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Home >> Lexus >> 2023 >> LX 600 Premium >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (W/ Canister Pump Module) - Diagnostic Codes (5 Of 9) >> SFI SYSTEM (w/ Canister Pump Module) >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1; DTC P0430-00: Catalyst System Efficiency Below Threshold Bank 2 [12/2021 - 10/2023] >> Monitor Result
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Monitor Result

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [12/2021 - ]

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)