Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Catalyst system efficiency below threshold

Toyota Corolla (E120): Catalyst system efficiency below threshold

Dtc p0420 catalyst system efficiency below threshold (bank 1)

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On–vehicle inspection
1. Horn button assy (vehicles not involved in collision) Check the diagnostic system . visually check the following item with the horn button assy (with airbag) installed in the vehicle. Check cuts, minute cracks or marked discoloration on the horn button assy top surface and in the ...

Speed sensor front lh
Replacement Hint: replace the rh side by the same procedure as the lh side. 1. Remove front wheel 2. Remove front fender liner lh 3. Remove speed sensor front lh Disconnect the speed sensor wire harness clamp from the body.  disconnect the speed sensor connector. Remo ...

Front seats
Adjustment procedure ► Manual seat 1 Seat position adjustment lever 2 Seatback angle adjustment lever 3 Vertical height adjustment lever (driver’s side only) ► Power seat (driver’s side only) 1 Seat position adjustment switch 2 Seatback angle adjustment switch 3 Seat cush ...