Toyota CH-R Service Manual: Precaution

PRECAUTION

PRECAUTION FOR NAVIGATION SYSTEM

NOTICE:

  • 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.
  • When replacing the DCM (telematics transceiver), make sure to replace it with a new one.
  • After replacing the radio and display receiver assembly, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the navigation ECU.
  • After replacing the navigation ECU, if "New software is not compatible with the system. Contact your dealer." is displayed on the multi-display, update the software of the radio and display receiver assembly.

(a) If any of the following parts are replaced, refer to Initialization in Repair Instruction.

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  • Radio and display receiver assembly*1
  • DCM (telematics transceiver)
  • *1: After replacing the radio and display receiver assembly of vehicles subscribed to pay-type satellite radio broadcasts, SiriusXM radio ID registration is necessary (w/ SXM Function).
    Navigation System
    ...

    Parts Location
    PARTS LOCATION ILLUSTRATION *1 MAP LIGHT ASSEMBLY (TELEPHONE MICROPHONE ASSEMBLY) *2 SKID CONTROL ECU (BRAKE ACTUATOR ASSEMBLY) *3 ...

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