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Steering Control Ecu: Installation: Installation

WARNING: This page is about a different car, the 2010 Lexus LS 460L and 2010 Lexus LS 460. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSTALL STEERING CONTROL ECU 
    Fig 1: Installing Steering Control ECU
    GTY102342Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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.
      2. Fig 2: Locating ECU Connectors
      GTY111160Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Connect the 3 ECU connectors.
  2. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 22
  3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
  4. INSTALL COWL TOP VENTILATOR LOUVER RH  . Refer to INSTALLATION - Step 11
  5. CHECK SRS WARNING LIGHT 
    1. Check the SRS warning light. Refer to DIAGNOSIS SYSTEM .
  6. PERFORM INITIALIZATION 
    1. Perform initialization. Refer to 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. Refer to CALIBRATION .
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