Navigation System Vehicle Position Mark Deviates Greatly

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190

INSPECTION PROCEDURE

CHECK GPS MARK

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

NAVIGATION SYSTEM - Vehicle Position Mark Deviates Greatly


INSPECTION PROCEDURE

1.CHECK GPS MARK
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System Vehicle Position Mark Deviates Greatly

  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
OK


2.CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System Vehicle Position Mark Deviates Greatly

  1. Enter the "Navigation Check" mode (Vehicle Sensors) (Click here).

  1. While driving the vehicle, compare the "SPD" indicator to the reading on the speedometer. Check that these readings are almost equal.

    OK:
    The readings are almost equal.


NG
GO TO "NO SWITCHES FUNCTION WHILE VEHICLE IS RUNNING" IN PROBLEM SYMPTOMS TABLE
OK


3.CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System Vehicle Position Mark Deviates Greatly

  1. Check that the display changes to ON or OFF according to the shift lever operation P and R.

    OK:
    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.


NG
GO TO "REVERSE SIGNAL CIRCUIT" IN PROBLEM SYMPTOMS TABLE
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE