Trouble Shooting

If no problems are found when retrieving DTCs, diagnose problem based upon exisiting symptom as follows:

• For symptoms related to engine performance, see TROUBLE SHOOTING - NO CODES article in ENGINE PERFORMANCE.
• For symptoms related to body control system, driver door control system and passenger door control system see BODY CONTROL SYSTEMS - AVALON article. Several peripheral systems are also covered in this article. For a complete list of body control symptoms, see SYMPTOM INDEX (BODY CONTROL SYSTEM) table under SYSTEM TESTS in BODY CONTROL SYSTEMS - AVALON article.
• For symptoms related to theft deterrent system, see ANTI-THEFT SYSTEMS - AVALON article.
• For symptoms related to power seats, see TROUBLE SHOOTING in POWER SEATS article.