Introduction; Pre-Installation And Application Warnings - Directed Directechs DS4+ Installation Manual

Introduction

The TL2 firmware for DS4+ is compatible with specific Lexus and Toyota vehicles. It is a complete solution for
remote start, security (when security features are enabled), bypass, and features built in Bluetooth 4.0 allowing
you to configure and control your system. This guide provides information on the installation of the module
using TL2. Please refer to the DirectLink application or www.directechs.com for more information about which
configuration is best for your application.
Warning! This module is designed to be configured using the DirectLink application for mobile devices, however it can also
be configured using the web tool located at www.directechs.com. To download the DirectLink mobile application, please visit the
Google Play or Apple store.

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
Warning! No takeover feature is available on Push-to-Start vehicles.
Š
The Keyless and Smart Key will remain functional during remote start.
Š
All Hybrid vehicles: for best results, set Engine Checking to OFF when flashing.
Š
Unless specified otherwise, all connectors are displayed from the wire side, with the exception of the OBDII diagnostic
Š
connector.
It is important to check that the fuses are positioned correctly in the module. Proper fuse positioning is displayed on each
Š
wiring diagram.
Refer to the "Vehicle wiring reference chart" following each installation type.
Š
General notes: This section highlights important information for this specific firmware.
The installation of an aftermarket hood pin is ONLY required on vehicles that are not equipped with a factory hood pin.
[1]
The siren is ONLY required when enabling the security features during module flashing.
[2]
Connection required ONLY if Pit-Stop/Idle mode is desired.
[3]
Additional parts required (maximum required):
Diode 6A
0 x 1A Diodes
4
87
87a
86 85
30
0 x Relay
Keys required for
1
programming
Resistor 100Ω
0 x Resistor
Keys required for
0
operation
Fuse 7.5A
0 x Fuse
DS4+ TL2
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