Lexus IS250 · Service Manual BODY ELECTRICAL

Vehicle Position Mark is not Updated

Circuit diagnosis

INSPECTION PROCEDURE


1. CHECK MAP DISC

  1. I100152E12
    Check that the map disc is not deformed or cracked.

    OK:
    No deformations or cracks on map disc.



NG
REPLACE MAP DISC
OK


2. CHECK NAVIGATION DISPLAY
  1. Check if a touch scroll can be performed on the map display.

    OK:
    Touch scroll can be performed.



NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK


3. CHECK VEHICLE SENSOR (NAVIGATION CHECK MODE)

  1. E120089
    Enter the "Navigation Check" mode (Vehicle Sensors) (Click here).

  1. While driving the vehicle, compare the "Speed" indicator to the reading on the speedometer. Check if 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
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE


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