LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2008 >> GS 460 >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> Navigation System >> Vehicle Position Mark Deviates Greatly >> Inspection Procedure

Inspection Procedure

  1. CHECK GPS MARK 
    1. Check that the GPS mark is displayed.

      OK: GPS mark is displayed. 

    NG : GO TO " GPS MARK IS NOT DISPLAYED  " IN PROBLEM SYMPTOMS TABLE 

    Fig 1: Display Screen Of GPS Mark
    G04945343Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to next step 

  2. 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 that these readings are almost equal.

      OK: The readings are almost equal. 

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

    Fig 2: Diagnosis Menu Screen Display - Vehicle Sensor
    G04945319Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    OK : Go to next step 

  3. CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE) 
    1. Check that the display changes between ON and OFF according to the shift lever operation (P and R).

      OK 

      SHIFT LEVER POSITION CHART

      Shift Lever Position Display
      P OFF
      R ON

      HINT:

      The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

      Fig 3: Diagnosis Menu Screen Display - Vehicle Sensors
      G04945345Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG : GO TO "REVERSE SIGNAL DOES NOT CHANGE IN THE NAVIGATION CHECK MODE" IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )

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