Diagnosis & Repair

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

For diagnosis and repair procedure, see Fig 1-Fig 5 . For circuit wiring diagram, see Figure.

For access to, or replacement of ECM, Engine Control Module (ECM) is located behind glove box. See Figure. For ECM connector 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 P2195, P2196, P2237, P2238 & P2239 Diagnostic Procedure (Steps 1-3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: DTCs P2195, P2196, P2237, P2238 & P2239 Diagnostic Procedure (Step 3 Cont.)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: DTCs P2195, P2196, P2237, P2238 & P2239 Diagnostic Procedure (Steps 4-8)

Fig 4: DTCs P2195, P2196, P2237, P2238 & P2239 Diagnostic Procedure (Steps 9-13)

Fig 5: DTCs P2195, P2196, P2237, P2238 & P2239 Diagnostic Procedure (Steps 14-19)