2005 Lexus ES 330FACTORY OEM SERVICE PROCEDURE

Section 92 (Navigation System): Replacement

WARNING: This page is about a different car, the 2004 Toyota Sienna. However, it is still accessible from the selected car via links, so may be relevant.
  1. REMOVE FRONT SEAT ASSY RH 

    POWER SEAT TYPE: (See  OVERHAUL  ) 

    MANUAL SEAT TYPE: (See  OVERHAUL  ) 

    FOLD FLAT SEAT TYPE: (See  OVERHAUL  ) 

  2. REMOVE NAVIGATION COMPUTER W/BRACKET 
    1. Disconnect the connector.
    2. Remove the 4 bolts and the navigation computer w/ bracket.
    Fig 1: Removing Navigation Computer W/Bracket
    G03063369Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. REMOVE DISC PLAYER BRACKET 
    1. Remove the 2 screws and the disc player bracket.
    Fig 2: Removing Disc Player Bracket
    G03063370Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE DISC PLAYER BRACKET NO. 2 
    1. Remove the 2 screws and the disc player bracket No. 2.
    Fig 3: Removing Disc Player Bracket No. 2
    G03063371Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  5. REMOVE NAVIGATION ECU ASSY 
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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