2008 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE

Steering Control Ecu: Installation

  1. INSTALL STEERING CONTROL ECU 
    1. Install the ECU with the 3 screws.

      Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf) 

      HINT:

      • Securely attach the hook (B) of the ECU to the blower.
      • Align positioning boss (A) of the blower with the hole of the ECU.
        Fig 1: Installing Steering Control ECU
        G04950319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 3 ECU connectors.
      Fig 2: Locating ECU Connectors
      G04950317Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY  (See INSTALLATION )
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  4. INSTALL COWL TOP VENTILATOR LOUVER RH  (See INSTALLATION )
  5. CHECK SRS WARNING LIGHT 
    1. Check the SRS warning light (see DIAGNOSIS SYSTEM ).
  6. 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.
  7. PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION 
    1. Perform variable gear ratio steering system calibration (see INITIALIZATION  ).
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  • • You are missing required tools, torque specs, or safe lifting equipment.
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