Toyota CH-R Service Manual: Touch Panel Switch does not Function

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 may be stored.
  • The radio and display receiver assembly may not operate normally.

HINT:

• If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.
• Turn the engine switch on (ACC) or on (IG) with your hand touching the operating section, non-response may occur.

Panel Switches do not Function

CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be neede ...

Screen Flicker or Color Distortion

PROCEDURE 1. CHECK DISPLAY SETTING (a) Reset display settings (contrast, brightness) and check that the screen appears normal. OK: The display returns to normal. ...

Other materials:

Toyota CH-R Service Manual > Toyota Entune System: Does not Recognize Voice Commands Performed to Contact Support Center
PROCEDURE 1. CHECK COMMUNICATION BASED VOICE RECOGNITION FUNCTION (a) While paying attention to the condition of the spoken voice command, say "Find a gas station in New York" and check that voice recognition is operating normally. HINT: When t ...

Toyota CH-R Service Manual > Smart Key System(for Start Function): Engine/Power Switch Malfunction (B2278)
DESCRIPTION This DTC is stored when the SSW1 contact signal and SSW2 contact signal, which are detected when the engine switch is operated, do not match. DTC No. Detection Item DTC Detection Condition Trouble Area Note B2278 ...