Toyota Sienna Service Manual: Display does not Dim when Light Control Switch is Turned ON

Toyota Sienna Service Manual / Navigation / Navigation system / Diagnostic trouble code chart / Display does not Dim when Light Control Switch is Turned ON

INSPECTION PROCEDURE

1 CHECK IMAGE QUALITY SETTING

CHECK IMAGE QUALITY SETTING

Enter the display adjustment screen by pressing the "DISPLAY" switch.
Turn the light control switch to the TAIL position.
Check if "DAY MODE" on the display adjustment is ON.

OK: "DAY MODE" is ON.

TURN "DAY MODE" SETTING OFF

2 CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

Enter the "Display Check" mode (Vehicle Signal Check).
Check that the display changes between ON and OFF according to the light control switch operation.

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

REPLACE RADIO AND NAVIGATION ASSEMBLY

Illumination for Panel Switch does not Come on with Tail Switch ON

INSPECTION PROCEDURE 1 CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE) Enter the "Display Check" mode (Vehicle Signal Check Mode). Check that the display changes between ON and OF ...

Panel Switches do not Function

INSPECTION PROCEDURE 1 CHECK PANEL SWITCH Check for foreign matter around the switches that might prevent operation. OK: No foreign matter is found 2 CHECK PANEL SWITCH (DISPLAY CHECK MODE ...

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