Diagnosis & Repair
WARNING: This page is about a different car, the 2003 Toyota Camry. However, it is still accessible from the selected car via links, so may be relevant.
For diagnosis and repair, see Fig 1 and Fig 2 . To identify circuits referenced in testing, see appropriate WIRING DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS. To check speedometer circuit, see appropriate INSTRUMENT PANELS article in ACCESSORIES & EQUIPMENT. To check ECM inputs and outputs, see PIN VOLTAGE CHARTS article. For removal and installation of components, see REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article.