Toyota Tundra Service Manual: Illumination for Panel Switch does not Come on with Tail Switch ON

Toyota Tundra Service Manual / Audio, Visual, Telematics / Audio / Video / Audio And Visual System / Illumination for Panel Switch does not Come on with Tail Switch ON

PROCEDURE

1.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen. [Refer to Check Vehicle Signal in Operation Check (See page )]

(b) Check that the display for "TAIL" changes between ON and OFF according to the light control switch operation.

OK:

Light Control Switch

Display

Tail or head

ON

Off

OFF

HINT:

This display is updated once per second. As a result, it is normal for the display to lag behind the actual switch operation.

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

    Illumination Circuit

    Microphone Circuit between Microphone and Radio Receiver

    See More:

    Toyota Tundra Service Manual > Audio And Visual System: Operation Check
    OPERATION CHECK 1. CHECK PANEL & STEERING SWITCH HINT: The radio and display receiver assembly panel switches are checked in the following procedure. Illustrations may differ from the actual vehicle screen depending on the device settings and options. Therefore, some detailed areas may not be ex ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0329