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Home >> Lexus >> 2020 >> NX 300h Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (3 Of 6) >> SFI System >> DTC P0420: Catalyst System Efficiency Below Threshold (Bank 1) [10/2014 - 09/2016] >> Monitor Result
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Monitor Result

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [10/2014 - ]

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 (Normalized)