Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

HINT

After the inspection is completed, clear the DTCs

CHECK NAVIGATION ECU
1. Park the vehicle in a cool place
2. Check that the temperature of the navigation ECU has become sufficiently low, then start the engine to verify the malfunction symptom
  OK: Same problem does not occur.
NG: REPLACE NAVIGATION ECU (See REMOVAL )

OK: END