Diagnosis & Repair

WARNING: This page is about a different car, the 2003 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.

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 2-Fig 4 .

For circuit wiring diagram, see Fig 1.

For ECM location, see Figure. For ECM connector terminal view, see Figure.

For testing of systems or components, see BASIC DIAGNOSTIC PROCEDURES - 4-CYLINDER article or SYSTEM & COMPONENT TESTING - 4-CYLINDER article. For removal and installation of components, see REMOVAL & INSTALLATION - 4-CYLINDER article.

Fig 1: Ignition Coil With Ignitor Circuit Wiring Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: DTCs P1300, P1305, P1310 & P1315 Diagnostic Procedure (Steps 1-3)

Fig 3: DTCs P1300, P1305, P1310 & P1315 Diagnostic Procedure (Steps 4-5)

Fig 4: DTCs P1300, P1305, P1310 & P1315 Diagnostic Procedure (Steps 6-9)