LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Toyota
>>
2011
>>
Avalon Base
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
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
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Monitor Result
Refer to Checking Monitor Status. Refer to
CHECKING MONITOR STATUS
.