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Home >> Lexus >> 2021 >> ES 250 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (A25A-FKS) - Diagnostic Codes (05 Of 12) >> SFI System >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [08/2020 - 08/2021] >> Monitor Result

Monitor Result

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [08/2020 - ]

P0420: CATALYST EFFICIENCY / O2 STORAGE B1

Monitor ID Test ID Scaling Unit Description
$21 $AF Multiply by 0.001 No dimension Oxygen storage capacity of catalyst bank 1 (Normalization)