NAVIGATION SYSTEM Vehicle Position Mark Deviates Greatly

DTC Code DTC Name
Vehicle Position Mark Deviates Greatly

CAUTION / NOTICE / HINT

Note:

  • If standard size tires are not installed, the vehicle position mark may deviate from the route even if the navigation system is operating normally.

  • Make sure that standard size tires are installed to the vehicle before inspection.

PROCEDURE

  1. CHECK CABIN

    1. Check the cabin for any object that might interrupt radio reception on the instrument panel. If such an object exists, remove it and check if the vehicle position mark returns to the appropriate position.

      Tip:

      The GPS uses extremely faint radio waves originating from satellites. If the signal is interrupted by obstructions or other radio waves, the GPS may not be able to properly receive the signal.

      OK

      After driving for a while, the vehicle position mark returns to the appropriate position.

    Result

    Proceed to

    OK

    NG
    OK

    END

    NG

  2. CHECK SURROUNDINGS

    1. Check if the vehicle is in a location where GPS signal reception is poor. If the vehicle is in such a location, move the vehicle and check if the vehicle position mark returns to the appropriate position.

      Tip:

      The GPS uses 24 satellites in 6 orbits. At any point in time, 4 satellites should be able to pinpoint your vehicle. However, GPS signals may not reach the vehicle due to influence from the surroundings, vehicle direction and time. For examples, see the following illustration.

      I100196C14

      *a

      Example

      *b

      In a tunnel

      *c

      In a building

      *d

      Under an overpass

      *e

      On a forest or tree-lined path

      *f

      Between tall buildings

      *g

      Under a cliff or overhang

      -

      -

      OK

      After driving for a while, the vehicle position mark returns to the appropriate position.

    Result

    Proceed to

    OK

    NG
    OK

    SYSTEM RETURNS TO NORMAL

    NG

  3. CHECK SYSTEM SENSORS (OPERATION CHECK)

    1. E283415

      Enter the "System Sensors Check" screen. Refer to Check System Sensors in Operation Check.

      Click hereClick here

    2. Check how many of the following codes appear in "Reception number".

      Tip:

      T or P appears.

      OK

      At least 3 codes appear.

    Result

    Proceed to

    OK

    NG
    NG

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click hereClick here

    OK

  4. CHECK VEHICLE SIGNAL (OPERATION CHECK)

    1. Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check.

      Click hereClick here

    2. E225801

      Check that the display changes between ON and OFF according to the shift lever operation.

      OK

      Shift Lever Position

      Display

      Except R

      OFF

      R

      ON
      Tip:

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

    Result

    Proceed to

    OK

    NG
    OK

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

    Click hereClick here

    NG

    GO TO "REVERSE SIGNAL DOES NOT CHANGE IN VEHICLE SIGNAL CHECK MODE" IN PROBLEM SYMPTOMS TABLE

    Click hereClick here