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Home >> Toyota >> 2008 >> FJ Cruiser RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 223 (Engine Control System (2GR-FE)) >> SFI System >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2) >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
MONITOR STRATEGY CHART

Related DTCs P0420: Catalyst Deterioration (bank 1)
P0430: Catalyst Deterioration (bank 2)
Required Sensors/Components (Main) A/F sensor and HO2 sensor
Required Sensors/Components (Related) Intake air temperature sensor, mass air flow meter, crankshaft position sensor and engine coolant temperature sensor
Frequency of Operation Once per driving cycle
Duration About 30 seconds
MIL Operation 2 driving cycles
Sequence of Operation None