- Lexus IS Lexus ES Installation Instruction

Please follow the video below for factory radio removal:

Lexus IS:

https://www.youtube.com/watch?v=uULttXXYKms

Lexus ES:

https://www.youtube.com/watch?v=kzxaJrA2zDw

Lexus IS Lexus ES before 2010 Installation Instruction

Lexus IS:

After the factory radio is removed, please also remove the airbag and hazard button strip on the factory panel, it will have a cable with a white connector on it as well. This connector will control hazard light and airbag indicator, follow guide below to wire hazard light up. 

https://rrcs.zendesk.com/hc/en-us/articles/360035348331-Lexus-IS-Air-Vent-SRS-Airbag-Light-and-Hazard-Issue

After all components behind the radio is removed, connect matching connectors to the vehicle side and then connect the harness to the radio side. 

Grey plug may not be provided. 

The black connector with RCAs provides video input port for backup camera, front camera and side camera. The brown wire is backup trigger. It triggers the screen when 12v is connected.

The yellow connector has pre-amp output for aftermarket amp. 

Brown connector provides USB connection. 

Lexus ES:

After removing the factory radio, please connect the matching harness to the vehicle side. There is a harness with a black board on it. Make sure that harness is connected as well as it will turn off the factory airbag light warning. There are two matching connections for that harness, one on radio side and the other one on vehicle side, make sure both connections are connected. 

After vehicle side harnesses are connected, connect the harness on radio side, follow the picture above to connect each color plug. 

Grey plug may not be provided. 

The black connector with RCAs provides video input port for backup camera, front camera and side camera. The brown wire is backup trigger. It triggers the screen when 12v is connected.

The yellow connector has pre-amp output for aftermarket amp. 

Brown connector provides USB connection. 

AC control: 

For Nav version, you will need to connect OBD II in order for the AC to function. 

ES Camera Connection:

Please locate this connector on the factory side, then locate the wires behind. Make sure the wire colors matches up. 

Pin 28 and pin 27 are signal wires that connected to the negative and positive of the RCA cable. 

Negative on RCA is the black wire and positive is yellow. 

Pin 13 and 14 are positive and negative power wire. 13 needs 6V of voltage and will connect to purple wire on the connector below. Please test the voltage on purple wire before connecting.

Find the RCA wires and power wires on this connector:

Airbag connection (ES Only. For IS, refer to next section):

Lexus ES comes with an airbag light adapter, which is a T-harness with a black piece of tapped board. There are three wires coming off the board: red, violet and orange. 

Find matching connection on the factory side and bridge the connection between factory connector and radio connector. If you did not find matching connection and the airbag light on dash board lights up, please use diagram below to wire them up. 

Perspective of the diagram below is the terminal side(not wire side) of the factory connector. The color of factory wire on pin4 is red and pin5 is black. Connect pin4 to orange wire on the black board and pin5 to purple wire.

The red wire on the black board goes to ACC wire. You can find ACC wire on the radio with the same red color. 

If you do not have connector above, find this connector instead.

Diagram is also in perspective of terminal side of factory connector. Factory wire on pin9 is red and pin20 is black. 

The red wire on the black board goes to ACC wire. You can find ACC wire on the radio with the same red color. 

IS Airbag Wiring: 

If your airbag warning light comes up on the dashboard, please follow this instruction to fix the issue. 

https://rrcs.zendesk.com/hc/en-us/articles/360035348331-Lexus-IS-SRS-Airbag-Light-and-Hazard-Issue

Lexus IS Lexus ES with Factory Navigation 2010 - 2012 Installation Instruction

For both Lexus IS and ES, before removing the factory radio control panel from the metal module, please use our adapter harness to connect to the back and connect the 20pin black power connector to our unit and yellow rectangle connector to our unit. Make sure our unit has sound output and AC control. If there is no sound, please manually toggle the factory media channel to "AUX". 

Our radio uses the factory AUX channel to output audio.

Connect these plugs: 

Do not use this harness when installing:

Please verify if your vehicle belongs to 2010 - 2012 model year. Check your AM/FM button, if it looks like this then your vehicle is correct. Otherwise, you do not need this instruction. 

For ES, it will look like this:

PDF Instruction:

https://drive.google.com/file/d/1sprTFOkUA7W7zW_wkSsvXPh-JkzWNr3A/view?usp=sharing

Please follow the link above to remove your factory radio. You will need to keep part of your factory radio behind the new radio in order to have sound. 

*Screw points will be different for ES. The vehicle used in the guide is IS.

After you have successfully assemble the radio, use the T connectors provided to bridge connections between factory radio and its original harness. T connector comes with matching male and female end on the same wiring. Connect one end to the factory radio and the other end to the vehicle. The black 20 pin connector will go to new radio. For other factory connectors that do not have a place to plug in on the harness, connect them back to factory radio directly.

To retain OEM camera: please hardwire a male RCA to this connector on the factory. The diagram is view on the pin side of the factory connector:

Pin 5 red: RCA+

Pin 16 white: RCA- 

Pin 6 black: 6V

Pin 17 CGND: GND

Pin 5 (red) is positive and Pin 16 (white) is negative. Connect the RCA to a female RCA with tag "Camera" on the T style unit.

For 2013 model, wire camera like these instead. Locate this large connector on the car side. 

Pin 39 connects to 6V. 

Pin 40 connects to ground.

Pin 18 connects to RCA +.

Pin 19 connects to RCA -. 

These wires can be found on another connector on the same harness. Cut these four wires off and splice them to the corresponding wires on the car side connector. 

Please also check whether the radio would switch to reverse screen when shifted. If not, connect pin 57 to a brown loose wire tagged "back" on the radio side. 

No Audio:

If you have no audio in Lexus ES, please make sure you used the harness provided to connect to the factory module as shown below:

If there is still no audio, please use its original plug to connect to the factory port above. Then on the steering wheel, press "Mode" button to adjust to "AUX" input and check for audio again. 

If the problem persist, please shoot a short video of the issue and take a picture of the harness at the back, forward the video and the picture to [e-mail]