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Home >> Toyota >> 2009 >> Tundra Base, 4.0 U >> Repair and Diagnosis >> External Pages >> Different car >> Section 116 (Navigation/Multi-Info Display) >> Navigation System >> Panel Switches do not Function >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK PANEL SWITCH 
    1. Check for foreign matter around the switch that might prevent operation.

      OK: No foreign matter is found. 

    NG: REMOVE ANY FOREIGN MATTER 

    OK: Go to Next Step 

  2. CHECK PANEL SWITCH (DISPLAY CHECK MODE) 
    1. Enter the "Display Check" mode (Panel Switch Check Mode) (See SYSTEM NORMAL CONDITION CHECK  ).
    2. Operate the abnormal switch and check if the switch name and status are correctly displayed.

      OK: The switch name and status are correctly displayed as operated. 

    NG: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )

    Fig 1: Identifying Panel Switch Check Mode
    G05652601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK: REPLACE NAVIGATION RECEIVER ASSEMBLY  (See REMOVAL  )