Directed Directechs DB3 Manuel utilisateur
Designed by Installers for Installers
INSTALLATION GUIDE
DB3
2019 Lexus GX 460 (Smart Key). 403.TL2 4.15
© 2021 Directed, Vista CA
This product is intended for installation by a professional installer only! Attempts to install this
product by a person other than a trained professional may result in severe damage to a vehicle’s
electrical system and components.
Introduction 3
Vehicle function compatibilities 3
Pre-installation and application warnings 4
OEM remote starter detection 4
Wiring diagram 6
Locating components in the vehicle 7
Vehicle connections 8
Connecting the module 7
Module programming 8
IMPORTANT!Before programming your module, you must first check if your vehicle is equipped with an OEM
remote starter and disable it. If the vehicle is equipped with an OEM remote starter, whether Active or Inactive,
itMUSTbe temporarily disabled or permanently disconnected depending on the vehicle.Please refer to the “OEM
remote starter information” section of the guide for additional details.Note:In some cases, the module will program to
the vehicle even if equipped with an OEM starter, but will prevent the aftermarket remote start from functioning
properly. 8
LED diagnostics and troubleshooting 9
Soft reset 11
Hard reset 11
Feature programming 12
Feature and option list 13
Limited one year consumer warranty 13
Quick reference guide 14
Contents
3403.TL2 4.15 2019 Lexus GX 460 (Smart Key)
©2021 VOXX•DEI LLC. All rights reserved.
Introduction
DB3 is an all-in-one door lock and override module.
Warning!
This module can only be flashed and configured using DirectLink at www.directechs.com or using the Directechs
Mobile application for smartphones. Refer to “Connecting the module” for more information.
Vehicle function compatibilities
This section lists all the functions compatible with this vehicle for the installation illustrated in this guide.
Auto Headlamp Shutoff
Arm Factory Security
Disarm Factory Security
Door Lock Control
Door Unlock
Driver Priority Unlock
Hatch Glass Release
Control of aftermarket alarm with OEM remote
* Fuel Level
* Odometer
Immobilizer Bypass-Data No Key Req'd
Remote Start Ready
SmartStart
Tach / RPM Output
Entry Monitoring ALL Door Pins
Entry Monitoring Hood Pin
Entry Monitoring Trunk/Hatch Pin
Factory Alarm Trigger Monitoring
Brake Status (foot brake)
Door Locks Status
E-Brake Status
Ignition Status
4403.TL2 4.15 2019 Lexus GX 460 (Smart Key)
©2021 VOXX•DEI LLC. All rights reserved.
Pre-installation and application warnings
Firmware notes: This section highlights important information for this specific firmware and will assist in pricing
accordingly, as well as bringing awareness to any operational or vehicle limitations.
T-Harness
compatible
Keys required for
programming 1Keys required for
operation 0
IMPORTANT: Before attempting to program your module, you must first check if your vehicle is equipped with an OEM remote starter
and disable it. If the vehicle is equipped with an OEM remote starter, whether Active or Inactive, it MUST be temporarily disabled
or permanently disconnected depending on the vehicle. Please refer to the “OEM remote starter information” section of the guide for
additional details.
Note: In some cases, the module will program to the vehicle even if equipped with an OEM starter, but will prevent the aftermarket remote
start from functioning properly.
Unless specified otherwise, all connectors are displayed from the wire side, with the exception of the OBDII diagnostic connector.
If the vehicle is already equipped with an OEM remote starter, the installer must disconnect it before installing the DB3 module, otherwise it
will not program.
No takeover feature is available on Push-to-Start (PTS) vehicles.
Keyless and Smart Key will remain functional during remote start.
Refer to "Vehicle connections" following the wiring diagram.
Aux 1 = Left Sliding Door; Aux 2 = Right Sliding Door: Applicable on the Toyota Sienna (Smart Key) ONLY.
General notes: This section highlights important information for this specific firmware.
[1] Tach wire is an optional connection required on some remote starters, which do not support a tach signal in D2D. Also please note that by
default, the tach is set to 1000 rpm on hybrid vehicles.
[2] The installation of an aftermarket hood pin is ONLY required on vehicles that are NOT equipped with a factory hood pin or NOT
supported in data.
[3] The Push-to-Start (PTS) is required ONLY if Pit-Stop/Idle mode is desired.
5403.TL2 4.15 2019 Lexus GX 460 (Smart Key)
©2021 VOXX•DEI LLC. All rights reserved.
OEM remote starter information
If the vehicle has an active OEM remote starter it will program into convenience only (no immobilizer bypass). The reason for this is to allow
aftermarket security to be installed while keeping the factory remote starter active. If you wish for the interface to control the remote start
sequence, perform one of the following:
If the vehicle is equipped with an Add-On Lexus/Toyota OEM remote starter:
Some Lexus/Toyota vehicles may have an Add-On remote starter. If the OEM unit is installed, whether Active or Inactive, it MUST be
permanently disconnected, as both modules cannot coexist. Refer to 'Physical OEM remote start locations" in the chart below and always
physically inspect and disconnect any OEM remote starter before programming any Directed products.
Physical OEM remote start locations
Make Model OEM remote starter & connectors location
Toyota Venza (Smart Key) Behind glove box.
Lexus RX 450h (Smart Key) Behind glove box.
Lexus RX 350 (Smart Key) Behind glove box.
Toyota 4Runner (Smart Key) Behind glove box & passenger kick panel.
Toyota Sienna (Smart Key) Behind glove box & passenger kick panel.
Lexus HS 250h (Smart Key) Behind glove box.
Prius Prius (Smart Key) Under dash panel & driver kick panel.
Lexus CT 200h Behind glove box.
Lexus GX 460 (Smart Key) Behind glove box.
Toyota Prius V (Smart Key) Behind glove box.
If the vehicle is equipped with a BCM Enabled Lexus/Toyota OEM remote starter:
The vehicle does not have a physical remote starter and only one module can be programed at a time. In this case temporarily disable the
OEM remote start system using the following process:
1. Remove the fuse powering the OEM Remote Starter. See "OEM remote start fuse location"
2. Perform a "Soft reset" or "Hard reset".
3. Perform the "Module programming".
4. After programming is successful, re-insert the fuse powering the OEM Remote Starter.
OEM remote start fuse location
Make Model Fuse Location Fuse Name Fuse
Value
Lexus CT 200h (Smart Key) Engine room relay box, left side of engine compartment. MAYDAY 10A
Lexus GX 460 (Smart Key) Engine room relay box, left side of engine compartment. MAYDAY 7.5A
Lexus RX 350 (Smart Key) Engine room relay box, left side of engine compartment. MAYDAY/TEL 7.5A
Lexus RX 450h (Smart Key) Engine room relay box, left side of engine compartment. MAYDAY 7.5A
6403.TL2 4.15 2019 Lexus GX 460 (Smart Key)
©2021 VOXX•DEI LLC. All rights reserved.
Refer to "Pre-installation and application warnings" for important information, such as the description of each special note referenced in the diagram ( ).
D2D Port
(+) Ignition Input/Output
(+) 12V Input
HS CAN High: Tan/Black: 3
HS CAN Low: Tan: 4
(-) SLP Output: Yellow/Red: 11
(-) Ground: Brown/Red: 12
(AC) Tach Output: Violet/White: 5
(-) Push-to-Start Output: Green/Black: 2
1412
10 42
(-) Ground (-) Ground
9: Pink: (+) Ignition Input
(AC) Tach Input
(+) Ignition Status Output: Gray/Black: 7
Immo. Data 1: Yellow/Black: 10
Immo. Data 2: Orange/Black: 11
(-) Parking Lights Output
XKD2D65
16
8
9
1
1235 47 6
Diagnostic
Connector OBDII
HS CAN High: Red or Violet, pin 6
Steering Lock
(black 7-pin connector)
(+) 12V: Pin 1
(-) SLP: Green or Lt.Blue, pin 4
ENGINE
START
STOP
Black
connector
1
3
4
5
1214 11 10 8
2
9
6
13
7
(-) Push-To-Start:
Blue or Lt. Green, pin 7
BTX: Pin 16
Body ECU
(White or Black 30-pin
connector)
1 7
2 8
3
6
9
21
22
25
10
13
23
26
11
14
29
24
27
12
15
18
20
19
4
16 28
30
(-) Parking Lights: Pin 30
BRX: Pin 4
5
17
HS CAN Low: White
or Red, pin 14
Main
Body ECU
Main Body ECU
(white conn. front
of body ECU)
Wiring diagram
(-) Hood Pin Input Hood Pin
8403.TL2 4.15 2019 Lexus GX 460 (Smart Key)
©2021 VOXX•DEI LLC. All rights reserved.
Vehicle connections
The connection information listed below is specific to the 2019 Lexus GX 460 (Smart Key). Refer to “Pre-installation and application warnings” for a list of important notes.
Data 14-pin blue connector (H1)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H1/1 Light Green No Connection No Connection
H1/2 Violet/Yellow No Connection No Connection
H1/3 Tan/Black (DATA) HS CAN High OBD-Data Link Connector, white 16 pin plug, pin 6 Data Red
H1/4 Tan (DATA) HS CAN Low OBD-Data Link Connector, white 16 pin plug, pin 14 Data White
H1/5 Orange/Green No Connection No Connection
H1/6 Orange/Brown No Connection No Connection
H1/7 Brown Relay N.O. No Connection No Connection
H1/8 Yellow Relay COM No Connection No Connection
H1/9 Orange/Yellow Relay N.C. No Connection No Connection
H1/10 Orange/Red Relay N.C. No Connection No Connection
H1/11 Yellow/Red Relay COM. (-) SLP Output Steering Lock Actuator on steering column, black 7 pin plug, pin 4 - Lt. Blue
H1/12 Brown/Red Relay N.O. (-) Ground (chassis ground)
H1/13 Red (+) W2W Only - 12 Volt Dash Fuse Box, white 1 pin plug (2K), pin 1 + Black (140A)
H1/14 Black (-) W2W Only - Ground (chassis ground)
Output 12-pin red connector (H2)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H2/1 Black/White (-) W2W Only - E-Brake Output Remote Starter
H2/2 Green/Black (-) PTS Output [3] Engine Start Stop Switch, black 14 pin plug, pin 7 - Lt. Green
H2/3 Green/White (-) W2W Only - Door Output Remote Starter
H2/4 Red/Black (-) W2W Only - Trunk Output Remote Starter
H2/5 Violet/White (AC) W2W Only - Tach Output [1] Remote Starter
H2/6 Gray (+) W2W Only - Brake Output Remote Starter
H2/7 Gray/Black (+) Ignition Status Output Remote Starter
H2/8 Violet/Green No Connection No Connection
H2/9 Violet/Brown No Connection No Connection
H2/10 Yellow/Black (Data) Immo Data 1 Body ECU on dash fuse box, white 30 pin plug, pin 4 Data Red (BRX)
H2/11 Orange/Black (Data) Immo Data 2 Body ECU on dash fuse box, white 30 pin plug, pin 16 Data Green (BTX)
H2/12 Blue/Red (-) W2W Only - Hood Output Remote Starter
Input 10-pin black connector (H3)
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H3/1 Green (-) W2W Only - Lock Input Remote Starter
9403.TL2 4.15 2019 Lexus GX 460 (Smart Key)
©2021 VOXX•DEI LLC. All rights reserved.
Module Connects To
Conn./Pin Color Description Wire Location (+/-) Wire Color
H3/2 Blue (-) W2W Only - Unlock Input Remote Starter
H3/3 Red/White (-) W2W Only - Trunk Input [2] Remote Starter
H3/4 White/Violet (-) W2W Only - Left Slidding Door Remote Starter
H3/5 Violet/Black (-) W2W Only - Right Slidding Door [3] Remote Starter
H3/6 White/Black No Connection No Connection
H3/7 Pink/White No Connection No Connection
H3/8 Violet (+) W2W Only - Starter Input Remote Starter
H3/9 Pink (+) Ignition Input Remote Starter
H3/10 Blue/White (-) W2W Only - GWR Input Remote Starter
D2D 4-pin white connector (H4)
Module
Conn./Pin Color Description
H4/1 Green (Data) TX
H4/2 Black (-) Ground
H4/3 Blue (Data) RX
H4/4 Red (+) 12 Volt
RF 2-pin white connector (H5)
Module
Conn./Pin Color Description
H5/1 N/A No Connection
H5/2 N/A No Connection
Additional remote start connections
(Not all of these connections may be required for your installation. Refer to the wiring diagram for vehicle-specific connections.)
Wire Connects To
Wire Location (+/-) Wire Color
Ground (chassis ground)
Hood Pin Dash Fuse Box, white 40 pin plug (2F), pin 23 - Black
Parking Lights - Body ECU on dash fuse box, white 30 pin plug, pin
30
- White
Second 12 Volts Dash Fuse Box, white 1 pin plug (2K), pin 1 + Black (140A)
Tachometer OBD-Data Link Connector, white 16 pin plug, pin 9 AC Pink
10 403.TL2 4.15 2019 Lexus GX 460 (Smart Key)
©2021 VOXX•DEI LLC. All rights reserved.
Connecting the module
Important!
Make all the required connections to the vehicle, as described in this guide, and double check to ensure everything is correct prior
to moving onto programming.
Warning! To take advantage of advanced features, you must use DirectLink 4.5 (and higher) or the Directechs Mobile application.
Flashing a module using your computer:
1. Connect the interface module to your computer using the XKLoader2.
2. Go to www.directechs.com using Internet Explorer, and select the Flash Module button.
3. Follow the instructions to select your vehicle, installation type, and configure your options.
4. Once you have configured the firmware options, click on the FLASH button.
Flashing a module using your smartphone or tablet:
1. Connect the interface module to your XKLoader3.
2. Launch the Directechs Mobile app on your smartphone or tablet.
3. Select FLASH YOUR MODULE and follow the on screen instructions.
When the flashing operation is successful, you can proceed with the instructions below.
D2D installation
Recommended: Connect the 10-pin, 12-pin and 14-pin harnesses to the module, then
connect the 4-pin D2D harness. 3rd
(14-pin)
1st
(10-pin)
4th
(D2D)
2nd
(12-pin)
OR
W2W installation
If required: Connect the 10-pin and 12-pin harnesses to the module, then connect the 14-pin
harness to the module. 3rd
(14-pin)
1st
(10-pin)
2nd
(12-pin)
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