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Home >> Toyota >> 2012 >> Matrix Base, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 42 (Engine Control System (2ZR-FE) (Diagnostic Codes (P0010-P0420)) >> SFI System >> DTCS >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) >> Monitor Result
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Monitor Result

WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Checking Monitor Status. Refer to CHECKING MONITOR STATUS .