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

Toyota Tundra Service Manual / Audio, Visual, Telematics / Navigation / Multi Info Display / Navigation 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.

(c) Check that the display for "ADIM/TCAN" changes between DIM and BRIGHT according to the light control switch operation.

OK:

Light Control Switch

Display

Tail or head

DIM

Off

BRIGHT

Result

Result

Proceed to

OK (for Column Shift Type)

A

OK (for Floor Shift Type)

B

NG

C

A

REPLACE NAVIGATION RECEIVER ASSEMBLY

B

REPLACE NAVIGATION RECEIVER ASSEMBLY

C

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Illumination Circuit

    Microphone Circuit between Microphone and Navigation Receiver Assembly

    See More:

    Toyota Tundra Service Manual > Sfi System: ACIS Control Circuit
    DESCRIPTION This circuit opens and closes the Intake Air Control Valve (IACV) in response to the engine load in order to increase the intake efficiency (ACIS: Acoustic Control Induction System). WIRING DIAGRAM PROCEDURE 1. PERFORM ACTIVE TEST USING TECHSTREAM (OPERATE VSV FOR ACIS) (a) Disconnect th ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2021 Copyright www.ttundra.com
    0.0191