DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 50 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0400-P0450)) >> SFI System >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [10/2022 - 11/2023] >> Monitor Result

Monitor Result

WARNING: This page is about a different variant/trim than selected.

Refer to detailed information in Checking Monitor Status.

Refer to CHECKING MONITOR STATUS [12/2019 - ]

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)