Toyota Tundra Service Manual: Touch Panel Switch does not Function

PROCEDURE

1.

CHECK TOUCH PANEL

(a) Check for foreign matter on the display.

OK:

The display is clean.

NG

CLEAN DISPLAY AND RECHECK TOUCH PANEL

OK

2.

CHECK TOUCH SWITCH (OPERATION CHECK)

(a) Enter the "Touch Switch Check" screen. [Refer to Check Touch Switch in Operation Check (See page )]

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

OK:

A "+" mark appears at the touched position.

Result

Result

Proceed to

OK (for Column Shift Type)

A

OK (for Floor Shift Type)

B

NG

C

A

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

B

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

C

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Terminals Of Ecu

    Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164)

    See More:

    Toyota Tundra Service Manual > Occupant Classification System: Rear Occupant Classification Sensor LH Circuit Malfunction (B1782)
    DESCRIPTION The rear occupant detection sensor LH circuit consists of the occupant classification ECU and the rear occupant detection sensor LH. DTC B1782 is set when a malfunction is detected in the rear occupant detection sensor LH circuit. DTC Code DTC Detection Condition Trouble Area B1782 One o ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0337