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

Disconnect and remove the air line tube.

Disconnect and remove the air line tube.

Remove the bolt from the charcoal canister assembly (12 mm wrench)

Remove the bolt from the charcoal canister assembly (12 mm wrench)

Install the new filter sub-assembly by sliding the metal bracket between the charcoal canister assembly and the vehicle frame and reinstall the bolt, torqued to 14 ft.-lbs.

Install the new filter sub-assembly by sliding the metal bracket between the charcoal canister assembly and the vehicle frame and reinstall the bolt, torqued to 14 ft.-lbs.

Install a new cable clamp or equivalent 7.5-inch nylon cable tie as shown.

Install a new cable clamp or equivalent 7.5-inch nylon cable tie as shown.

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