Toyota Yaris: Front Radar Sensor System / Problem Symptoms Table

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

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Front Radar Sensor System

Symptom

Suspected Area

Link

"Pre-Collision System Radar Sensor Blocked Unavailable Clean Radar Sensor" is displayed

Vehicle Control History

    Utility

    UTILITY Front Beam Axis Adjustment HINT: Front Beam Axis Adjustment is used to calibrate the beam axis of millimeter wave radar sensor assembly. (a) Perform Front Beam Axis Adjustment according to the display on the GTS...

    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...

    Other information:

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: How To Proceed With Troubleshooting


    CAUTION / NOTICE / HINT NOTICE: Because the order of diagnosis is important to allow correct diagnosis, make sure to begin troubleshooting using How to Proceed with Troubleshooting when CAN communication system related DTCs are output. If the CAN communication system is malfunctioning, check the contact pressure of the terminals in connectors, as insufficient terminal contact pressure may be the cause...

    Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: VEHICLE CONTROL HISTORY (RoB)


    VEHICLE CONTROL HISTORY (RoB) DESCRIPTION (SFI SYSTEM) Vehicle Control History is a function that captures and stores ECU data when triggered by specific vehicle behavior. If the customer states that the engine stalls or will not start, it may be possible to diagnose the cause of the malfunction by checking the vehicle history information and freeze frame data...

    Categories

    Front Seat Belt Pretensioners

    The front seat belt pretensioners are designed to deploy in moderate or severe frontal, near frontal collisions.

    In addition, the pretensioners operate when a side collision or a rollover accident is detected. The pretensioners operate differently depending on what types of air bags are equipped. For more details about the seat belt pretensioner operation, refer to the SRS Air Bag Deployment Criteria.

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