Lexus IS250 · Service Manual BODY ELECTRICAL

MAP Display Incomplete

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 that displays other than the navigation display are complete.

    OK:
    No other incomplete displays are found.



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

REPLACE NAVIGATION ECU


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