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Home >> Toyota >> 2024 >> Corolla LE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 39 (Engine Control System (2ZR-FXE) - Diagnostic Codes (10 Of 15)) >> SFI System >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [09/2024 - ] >> Monitor Result

Monitor Result

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Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [01/2019 - ]

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)