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.

CHECK OPERATION
1. Check for AVC-LAN communication DTCs.
  OK: AVC-LAN communication DTCs are not output, and there are no symptoms specified in the problem symptoms table.
NG: GO TO " DIAGNOSTICS TROUBLE CODE CHART " OF AUDIO SYSTEM OR NAVIGATION SYSTEM

OK: REPLACE GATEWAY ECU