Steering Control Ecu: Installation

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
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the 3 ECU connectors.
  
  Fig 2: Locating ECU Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
INSTALL COWL TOP VENTILATOR LOUVER RH (See INSTALLATION )
CHECK SRS WARNING LIGHT
1. Check the SRS warning light (see DIAGNOSIS SYSTEM ).
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.
PERFORM VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION
1. Perform variable gear ratio steering system calibration (see INITIALIZATION ).