Navigation Ecu: Removal

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL (for Manual Seat)
CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working (See AIRBAG SYSTEM ).
REMOVE SEAT TRACK BRACKET COVER OUTER FRONT LH (See REMOVAL )
REMOVE SEAT TRACK BRACKET COVER INNER FRONT LH (See REMOVAL )
REMOVE SEAT TRACK COVER LH (See REMOVAL )
REMOVE SEAT TRACK COVER RH (See REMOVAL )
REMOVE FRONT SEAT ASSEMBLY LH (w/o Front Seat Side Airbag) (See REMOVAL )
REMOVE FRONT SEAT ASSEMBLY LH (w/ Front Seat Side Airbag) (See DISASSEMBLY )
REMOVE NAVIGATION ECU COVER
1. Remove the 4 claws and the navigation ECU cover.
  
  Fig 1: Identifying Navigation ECU Cover Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE NAVIGATION ECU
1. Remove the 2 bolts and the navigation ECU.
  
  Fig 2: Locating Navigation ECU Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Disconnect the 5 connectors.
3. Remove the 4 screws, the disc player bracket and navigation ECU cover lower.
  
  Fig 3: Locating Disc Player Bracket And Navigation ECU Cover Lower Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002