Diagnosis & Repair

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

For wiring diagram, see DTC P0134: OXYGEN (A/F) SENSOR CIRCUIT NO ACTIVITY DETECTED (BANK NO. 1 SENSOR NO. 1) . For diagnosis and repair, see Fig 1-Fig 6 . For testing of systems or components, see BASIC DIAGNOSTIC PROCEDURES - 4-CYL article or SYSTEM & COMPONENT TESTING - 4-CYLINDER article. For removal and installation of components, see REMOVAL, OVERHAUL & INSTALLATION - 4-CYLINDER article. To identify circuits referenced in testing, see appropriate WIRING DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article. To perform confirmation driving pattern, see DTC P2195, DTC P2196, DTC P2237, DTC P2238, DTC P2239, DTC P2251, DTC P2252 & DTC P2253 . To check ECM inputs and outputs, see PIN VOLTAGE CHARTS article. For ECM location, see ENGINE CONTROL MODULE LOCATION under SELF-DIAGNOSTIC SYSTEM. To check for intermittent problems, see ENGINE CONTROL MODULE LOCATION under SELF-DIAGNOSTIC SYSTEM.

Fig 1: DTCs P0171 & P0172 Diagnostic Procedure (Steps 1-3)

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Fig 2: DTCs P0171 & P0172 Diagnostic Procedure (Steps 4-7)

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Fig 3: DTCs P0171 & P0172 Diagnostic Procedure (Step 8)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 4: DTCs P0171 & P0172 Diagnostic Procedure (Step 8 Cont. & Step 9)

Fig 5: DTCs P0171 & P0172 Diagnostic Procedure (Steps 10-14)

Fig 6: DTCs P0171 & P0172 Diagnostic Procedure (Steps 15-18)