Toyota Camry owners & service manuals

Toyota Camry (XV70): Touch Panel Switch does 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 occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.

PROCEDURE

1.

CHECK MULTI-DISPLAY

(a) Check if there is any foreign matter caught between the display and exterior frame of the multi-display.

OK:

No foreign matter is caught between the display and exterior frame of the multi-display.

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 ignition switch to ACC or ON with your hand touching the operating section, non-response may occur.
NG

REMOVE FOREIGN MATTER

OK

2.

CHECK TOUCH PANEL

(a) Check for foreign matter on the display.

OK:

The display is clean.

NG

CLEAN DISPLAY AND RECHECK TOUCH PANEL

OK

3.

CHECK TOUCH SWITCH (OPERATION CHECK)

(a) Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.

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(b) Touch the display in the area where the switch malfunction occurs.

OK:

A "+" mark appears at the touched position.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    READ NEXT:

     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. OK END

     Poor Sound Quality in All Modes (Low Volume)

    PROCEDURE 1. CHECK AUDIO SETTINGS (a) Set treble, middle and bass to the initial values and check that the sound is normal. OK: The sound returns to normal. HINT: Sound quality adjust

     Voice Guidance does 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

    SEE MORE:

     Disassembly

    DISASSEMBLY PROCEDURE 1. REMOVE MAGNET STARTER SWITCH ASSEMBLY (a) Remove the nut and disconnect the field coil lead wire from the magnet starter switch assembly. (b) While holding the magnet starter switch assembly to the repair service starter kit, remove the 2 nuts.

     Ultrasonic Sensor (Front Left Center) Missing Message (C1AE287)

    DESCRIPTION This DTC is stored when an open circuit or short occurs in the communication line between the front center ultrasonic sensor LH and the front center ultrasonic sensor RH, or when a malfunction occurs in the front center ultrasonic sensor LH. DTC No. Detection Item DTC Detect

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