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.

NOTE: Read freeze frame data using hand-held tester or OBD II scan tool, as freeze frame data records the engine conditions when a malfunction is detected. When trouble shooting, it is useful for determining whether the vehicle was running or stopped, the engine was warmed up or not, the air-fuel ratio was lean or rich, etc. at the time of the malfunction.

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 5 . To go to relevant DTC chart, see DIAGNOSTIC TROUBLE CODE DEFINITIONS . To identify circuits referenced in testing, see appropriate WIRING DIAGRAM under ENGINE PERFORMANCE in SYSTEM WIRING DIAGRAMS article. 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 perform confirmation driving pattern, see DTC P2195, DTC P2196, DTC P2237, DTC P2238, DTC P2239, DTC P2251, DTC P2252 & DTC P2253 . To check for intermittent problems, see INTERMITTENT PROBLEM CHECK under SELF-DIAGNOSTIC SYSTEM.

Fig 1: DTC P2A00 Diagnostic Procedure (Steps 1-2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 2: DTC P2A00 Diagnostic Procedure (Step 2 Cont. & Step 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Fig 3: DTC P2A00 Diagnostic Procedure (Steps 4-8)

Fig 4: DTC P2A00 Diagnostic Procedure (Steps 9-13)

Fig 5: DTC P2A00 Diagnostic Procedure (Steps 14-17)