LEMON Manuals
: Even more car manuals for everyone: 1960-2025
Home
>>
Toyota
>>
2009
>>
Sienna CE
>>
Repair and Diagnosis (Single Page)
>>
Engine Performance
>>
System
>>
Engine Control System - DTC P0120/P0122/P0123/P0220/P0222/P0223/P2135 - P0430
>>
DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2)
>>
Monitor Result
April 5, 2026:
LEMON Manuals is launched!
Read the announcement.
Monitor Result
Refer to
CHECKING MONITOR STATUS
.