Toyota Yaris: Pre-collision System / Lost Communication with Image Processing Module "A" Missing Message (U023A87)

NOTICE:

• When replacing the millimeter wave radar sensor assembly, always replace it with a new one. If a millimeter wave radar sensor assembly which was installed to another vehicle is used, the information stored in the millimeter wave radar sensor assembly will not match the information from the vehicle and a DTC may be stored.
• When the millimeter wave radar sensor assembly has been replaced with a new one, it is necessary to perform millimeter wave radar sensor assembly beam axis alignment and to clear the vehicle control history. Before performing the Driving Adjustment, make sure to read Before Starting Driving Adjustment.

  HINT:

  Beam axis alignment of the millimeter wave radar sensor assembly can be performed using either Triangle Target, Flat Surface Target or Driving Adjustment.

  Triangle Target: Click here

  Flat Surface Target: Click here

  Driving Adjustment: Click here

• When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored.
• When the forward recognition camera is replaced with a new one or the windshield glass is replaced or removed/installed, make sure to read Before Starting Adjustment, then perform optical axis alignment for the forward recognition camera and clear the vehicle control history for each system.

  HINT:

  Forward recognition camera adjustment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.

  One Time Recognition: Click here

  Sequential Recognition: Click here

  Driving Adjustment: Click here

• After the ignition switch is turned off, there may be a waiting time before disconnecting the negative (-) auxiliary battery terminal. Click here

  HINT:

  When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.

  Click here

Lost Communication with ECM/PCM "A" Missing Message (U010087,U010187,U012687,U012987,U015587)

DESCRIPTION The following DTCs are stored when there is a communication malfunction between the millimeter wave radar sensor and each sensor or ECU. DTC No...

Internal Control Module Software Incompatibility Not Programmed (U030051,U030057)

DESCRIPTION The millimeter wave radar sensor assembly receives vehicle information (Conv/HV/EV) or vehicle information (transmission type) from the ECM via the CAN communication line...

Other information:

Toyota Yaris XP210 (2020-2025) Owner's Manual: Seat Precautions

When returning a rear seat to its original position, place the seat belt in its normal position. Verify that the seat belt pulls out and retracts. WARNING Make sure the adjustable components of a seat are locked in place Adjustable seats and seatbacks that are not securely locked are dangerous...

Toyota Yaris XP210 (2020-2025) Owner's Manual: Warning Lights

These lights turn on or flash to notify the user of the system operation status or a system malfunction. Master Warning Light Brake System Warning Light ABS Warning Light Charging System Warning Light Engine Oil Warning Light Check Engine Light High Engine Coolant Temperature Warning Light Automatic Transaxle Warning Light Power Steering Malfunction Indicator Light Air Bag/Front Seat Belt Pretensioner System Warning Light LED Headlight Warning Light Low Fuel Warning Light Check Fuel Cap Warning Light Seat Belt Warning Light (Front seat) Door-Ajar Warning Light Low Washer Fluid Level Warning Light Tire Pressure Monitoring System Warning Light KEY Warning Light Low Speed Pre-Collision System Warning Light * 1: The light turns on when the ignition is switched on for an operation check, and turns off a few seconds later or when the engine is started...