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Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Note: 

MAP SCREEN DISPLAYED DOES NOT APPEAR (DISC CAUTION SCREEN DOES NOT CHANGE)

Caution Message Cause Corrective Action
Disc cover is open.
Close it and perform operation again.
Cover of map disc slot is open. Close cover.
No disc.
Please insert map disc.
No map disc is inserted. Insert a proper map disc.
Unable to read disc correctly.
Check if the disc is damaged or dirty.
Data cannot be read because map disc is dirty or scratched. Wipe off dirt on disc surface with soft cloth.
Unable to read data.
Temperature is too high.
Something other than map disc is inserted. Insert a correct map disc.
Unable to read data.
Temperature is too high.
Pick-up part of player is heated to a high temperature. Stop vehicle at a shaded cool place and turn the ignition switch OFF.
When confirming that temperature of navigation ECU has been lowered, turn the ignition switch ON.
Unable to read data. Contact your dealer. Player cannot read data from map disc temporarily. Turn the ignition switch OFF and ON*

HINT:

*: If the same caution screen appears again after turning the ignition switch ON, replace the navigation ECU.

  1. TAKE APPROPRIATE MEASURE ACCORDING TO THE CAUTION SCREEN 
    • OK: NORMAL 
    • NG: GO TO NEXT STEP 
  2. CHECK MAP DISC 
    • NG: REPLACE DISC 
    • OK: REPLACE NAVIGATION ECU