Diagnosis & Repair
NOTE:
Using Toyota hand-held tester or scan tool, read FREEZE FRAME data. Freeze frame data records engine conditions when malfunction is detected.
For diagnosis and repair procedure, see Fig 1. For step 1) and step 2) perform steps 22) and 23) in Figure respectively.
For EVAP system circuit wiring diagram, see Figure. For location of emission related components, see Figure.
For ECM location, see Figure. For ECM connector terminal view, see Figure.
For testing of systems or components, see SYSTEM & COMPONENT TESTING - 4-CYLINDER article. For removal and installation of components, see REMOVAL & INSTALLATION - 4-CYLINDER article.