2007 Lexus SC 430FACTORY OEM SERVICE PROCEDURE

Skid Control Ecu: Installation

  1. INSTALL SKID CONTROL BUZZER ASSEMBLY 
  2. INSTALL SKID CONTROL ECU 
    1. Install the ECU with the 2 bolts.
      Fig 1: Locating Bolts And ECU
      G05290723Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 5.0 N*m (51 kgf*cm, 44 in.*lbf) 

    2. Connect the ECU and skid control buzzer connectors.
  3. INSTALL LOWER NO. 1 INSTRUMENT PANEL AIR BAG ASSEMBLY (See  INSTALLATION  ) 
  4. INSTALL NO. 1 INSTRUMENT PANEL SAFETY PAD SUB-ASSEMBLY (See  INSTALLATION  ) 
  5. INSTALL FRONT DOOR OPENING TRIM COVER LH (See  INSTALLATION  ) 
  6. INSTALL DOOR SCUFF PLATE ASSEMBLY LH (See  INSTALLATION  ) 
  7. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  8. PERFORM INITIALIZATION 
    1. Perform initialization (see INITIALIZATION ).
      NOTE: Certain systems need to be initialized after disconnecting and reconnecting the cable from the negative (-) battery terminal.
  9. CHECK SRS WARNING LIGHT 
    1. Check the SRS warning light (see DIAGNOSIS SYSTEM ).
  10. PERFORM YAW RATE SENSOR ZERO POINT CALIBRATION 
    1. Perform the yaw rate sensor zero point calibration (see CALIBRATION  ).
  11. CHECK VSC SENSOR SIGNAL 
    1. Check the VSC sensor signal (see TEST MODE PROCEDURE  ).
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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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