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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Inspection
1. Inspect defogger relay (marking: def) Remove the defogger relay from the instrument panel j/b.  inspect the defogger relay. Standard: If the result is not as specified, replace the relay ...

Operating instructions
Turning the end of the lever turns on the lights as follows: ► Type A 1 The daytime running lights turn on. 2 The side marker, parking, tail, license plate, daytime running lights and instrument panel lights turn on. 3 The headlights and all the lights listed above (except daytime ...

Cd cannot be inserted or is ejected right after insertion
Wiring diagram Inspection procedure 1 Check if a proper cd is inserted Check that a proper cd is inserted.  Make sure that the cd is normal audio cd, and that there is no deformation, flaw, stain, burr and other defects on the cd. Standard: normal audio cd. Reference: ...