Instructions On How To Get the XTRONS Head Unit To Work In A Lexus IS200/IS220/IS250/IS300/IS350

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Instructions On How To Get the XTRONS Head Unit To Work In A Lexus IS200/IS220/IS250/IS300/IS350

Postby xtrons » Sun Mar 12, 2023 11:05 am

If you own a XTRONS head unit for LEXUS IS200/IS220/IS250/IS300/IS350 Convertible (2-door)(2006-2012) that comes with an original navigation or fiber amplifier system, you may need to order an extra cable to aid with the installation of your XTRONS unit. The XTRONS AK/PSP10ISL/MOST cable is compatible and can be ordered separately.
You may also encounter some problems with sound, steering wheel control or reversing camera. Fortunately, solutions have been found for these common issues
How to Get Sound for XTRONS LEXUS Screen.
Basic Connection:
LEXUS UNIT WIRING.jpeg
LEXUS UNIT WIRING.jpeg (88.93 KiB) Viewed 8916 times

1. Connect ISO audio in L to RCA front audio out L and ISO audio in R to RCA front audio out R.
2. Connect the connector that was originally connected to the “G” port to the “C” port.
3. Ensure that port A and port B are well connected.
4. Check whether the wire pins are damaged or bent in the “B” interface, “C” interface, and “I” interface.
5. Select option “328” for the Canbus type.
6. The “G” port does not need to be connected again, just leave it blank.
7. If the sound issue still persists even after following the above steps, you can connect other sound output devices to the "audio out" cable of the Xtrons unit to determine if the problem is with the machine or the decoding box. If you hear sound with this connection, it is likely a problem with the machine. If there is still no sound, the issue may be with the decoding box

To get the steering wheel control and air conditioner to work with your Xtrons Lexus screen, you need to follow these steps:
The Canbus type needs to be set to option 328.
The wiring for RX/TX needs to be connected to “D” in order for the steering control to work. If it is not connected, the physical air conditioner button of the main unit can still be used, but the air conditioner information will not be displayed on the screen, and the air conditioner control button on the screen will not work. If RX/TX has been connected and it still doesn’t work, try exchanging the position of the RX/TX wires
If the physical air conditioner control panel does not work, check whether "E" is properly connected to “F".
There is no air conditioner control button on the screen, but you can follow the way below to control it.

Go to Settings > Car infotainment > About device
Click the gear icon in the upper right corner and enter 8888 or 8878, then click OK
Click on the menu icon and double-click "Air Condition" on the left side of the screen to move it to the right side of the screen
Save the settings and restart the unit. You will see an Air Condition app on the desktop where you can control the air conditioner.
If the screen and physical buttons cannot control the air conditioner, it may be a Canbus problem or an ISO cable problem

How to Get reverse camera to work with your Xtrons Lexus screen
First, please confirm whether the original rear view connector is LVDS. The 'L' port shown in the picture above is the LVDS rearview port. If your car has such a connector, the Xtrons unit does not support the original rear camera. If you need the rear view function, you will need to add an aftermarket rear camera.
If the rear view camera port is not LVDS, please follow these wiring instructions:
Connect the ISO Cam to RCA Cam in.
Connect the camera cable to the K port.

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