Inspection Procedure

WARNING: This page is about a different car, the 2003 Lexus GS 430 and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

Check combination meter (See TROUBLE SHOOTING ).
1. NG: Replace combination meter.
2. OK: Go to next step.
  Check and replace ECM (Check wire harness, connectors and terminals for damage or looseless, check ECM and body ground, check for Open or Short circuits).