Inspection Procedure

WARNING: This page is about a different car, the 2005 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.

Check the MAP DISC.
1. NG: Replace the MAP DISC.
2. OK: Go to next step.
Insert a MAP DISC without tilt.
1. OK: Normal.
2. NG: Go to next step.
Check the navigation ECU power source circuit (see POWER SOURCE CIRCUIT (NAVIGATION ECU) ).
1. NG: Replace or repair wire harness.
2. OK: Replace the navigation ECU.