LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2021 >> IS 350 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (4 Of 7) >> SFI System >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1; DTC P0430-00: Catalyst System Efficiency Below Threshold Bank 2 [10/2017 - 09/2018] >> Monitor Result
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Monitor Result

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [10/2017 - ]

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)
P0430: CATALYST EFFICIENCY / O2 STORAGE B2

Monitor ID Test ID Scaling Unit Description
$22 $AF Multiply by 0.001 No dimension Oxygen storage capacity of catalyst bank 2 (Normalization)