2005 Lexus LS 430FACTORY OEM SERVICE PROCEDURE

Data List/Active Test

  1. DATA LIST 

    HINT:

    By accessing the DATA LIST displayed on the hand-held tester, you can perform such functions as reading the values of switches and sensors without removing any parts. Reading the DATA LIST is the first step of troubleshooting and is one method to shorten labor time.

    1. Connect the hand-held tester to the DLC3.
    2. Turn the ignition switch to the ON position.
    3. Following the display on the tester, select "DATA LIST".

    Seat Belt Control ECU: 

    Fig 1: Seat Belt Control ECU Data List Chart
    G03002639Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. ACTIVE TEST 

    HINT:

    Perform the ACTIVE TEST using the hand-held tester to operate the motors of the front seat outer belts.

    Performing the ACTIVE TEST is one of the methods to shorten labor time. It is possible to display the DATA LIST during the ACTIVE TEST.

    1. Connect the hand-held tester to the DLC3.
    2. Turn the ignition switch to the ON position.
    3. Following the display on the tester, select the "DATA LIST".

    Seat Belt Control ECU: 

    Fig 2: Seat Belt Control ECU Active Test Chart
    G03002640Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

Shop Manual-Ready ToolsCompare Repair QuoteQuote Shield Pro

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.