Toyota CH-R Service Manual: Lost Communication with Meter (B1324)

NOTICE:

• 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.

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• When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
  • A communication malfunction DTC is stored.
  • The radio and display receiver assembly or navigation ECU may not operate normally.
• When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.

Extension Module Disconnected 2 (B1543)

GVIF Disconnected (from Extension Module to H/U) (B153A)

Other materials:

Toyota CH-R Service Manual > Toyota Entune System: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: The following may occur if a radio and display receiver assembly from another vehicle is installed to this vehicle. Therefore, when replacing the radio and display receiver assembly, be sure to replace it with a new one. A communicat ...

Toyota CH-R Service Manual > Pre-collision System: Skid Control Buzzer Circuit (C1A4A)
DESCRIPTION The millimeter wave radar sensor assembly is connected to the forward recognition camera via CAN communication. The millimeter wave radar sensor assembly operates the pre-collision alarm by sending a buzzer request signal to the pre-collision city buzzer. If the millimeter wave ra ...