Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM100000000VJ6G
Model Year Start: 2016 Model: Sienna Prod Date Range: [12/2015 - 11/2017]
Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Display does not Dim when Light Control Switch is Turned ON; 2016 - 2017 MY Sienna [12/2015 - 11/2017]

Display does not Dim when Light Control Switch is Turned ON

PROCEDURE

1.

CHECK IMAGE QUALITY SETTING

(a) Turn the light control switch to the tail or head position.

(b) Check that the daytime screen setting on the display adjustment screen is set to on.

Result

Result

Proceed to

Daytime screen setting is set to on

A

Daytime screen setting is set to off

B

A

CHANGE DAYTIME SCREEN SETTING TO OFF

B

2.

CHECK VEHICLE SIGNAL (OPERATION CHECK)

(a) Enter the "Vehicle Signal Check Mode" screen.

Refer to Check Vehicle Signal in Operation Check (See page 2016 - 2017 MY Sienna [12/2015 - 11/2017]; NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: OPERATION CHECK ).

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

OK:

Light Control Switch

Display

Tail or head

ON

Off

OFF

HINT:

The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

OK

REPLACE NAVIGATION RECEIVER ASSEMBLY

NG

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

(See page 2016 MY Sienna [12/2015 - 08/2016]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2017 MY Sienna [08/2016 - 11/2017]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING )