Audio And Visual System (For Radio And Display Type) Operation Check

Enter diagnostic mode (HILUX_TGN26 RM0000011BU0F7X.html).

Select "Function Check/Setting" from the "Service Menu" screen.

Select "Panel & Steering Switch" from the "Function Check/Setting I" screen.

Panel & Steering Switch Check Mode

1. Operate each switch and check that the number of switches pushed and the switch conditions are correctly displayed.
   
   

   Screen Description

   Display	Content
   *1: Switch condition	"Pushed" is displayed when any switch is pushed
   *2: Number of pushed switch	Number of switches pushed at once If more than 3 switches are pushed at once, "More than 3" is displayed
   *3: Rotary switch direction	Direction of rotary switch is displayed

Enter diagnostic mode (HILUX_TGN26 RM0000011BU0F7X.html).

Select "Function Check/Setting" from the "Service Menu" screen.

Select "Touch Switch" from the "Function Check/Setting I" screen.

Touch Switch Check

1. Touch the display anywhere in the open area to perform the check when the "Touch Switch Check" screen is displayed.
   

   HINT:

   1. A "+" mark is displayed where the display is touched.
      
   2. The "+" mark remains on the display even after the finger is removed.
      

Enter diagnostic mode (HILUX_TGN26 RM0000011BU0F7X.html).

Select "Function Check/Setting" from the "Service Menu" screen.

Select "Mic & Voice Recognition" from the "Function Check/Setting I" screen.

Microphone & Voice Recognition Check

1. When speaking into the microphone, check that the microphone input level meter changes according to the input level.
   

Enter diagnostic mode (HILUX_TGN26 RM0000011BU0F7X.html).

Select "Function Check/Setting" from the "Service Menu" screen.

Select "Color Bar" from the "Function Check/Setting I" screen.

Color Bar Check Mode

1. Select a color bar from the "Color Bar Check Mode" screen.
   

2. Check the display color.
   

   HINT:

   1. The entire screen turns to the color or stripe selected.
      
   2. Touching the display returns to the "Color Bar Check" screen.
      

Enter diagnostic mode (HILUX_TGN26 RM0000011BU0F7X.html).

Select "Function Check/Setting" from the "Service Menu" screen.

Select "Vehicle Signal" from the "Function Check/Setting I" screen.

Vehicle Signal Check Mode

1. When the "Vehicle Signal Check Mode" screen is displayed, check all the vehicle signal conditions.
   

   HINT:

   1. Only conditions having inputs are displayed.
      
   2. This screen displays vehicle signals input to the radio and display receiver assembly.
      
   3. For details of this function, refer to Diagnosis Display Detailed Description in System Description (HILUX_TGN26 RM000003YVK017X.html).
      

Enter diagnostic mode (HILUX_TGN26 RM0000011BU0F7X.html).

Select "Function Check/Setting" from the "Service Menu" screen.

Select "HF Voice Quality Setting" from the "Function Check/Setting I" screen.

Receive/Send Voice Level adjustment

NOTICE:

Sound quality may deteriorate when the receive voice level is changed more than necessary. For this reason, check that the received voice quality is still acceptable after changing this setting.

1. If the voice level is low, press "+" button, and if the voice level is loud, press "-" button.
   

   HINT:

   1. Each voice level setting is reflected when going back to the normal mode.
      
   2. The changing voice level ranges from -5 to +5.
      
   3. The initial level is "0".
      

Voice Quality Type Adjustment

1. When changing the settings, use the number pad on the screen and input the voice quality type according to the chart below.
   

   Text in Illustration

   *a	Numeric keypad
   *b	Setting button
   *c	Reset button

   
   

   Settings

   Parameter	Target Phenomenon	Voice Quality Type (FUJITSU TEN)	Voice Quality Type (Pioneer)	Voice Quality Type (Panasonic)	Effect of Changing Voice Quality Parameter	Adverse Effect of Changing Voice Quality Parameter
   Echo	The other party hears their own voice echoed back to a large degree.	1000 2000	0001 0002 0003 0004 0005	0001	The amount that the other party hears their own voice echoed back is reduced.	When both parties speak at the same time, the voice heard by the other party suddenly becomes quiet, cuts out, etc.
   Half Duplex	When both parties speak at the same time, the voice heard by the other party suddenly becomes quiet, cuts out, etc.	0100 0200	0010 0020 0030 0040 0050	0002	The phenomenon in which the voice heard by the other party suddenly becomes quiet, cuts out, etc. when both parties speak at the same time is reduced.	The amount that the other party hears their own voice echoed back increases.
   Noise	A large amount of noise, such as vehicle or road noise, is mixed together with the voice heard by the other party.	0010 0020	0100 0200 0300 0400 0500	0004	The amount of noise, such as vehicle or road noise, that is mixed together with the voice heard by the other party is reduced.	The quality of the voice heard by the other party worsens.
   Quality	The quality of the voice heard by the other party is bad.	0001 0002	1000 2000 3000 4000 5000	0003	The quality of the voice heard by the other party improves.	The amount of noise, such vehicle or road noise, that is mixed together with the voice heard by the other party increases.

   HINT:

   1. Refer to the "Unit Version Information" screen for information regarding the manufacturer of the radio and display receiver assembly (HILUX_TGN26 RM000003YVK017X.html).
      
   2. Voice Quality Type Adjustment can only be used to adjust the quality of the voice heard by the other party. It cannot be used to adjust the quality of the voice heard by the user.
      
   3. The default value is 0000.
      
   4. Any changes to settings are applied when the display returns to the normal screen.
      
   5. For cases where there is more than one value, selecting a larger value increases the effect, but the adverse effects also increase.
      
   6. If a value not listed in the chart is entered, the change may not be applied, or the desired effect may not be achieved.
      
   7. If voice quality worsens as a result of changing the settings, press the "INIT" switch and return the value to 0000.