Diagnosis & Repair

WARNING: This page is about a different car, the 2003 Toyota Land Cruiser. 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 Knock sensor circuit wiring diagram, diagnosis and repair procedure, see Fig 1 & Fig 2 . For KS harness intermediate connector(s) location, see Fig 3. For Knock sensor(s) location, see Fig 4.

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

For vacuum or EVAP hose routing, see VACUUM DIAGRAMS article. For testing of systems or components, see SYSTEM & COMPONENT TESTING - V6 & V8 article. For removal and installation of components, see REMOVAL & INSTALLATION - V6 & V8 article.

Fig 1: DTCs P0325 & P0330 Diagnostic Procedure (Step 1)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: DTCs P0325 & P0330 Diagnostic Procedure (Steps 2-3)

Fig 3: Locating EC1 Electrical Connector

Fig 4: Locating Knock Sensors