Toyota CH-R Service Manual: Precaution

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.

• 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

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Parts Location

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

Other materials:

Toyota CH-R Service Manual > Audio And Visual System(for Radio And Display Type): Problem Symptoms Table
PROBLEM SYMPTOMS TABLE 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: ...

Toyota CH-R Service Manual > Lin Communication System: LIN Communication Bus Malfunction (B2325)
DESCRIPTION If the main body ECU (multiplex network body ECU) detects a communication error with an ECU connected to the door bus lines for 7 seconds or more, DTC B2325 will be stored. DTC No. Detection Item DTC Detection Condition Trouble Area ...