Power Steering Ecu: Installation

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL POWER STEERING ECU ASSEMBLY
1. Install the power steering ECU assembly to the battery tray with the 3 bolts.
  Torque: 7.5 N*m (76 kgf*cm, 66 in.*lbf)
  
  Fig 1: Locating Power Steering ECU Assembly With Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Connect the connectors (A), (B) and (C) to the power steering ECU assembly
3. Securely lock the connectors (A) and (B).
Fig 2: Connecting Connectors To Power Steering ECU Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL NO. 1 BATTERY TRAY SUPPORT
INSTALL BATTERY
1. Install the battery.
2. Install the battery insulator
3. Install the battery clamp with a nut
  Torque: 2.9 N*m (30 kgf*cm, 26 in.*lbf)
4. Connect the cable to the positive (+) battery terminal
  Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
5. Connect the 2clamps.
6. Connect the cable to the negative (-) battery terminal.
  Torque: 5.4 N*m (55 kgf*cm, 48 in.*lbf)
NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).

Fig 3: Identifying Clamps
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT
HINT.

(See CALIBRATION )