DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (2GR-FKS) - Diagnostic Codes (2 Of 6) >> 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 P014E-00: O2 Sensor Slow Response - Rich to Lean Bank 2 Sensor 1; DTC P014F-00: O2 Sensor Slow Response - Lean to Rich Bank 2 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; DTC P015C-00: O2 Sensor Delayed Response - Rich to Lean Bank 2 Sensor 1; DTC P015D-00: O2 Sensor Delayed Response - Lean to Rich Bank 2 Sensor 1 [12/2019 - 10/2022] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

P014C AND P014E: AIR FUEL RATIO SENSOR (BANK 1, 2) RESPONSE RATE (RICH TO LEAN RESPONSE RATE)

Rich to Lean response rate deterioration level 0.0615 V or less
P014D AND P014F: AIR FUEL RATIO SENSOR (BANK 1, 2) RESPONSE RATE (LEAN TO RICH RESPONSE RATE)

Lean to Rich response rate deterioration level -0.0615 V or higher
P015A AND P015C: AIR FUEL RATIO SENSOR (BANK 1, 2) RESPONSE RATE (RICH TO LEAN DELAY)

Rich to Lean delay level 376.83 ms or more
P015B AND P015D: AIR FUEL RATIO SENSOR (BANK 1, 2) RESPONSE RATE (LEAN TO RICH DELAY)

Lean to Rich delay level 376.83 ms or more
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