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Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK MAP DISC 
    1. Check that the map disc is not deformed or cracked.

      OK: No deformations or cracks on map disc. 

    Fig 1: Checking Disc
    G04945341Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE MAP DISC 

    OK: Go to Next Step 

  2. CHECK NAVIGATION DISPLAY 
    1. Check if a touch scroll can be performed on the map display.

      OK: Touch scroll can be performed. 

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

    OK: Go to Next Step 

  3. CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE) 
    1. Enter the "Navigation Check" mode (Vehicle Sensors) (See NAVIGATION CHECK MODE  ).
    2. While driving the vehicle, compare the "Speed" indicator to the reading on the speedometer. Check if these readings are almost equal.

      OK: The readings are almost equal. 

    Fig 2: Diagnostic Tool Display - Vehicle Sensors Screen
    G04945319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: GO TO "SPEED SIGNAL DOES NOT CHANGE IN NAVIGATION CHECK MODE" IN PROBLEM SYMPTOMS TABLE 

    OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE