System Check (Camry & Camry Solara)
WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2003 Toyota Tundra, 2003 Toyota Tacoma, 2003 Toyota Sienna, 2003 Toyota Sequoia, and 2003 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
Manufacturer does not list an EGR system check, only individual component testing is listed. If a problem exists in EGR system, a Diagnostic Trouble Code (DTC) P0401, P0402, P0405 or P0409 may be stored in Engine Control Module (ECM). On Camry, DTC P0406 may also be used. On all models, see TESTING PROCEDURE under SELF-DIAGNOSTIC SYSTEM in appropriate SELF-DIAGNOSTICS article for retrieving of DTCs.