Some 2014-2018 Toyota Corolla vehicles equipped with a 2ZR-FE or 2ZR-FAE engine may exhibit a MIL on condition, the DTC P2420 (evaporative emission pressure switching valve stuck off).
If P2420 is stored, replace the charcoal canister assembly and install the new filter sub-assembly.
Clear all DTCs and run the EVAP system check utility (Engine and ECT > Utility > EVAP System Check).
PART ................................................. P/N
Charcoal canister assembly.................77740-02220
Filter sub-assembly.............................77706-12020
Clamp..................................................90463-13003
