Toyota CH-R Service Manual: Panel Switches do not Function

Toyota CH-R Service Manual / Audio / Video / Audio And Visual System(for Radio And Display Type) / 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 needed. Refer to Precaution for Audio and Visual 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 occurs:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

CHECK PANEL SWITCH

(a) Check for foreign matter around the switches that might prevent operation.

OK:

No foreign matter is found.

NG

REMOVE ANY FOREIGN MATTER FOUND
OK

2.

CHECK PANEL SWITCH (OPERATION CHECK)

(a) Enter the "Panel & Steering Switch Check Mode" screen. Refer to Check Panel & Steering Switch in Operation Check.

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(b) Operate the abnormal switch and check if the switch status is correctly displayed.

OK:

The switch status is correctly displayed as operated.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

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