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Home >> Toyota >> 2021 >> Camry TRD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation System - Diagnostic Codes & Symptom Tests (1 Of 2) (Except Hybrid) >> Navigation System >> DTC B1543: Extension Module Disconnected 2 [06/2017 - ] >> Caution / Notice / Hint

Caution / Notice / Hint

NOTE:
  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.

    Refer to PRECAUTION [06/2017 - 10/2020] , or refer to PRECAUTION [10/2020 - ]

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • When replacing the radio and display receiver assembly or navigation ECU, always replace it with a new one. If a radio and display receiver assembly or navigation ECU which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly or navigation ECU may not operate normally.