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: Components

COMPONENTS ILLUSTRATION *1 SHIFT GATE PIN *2 NO. 2 LOCK BALL ASSEMBLY *3 NO. 1 LOCK BALL ASSEMBLY *4 TRANSMISSION REVOLUTION SENSOR *5 TEMPERATURE SENSOR *6 NEUTRAL POSITION SWITCH *7 BACK-UP LAMP SWITCH ASSEMBLY *8 SELECTING BELL CRANK ASSEMBLY *9 CONTROL CABLE BRACKET *10 CLUTCH RELEASE CYLINDER WITH BEARING ASSEMBLY *11 CLUTCH TUBE BOOT *12 BLEEDER CLUTCH RELEASE TUBE *13 CLUTCH RELEASE BLEEDER SUB-ASSEMBLY *14 CLUTCH RELEASE BEARING PLATE *15 RELEASE CYLINDER BLEEDER PLUG *16 RELEASE CYLINDER BLEEDER PLUG CAP *17 NO...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Light Sensor Circuit Malfunction (B124400)

DESCRIPTION The automatic light control sensor detects ambient light. The sensor creates an electrical signal based on the amount of light detected, and sends the signal to the main body ECU (multiplex network body ECU). The main body ECU (multiplex network body ECU) turns on or off the headlights and taillights according to the signal...