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Home >> Toyota >> 2009 >> Matrix Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 23 (Engine Control System SFI System (Diagnostic Codes (P0136 - P0441))) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) (FROM 12/2010); DTC P0430: Catalyst System Efficiency Below Threshold (Bank 2) (FROM 12/2010) >> Monitor Result
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Monitor Result

WARNING: This page is about a different car, the 2011 Toyota Avalon. 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 .