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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 191 (Engine Control System (2UZ-FE)) >> SFI System >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1): DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2) >> Monitor Strategy
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Monitor Strategy

WARNING: This page is about a different car, the 2007 Toyota Land Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
MONITOR STRATEGY

Related DTCs P0420: Catalyst (Bank 1) detection
P0430: Catalyst (Bank 2) detection
Required Sensors/Components (Main) Catalyst
Required Sensors/Components (Related) Heated oxygen sensor, Intake air temperature sensor, Mass air flow meter, Crankshaft position sensor, Engine coolant temperature sensor
Frequency of Operation Unified cycle
Duration About 30 seconds
MIL Operation 2 driving cycles
Sequence of Operation None