DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 55 (Engine Control System (A25A-FXS) - Diagnostic Codes (P2270-P2610)) >> SFI System >> DTC P2270-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 2 Circuit Current Above Threshold; DTC P2271-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 2 Circuit Current Below Threshold [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 - ]

P2270, P2271: O2 SENSOR / OUTPUT RATE B1S2

Monitor ID Test ID Scaling Unit Description
$02 $91 Multiply by 0.004 mA Output rate bank 1 sensor 2