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 > Navigation System: Speed Signal Malfunction (B15C2)
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly and information from the navigation antenna assembly, and then adjusts the vehicle position on the map. The navigation ECU stores this DTC when the difference between the speed information that ...

Toyota CH-R Service Manual > Transponder Key Ecu: Installation
INSTALLATION CAUTION / NOTICE / HINT NOTICE: Before replacing the transponder key ECU assembly, refer to Registration. Click here PROCEDURE 1. INSTALL TRANSPONDER KEY ECU ASSEMBLY (a) Engage the guides to install the transponder key ECU assembly as shown in the illustration. ...