Diagnosis & Repair

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

Read freeze frame data using the hand-held tester or the OBD II scan tool, as freeze frame data records the engine conditions when a malfunction is detected.

For diagnosis and repair procedure with Toyota Hand-held tester, see Fig 2 & Fig 3 . For diagnosis and repair procedure with OBD II scan tool, see Fig 4 & Fig 5 .

For circuit wiring diagram, see Fig 1. When access to, or replacement of ECM is necessary, Engine Control Module (ECM) is located behind glove box. 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, OVERHAUL & INSTALLATION - 4-CYLINDER article.

Fig 1: Starter Relay Circuit Wiring Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: DTC P0617 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 1-3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: DTC P0617 Diagnostic Procedure Using Toyota Hand-Held Tester (Steps 4-5)

Fig 4: DTC P0617 Diagnostic Procedure Using OBD II Scan Tool (Steps 1-3)

Fig 5: DTC P0617 Diagnostic Procedure Using OBD II Scan Tool (Steps 4-5)