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Home >> Lexus >> 2020 >> UX 200 Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 39 (Engine Control System (SFI) (M20A-FXS) - Diagnostic Codes (3 Of 6) (Hybrid)) >> SFI System >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [10/2018 - ] >> Catalyst Location

Catalyst Location

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GTY830832Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
*A for 2WD *B for AWD
*1 Air Fuel Ratio Sensor (Sensor 1) *2 Air Fuel Ratio Sensor (Sensor 2)
*3 Exhaust Manifold *4 Front Exhaust Pipe Assembly
*5 TWC: Front Catalyst *6 Tail Exhaust Pipe Assembly
*7 TWC: Rear Catalyst - -
NOTE:

When replacing the exhaust manifold (*3) and the front exhaust pipe assembly (*4) in order to replace the three-way catalytic converter, it is not necessary to replace the air fuel ratio sensor (sensor 1) (*1) and the air fuel ratio sensor (sensor 2) (*2).