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Vehicle Position Mark Deviates Greatly: Procedure

  1. CHECK GPS MARK 
    1. Check that the GPS mark is displayed.
      Fig 1: Checking To See That GPS Mark Is Displayed
      GTY299422Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      GPS mark is displayed.

      TEXT IN ILLUSTRATION

      *a Example

    NG → See step   2 

    OK: Go to next step 

  2. GO TO "GPS MARK IS NOT DISPLAYED" IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
  3. CHECK VEHICLE SENSOR (OPERATION CHECK) 
    1. Enter the "Vehicle Sensors" screen. Refer to Check GPS & Vehicle Sensors in Operation Check, refer to OPERATION CHECK .
      Fig 2: Screen Display - GPS & Vehicle Sensor
      GTY171424Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    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 → See step   4 

    OK: Go to next step 

  4. CHECK DTC OUTPUT. Refer to  DTC CHECK / CLEAR 
  5. CHECK VEHICLE SIGNAL (OPERATION CHECK) 
    1. Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check, refer to OPERATION CHECK .
    2. Check that the display changes between ON and OFF according to the shift lever operation.
      Fig 3: Identifying Vehicle Signal Check Mode Screen
      GTY185793Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK

      Shift Lever Position Display
      Except R OFF
      R ON

      HINT: 

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

    NG → See step   6 

    OK → See step   7 

  6. GO TO "REVERSE SIGNAL DOES NOT CHANGE IN VEHICLE SIGNAL CHECK MODE" IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
  7. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE