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HOMESERVICE MANUALSTOYOTA2020RAV4 XLE, AWDREPAIR AND DIAGNOSIS (SINGLE PAGE)ACCESSORIES & EQUIPMENTCOLLISION/AVOIDANCEFRONT RADAR SENSOR SYSTEM - DIAGNOSTIC CODESFRONT RADAR SENSOR SYSTEMDTC U0300-51: INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY NOT PROGRAMMED; DTC U0300-57: INTERNAL CONTROL MODULE SOFTWARE INCOMPATIBILITY INVALID/INCOMPATIBLE SOFTWARE COMPONENT [12/2021 - ]CAUTION / NOTICE / HINT
2020 Toyota RAV4 XLE, AWD

Caution / Notice / Hint

2020 Toyota RAV4 XLE, AWDSECTION Caution / Notice / Hint
NOTE:
  • 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: Refer to TARGET ADJUSTMENT (TRIANGLE TARGET) [12/2021 - ]

    Flat Surface Target: Refer to TARGET ADJUSTMENT (FLAT SURFACE TARGET) [12/2021 - ]

    Driving Adjustment: Refer to DRIVING ADJUSTMENT [12/2021 - ]

  • for Gasoline Model:

    Before replacing the ECM, refer to Registration.

    Refer to REGISTRATION [12/2021 - ]

  • for HV Model:

    When replacing the hybrid vehicle control ECU assembly, refer to Registration.

    Refer to REGISTRATION [12/2021 - ]

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.