Diagnosis & Repair
WARNING: This page is about a different car, the 2003 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
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.
The procedure here is the same as for DTCs P2195 through P2198. The only difference will be when asked to check for DTCs throughout procedure, check for DTCs P2A00 and P2A03. For diagnosis and repair procedure, see DIAGNOSIS & REPAIR under DTCs P2195, P2196, P2197 & P2198: OXYGEN SENSOR SIGNAL STUCK (BANK 1 &/OR 2 SENSOR 1).