION *1 AIRBAG SENSOR ASSEMBLY *2 HORN BUTTON ASSEMBLY *3 SPIRAL CABLE SUB-ASSEMBLY *4 INSTRUMENT PANEL PASSENGER WITHOUT DOOR AIRBAG ASSEMBLY *5 FRONT SEAT AIRBAG ASSEMBLY LH *6 FRONT SEAT AIRBAG ASSEMBLY RH *7 TELLTALE LIGHT ASSEMBLY - PASSENGER AIRBAG ON/OFF INDICATOR *8 AIRBAG CUT OFF SWITCH CYLINDER SUB-ASSEMBLY *9 COMBINATION METER ASSEMBLY - SRS WARNING LIGHT *10 DLC3 *11 POWER DISTRIBUTION BOX ASSEMBLY - A/BAG-IGR FUSE - ECU-IGR NO...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Communication between ECUs connected by LIN Bus off (B278588)

DESCRIPTION This DTC is stored when LIN communication between the certification ECU (smart key ECU assembly) and steering lock ECU (steering lock actuator or upper bracket assembly) stops for 10 seconds or more. DTC No. Detection Item DTC Detection Condition Trouble Area B278588 Communication between ECUs connected by LIN Bus off No communication between steering lock ECU (steering lock actuator or upper bracket assembly) and certification ECU (smart key ECU assembly) for 10 seconds or more...