Navigation System Speed Signal Error

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

INSPECTION PROCEDURE

CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

NAVIGATION SYSTEM - Speed Signal Error


INSPECTION PROCEDURE

1.CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System Speed Signal Error

  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 if these readings are almost equal.

    OK:
    The readings are almost equal.


NG
REPLACE NAVIGATION ECU
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN DIAGNOSTIC TROUBLE CODE CHART