This page contains information relating to the Toyota MZ12 GT Limited Soarer Electro MultiVision dash display.
The MultiVision system is used to display a large amount of information related to the vehicle / engine on the dash.
There are a number of components, that combined make up the Electro MultiVision system, these include,
This unit is the upper unit of the three units located in the boot. This unit contains the powersupply for the CRT TV located within the dash as well as some of the video conversion circuits.
I have experienced has faulty capacitors and ICs (AN5900) in this unit resulting in the CRT failing to operate. See schematic and datasheet sections for further information.
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This unit is the middle unit of the three units located in the boot. This unit contains the circuitry for receiving television reception. There are two large electronic antennas (one located on each side at the rear of the vehicle) that are used to receive the television reception that connect to this unit.
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This unit is the lower unit of the three units located in the boot. This unit contains the circuitry that is used to create the graphics / screens / images that are displayed on the CRT display unit that is located in the dash.
This unit also takes in signals such as the switched inputs such as the automatic transmission "Power-Normal-Economy" switch, TEMS switch, automatic transmission "P-R-N-D-2-L" switch etc for display, as well as other signals such as vehicle speed, fuel injector driver signal (for the Fuel Economy display) etc.
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A small CRT TV is located within the dash and is used to display the MultiVision information / screens.
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This switch is mounted adjacent to the left side of the steering wheel and can be used to select the desired display screen. Note that TV / Video cannot be displayed when the vehicle is moving.
Translations are listed below,
ドライブ = Drive
ネンピ = Fuel Consumption
メンテナンス = Maintenance
セツト = Setsuto (TV / Video)
This wired remote control can be used to control the display when used in TV / Video mode.
TV / Video mode can be selected via the switch located under the lid on the left hand side of the remote, see translations for more detail.
Translations for the above are below,
テレビ = TV
ビデオ = Video
メモリー = Memory
色あい = Tint
色の濃さ = Colour Strength
電源 = Power
チャンネル = Channel
音量 = Volume
Translations for the above are below,
チャンネルプリセットのやり方
1) セツトしたいチャンネルを [10] [1] または [▴] [▾]
2) メモリボタン (左側面のフタの中にあり
ます) を押して下さい。 チャンネル表示
の数字が点滅します。
3) A~Fまでの任意 のプリセツトボタンを
押して下さい。チャンネル表示の点滅が
止まると記憶されます。
* つづけていくつかの選局ボタン(A~F)
にチャンネルを記憶させる場合は(1)~(3)
の操作を繰り返し下さい。
ご注意
直射日光の当たる場所に長時間放置
しないで下さい。
Way of channel preset
1) The channel you want to Setsuto [10] [1] or [▴] [▾]
2) Press (located in the lid of the left side) memory button. Number of channel display will blink.
3) Press the button pre-Setsuto any of up to A ~ F. They are recorded flashing channel display is stopped.
Please repeat steps (1) to (3) when storing the channel select button several (A ~ F) in a row.
Note
Please do not leave a long period of time in direct sunlight.
This screen is shown for a short period of time (~2-3seconds) after the key is turned to the ON position, after which the Drive screen is displayed.
Note: I believe that this is a "static" screen and that no checking of the systems listed is undertake before they are displayed on this screen.
Translations are listed below,
システムチェック項目 = System Check Items
The Drive screen is the screen that is displayed in normal operation of the vehicle.
This screen shows the following,
At other times the screen is also used to display information from the following
Drive screen showing normal operation, engine off.
Drive screen showing "Maintenance" notice.
Drive screen showing "Check Engine" notice.
This screen is used to display fuel consumption information.
The fuel injector pulse width, injector size, injector dead time, etc and the vehicle speed are used to generate this information.
Translations are listed below,
ネンピ = Fuel Consumption
消費 = Consumption
分前 = Minute Before
現在 = Current
This screen can be used to set maintenance reminders for a number of items. When the set distance has expired a notice will appear on the Drive screen, along with a beep every time the vehicle is switched on (until the maintenance item is reset).
To set / reset a maintenance item the following sequence can be undertaken using the Screen Selection Switch buttons,
Translations are listed below,
メンテナンス = Maintenance
要点検 = Required Inspection
タイヤ = Tyre
エンジンオイル = Engine Oil
オイルフィルタ = Oil Filter
メモ = Note
The Setsuto (TV / Video) screen can be used to display TV / Video images when the vehicle is stopped.
Note: The TV / Video can be turned on / off when the vehicle ignition is in the ACC position if the red 電源 (POWER) button on the Remote control is pressed.
Toyota Electro Multivision MZ12 Soarer GT LTD M24008.pdf
I have traced some of the 86116-24010 Controller, Video unit while undertaking repairs (Faulty AN5900).
Note: Is is quite likely there are errors of some extent within this schematic. Click on image for larger PDF.
Toyota Soarer 3.0GT-LIMITED (1985).webm - Video that contains Electro MultiVision information.
z10-cm.wmv - Toyota Marketing Video, second half of which contains Electro MultiVision information.
Toyota Electro Multivision MZ12 Soarer GT LTD M24008.pdf
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