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Home >> Lexus >> 2008 >> IS 250 RWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 31 (Power Assist Systems) >> Power Steering Ecu >> Removal

Power Steering Ecu: Removal

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.
  1. REMOVE BATTERY 
    1. Disconnect the cable from the negative (-) battery terminal
      CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.
      NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
      Fig 1: Identifying Clamps
      G05752951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the 2 clamps
    3. Disconnect the cable from the positive (+) battery terminal.
    4. Remove the nut and the battery clamp.
    5. Remove the battery insulator.
    6. Remove the battery.
  2. REMOVE NO. 1 BATTERY TRAY SUPPORT 
  3. REMOVE POWER STEERING ECU ASSEMBLY 
    1. Release the locks of the 2 power steering ECU assembly connectors (A) and (B)
      Fig 2: Disconnecting Connectors From Power Steering ECU Assembly
      G05752952Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the connectors (A), (B) and (C) from the power steering ECU assembly
    3. Remove the 3 bolts
    4. Remove the power steering ECU assembly.
Fig 3: Locating Power Steering ECU Assembly With Bolts
G05752953Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002