Toyota Tundra (2015 year). Manual — part 105

displayed.

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN

PROBLEM SYMPTOMS TABLE

OK

USB DEVICE OR "iPod" WAS INCOMPATIBLE OR

DEFECTIVE

NAVIGATION: NAVIGATION SYSTEM: USB Audio System Recognit...

OK

Last Modified: 9-16-2014

6.6 J

Doc ID: RM0000020RR0RFX

Model Year: 2015

Model: Tundra

Prod Date Range: [08/2014 - ]

Title: NAVIGATION: NAVIGATION SYSTEM: Black Screen; 2015 MY Tundra [08/2014 - ]

Black Screen

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DISPLAY SETTING

(a) Check that the display is not in screen off mode.

OK:

The display setting is not in screen off mode.

NG

CHANGE SCREEN TO SCREEN ON MODE

2.

CHECK IMAGE QUALITY SETTING

(a) Check that the screen color quality can be set.

OK:

Setting is possible.

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN

PROBLEM SYMPTOMS TABLE

OK

SET SCREEN COLOR QUALITY TO NORMAL

NAVIGATION: NAVIGATION SYSTEM: Black Screen; 2015 MY Tund...

Last Modified: 9-16-2014

6.6 J

Doc ID: RM000005KSM00CX

Model Year: 2015

Model: Tundra

Prod Date Range: [08/2014 - ]

Title: NAVIGATION: NAVIGATION SYSTEM: Vehicle Speed Signal Circuit between Navigation Receiver Assembly

and Combination Meter; 2015 MY Tundra [08/2014 - ]

Vehicle Speed Signal Circuit between Navigation Receiver Assembly and Combination Meter

DESCRIPTION

The navigation receiver assembly receives a vehicle speed signal from the combination meter assembly to control

the ASL function.

HINT:

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK COMBINATION METER ASSEMBLY (OUTPUT WAVEFORM)

NAVIGATION: NAVIGATION SYSTEM: Vehicle Speed Signal Circuit ...

OK

(a) Check the output waveform.

(1) Remove the combination meter assembly with the

connector(s) still connected.

(2) Connect an oscilloscope to terminal J28-29 (+S) and body

ground.

(3) Turn the ignition switch to ON.

(4) Turn a wheel slowly.

(5) Check the signal waveform according to the condition(s) in

the table below.

ITEM

CONDITION

Measurement terminal

J28-29 (+S) - Body ground

Tool setting

5 V/DIV., 20 ms./DIV.

Vehicle condition

Wheel being rotated

OK:

The waveform is similar to that shown in the illustration.

HINT:

When the system is functioning normally, one wheel revolution

generates 4 pulses. As the vehicle speed increases, the width
indicated by (A) in the illustration narrows.

Text in Illustration

*a

Component with harness connected

(Combination Meter Assembly)

NG

GO TO METER / GAUGE SYSTEM

2.

CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY -
COMBINATION METER ASSEMBLY)

(a) Disconnect the J135 navigation receiver assembly connector.

(b) Disconnect the J28 combination meter assembly connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

NAVIGATION: NAVIGATION SYSTEM: Vehicle Speed Signal Circuit ...