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 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.
PROCEDURE
(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 engine switch on (ACC) or on (IG) with your hand touching the operating section, non-response may occur.
NG |
| REMOVE FOREIGN MATTER |
OK |
| |
(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.
READ NEXT:
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
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
PROCEDURE
1. CHECK CONDITION
(a) Check with the customer if the vehicle has been turned by a turntable.
OK: Vehicle has not been turned by a turntable. HINT:
If the vehicle is
SEE MORE:
TERMINALS OF ECU HINT: Check from the rear of the connector while it is connected to the components.
RADIO AND DISPLAY RECEIVER ASSEMBLY
Terminal No. (Symbol) Wiring Color
Terminal Description Condition
Specified Condition
K4-1 (FR+) - K3-1 (GND1)
W - BR Soun
Replace the battery with a new one if it is depleted.
You will need the following items:
Flathead screwdriver
Small flathead screwdriver
Lithium battery CR2032
Replacing the battery
Vehicles without a smart key system
1. Remove the key cover.
To prevent damage to the key,
cover the