DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 52 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0128-P0171)) >> SFI System >> DTC P014C-00: O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 1; DTC P014D-00: O2 Sensor Slow Response - Lean to Rich Bank 1 Sensor 1; DTC P015A-00: O2 Sensor Delayed Response - Rich to Lean Bank 1 Sensor 1; DTC P015B-00: O2 Sensor Delayed Response - Lean to Rich Bank 1 Sensor 1 [12/2019 - 10/2022] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
P014C: AIR FUEL RATIO SENSOR (SENSOR 1) RESPONSE RATE (RICH TO LEAN RESPONSE RATE)

Rich to Lean Response rate deterioration level 16.1743 μA or less
P014D: AIR FUEL RATIO SENSOR (SENSOR 1) RESPONSE RATE (LEAN TO RICH RESPONSE RATE)

Lean to Rich Response rate deterioration level -18.7683 μA or more
P015A: AIR FUEL RATIO SENSOR (SENSOR 1) RESPONSE RATE (RICH TO LEAN DELAY)

Rich to Lean delay level 409.6 msec. or more
P015B: AIR FUEL RATIO SENSOR (SENSOR 1) RESPONSE RATE (LEAN TO RICH DELAY)

Lean to Rich delay level 393.22 msec. or more
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