Directed Directechs DB3 Installation Manual
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Directed Directechs DB3 Installation Manual

2012 lexus is 350c smart key
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INSTALLATION GUIDE
DB3
2012 Lexus IS 350C (Smart Key). 403.TL4 4.00
Designed by Installers for Installers
© 2019 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.

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Summary of Contents for Directed Directechs DB3

  • Page 1 2012 Lexus IS 350C (Smart Key). 403.TL4 4.00 Designed by Installers for Installers © 2019 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...

  • Page 2: Table Of Contents

    Contents Introduction Vehicle function compatibilities Pre-installation and application warnings Wiring diagram Locating components in the vehicle Vehicle connections Connecting the module Module programming Key-type vehicles Push-to-Start (PTS) vehicles LED diagnostics and troubleshooting Soft reset Hard reset Feature programming Feature and option list Limited one year consumer warranty Quick reference guide...
  • Page 3 The following safety warnings must be observed at all times: • Due to the complexity of this system, installation of this product must only be performed by an authorized Directed dealer. • When properly installed, this system can start the vehicle via a command signal from the remote control. Therefore, never operate the system in an area that does not have adequate ventilation.

  • Page 4: Introduction

    Immobilizer Bypass-Data No Key Req'd Factory Alarm Trigger Monitoring SmartStart Brake Status (foot brake) Tach / RPM Output Ignition Status Entry Monitoring ALL Door Pins Entry Monitoring Trunk/Hatch Pin 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 5: Pre-Installation And Application Warnings

    In the case where a combo security alarm/remote starter is installed and the aftermarket remote is not being used (e.g. SmartStart), connect the (-) Rearm Input wire in order to arm the combo system when remote starting the vehicle. 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.
  • Page 6 (+) Starter 2: The Yellow/Black wire needs to Violet, pin 15 be on the vehicle side. (+) Ignition 1: IMO: White, pin 15 Lt. green, pin 35 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 7: Locating Components In The Vehicle

    Locating components in the vehicle 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 8: Vehicle Connections

    (-) 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 No Connection No Connection 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.
  • Page 9 Black (-) Ground H4/3 Green (Data) RX H4/4 (+) 12 Volt RF 2-pin white connector (H5) Module Conn./Pin Color Description H5/1 No Connection H5/2 No Connection 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.
  • Page 10 Power Source ECU above glove box, white 40 pin lt. blue plug, pin 17 Trunk/Hatch Release trunk release switch, black 6 pin plug, pin 4 or 6 pink 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 11: Connecting The Module

    (10-pin) (14-pin) W2W installation If required: Connect the 10-pin and 12-pin harnesses to the module, then connect the 14-pin harness to the module. (12-pin) (10-pin) (14-pin) 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 12: Module Programming

    Green: The bypass has successfully programed WITH statuses. Press the PTS button once more to turn the ignition OFF. You have successfully completed the module programming sequence. 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 13: Led Diagnostics And Troubleshooting

    Troubleshooting OBDII feature not supported. The diagnostic data bus was not detected, therefore the SmartStart features will be limited. (Flashes red, red, then orange) x 10 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.
  • Page 14 The smart key was not detected, which prevents the system from shutting down the vehicle. Flashes red x 3 Speed was detected. The vehicle was detected as moving, which prevents the system from shutting it down. Flashes red x 4 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 15: Soft Reset

    Wait 3 seconds until the LED turns ON solid orange, and wait 10 more seconds until the & LED starts to flash orange and red. Solid Flashes Release the programming button. The LED turns ON solid red. & Release Solid 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 16: Feature Programming

    To exit feature programming, press and hold the programming button for 3 seconds or ensure there is no activity on the interface for 30 seconds. The LED will turn ON orange for 2 seconds to confirm the end of the programming sequence. 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 17: Feature And Option List

    Module is connected to an XL202 using an RSR or RXT installation (when available). Type 3. SmartStart Module is connected to SmartStart using an RSR or RXT installation (when available). 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

  • Page 18: Limited One Year Consumer Warranty

    This warranty gives you specific legal rights and you may also have other rights that vary from State to State. DIRECTED does not and has not authorized any person or entity to create for it any other obligation, promise, duty or obligation in connection with this Part.

  • Page 19: Quick Reference Guide

    Factory remote. Press the Remote Start button on the transmitter.* • Aftermarket remote. • Directed SmartStart application via your smartphone. & The parking lights will flash once to indicate the Parking lights flash x1 Press Remote vehicle is now in Pit Stop Mode.
  • Page 20 Notes 403.TL4 4.00 2012 Lexus IS 350C (Smart Key) © 2019-05-31 Directed. All rights reserved.

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403.tl4 4.00

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