2008 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Customize Parameters

HINT:

The following items can be customized.

NOTE:
  • Be sure to record the current settings before customizing.
  • When the customer requests a change in a function, first make sure that the function(s) can be customized.
  • When troubleshooting a function, first make sure that the function is set to the default setting.
  1. POWER TILT AND POWER TELESCOPIC STEERING COLUMN SYSTEM 

    Multiplex tilt and telescopic ECU 

    MULTIPLEX TILT AND TELESCOPIC ECU - CUSTOMIZE PARAMETERS

    Display (Item) Default Contents Setting
    Auto Away / Return Function ON ON / OFF of auto away / return function ON / OFF
  2. AIR CONDITIONING SYSTEM 

    A/C amplifier 

    A/C AMPLIFIER - CUSTOMIZE PARAMETERS

    Display Default Contents Setting
    Set Shift Temperature Normal Function to control with shifted temperature against display temperature. +2C / +1C / Normal -1C / -2C
    Air Inlet Mode Automatic When turning A/C ON when you desire to cool compartment down quickly, this function changes mode automatically to RECIRCULATED mode. Manual / Auto
    Compressor Mode Automatic Function to turn A/C ON automatically by pressing AUTO button when the blower is ON and the A/C is OFF. Manual / Auto
    Compressor / Air Inlet DEF Operation Link Function to turn A/C ON automatically linking with FRONT DEF button when A/C is OFF. Normal / Link
    Air Inlet (PSW /LOCK) operation Link Function to change mode automatically to OUTSIDE AIR mode from RECIRCULATED mode linking with A/C button in case of A/C breakdown, etc. Normal / Link
    Emission Gas Sensor Shift Normal Function to change sensitivity of exhaust gas sensor. Much More / More / Little More / Normal / Little Less / Less / Much Less
    Foot Air Out Operation ON Function to turn air flow from lap-jet ON automatically when retractable hard top is housed OFF / ON
    Foot/DEF Auto Mode ON Function to turn air flow from FOOT / DEF ON automatically when AUTO MODE is ON OFF / ON
  3. THEFT DETERRENT SYSTEM 
    1. Selecting passive mode with Techstream.

      Security 

      THEFT DETERRENT SYSTEM - CUSTOMIZE PARAMETERS

      Display (Item) Default Contents Setting
      Passive Mode (Security System) OFF PASSIVE MODE is a function that switches theft deterrent system from arming preparation state to arming state 30 seconds after key is removed from ignition key cylinder and driver side door is closed, even if doors are not locked by wireless or door key lock operation In PASSIVE MODE, theft deterrent system will judge that a theft is taking place and switch to alarm sounding state if one of the following operations are not performed within 14 seconds (see ENTRY DELAY below) after door is opened:
      • Unlock any door by key or wireless operation
      • Reconnect battery
      • Insert key into ignition key cylinder and turn ignition switch from OFF to ON
      ON / OFF
      Warning by Horn ON Function that allows vehicle horn and security horn to be able to be used as warning device ON / OFF
      Entry Delay Time 14 s Function that changes entry delay time (time before warning starts) for PASSIVE MODE 0 s/14 s/30 s
    2. Selecting passive mode without Techstream.
      Fig 1: Flow Chart For Selecting Passive Mode Without Intelligent Tester (1 Of 3)
      G05292449Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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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.

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