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Home >> Toyota >> 2020 >> RAV4 XLE, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 15 (Automatic High Beam System - Diagnostic Codes & Symptom Tests) >> Automatic High Beam System >> DTC B124B: Automatic High Beam System [08/2020 - 12/2021] >> Caution / Notice / Hint

Caution / Notice / Hint

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NOTE:
  • The automatic high beam system uses the CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the automatic high beam system after confirming that the communication systems are functioning properly.

    Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2020 - 12/2021]

  • w/ Smart Key System:

    Before replacing the main body ECU (multiplex network body ECU), refer to Registration.

HINT: 

If the forward recognition camera stores a DTC for a malfunction of any of the following, this DTC will be stored simultaneously.