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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 53 (Engine Control System (A25A-FXS) - Diagnostic Codes (P2100-P2195)) >> SFI System >> DTC P2195-19: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Circuit Current Above Threshold; DTC P2195-24: A/F (O2) Sensor Signal Biased/Stuck Lean Bank 1 Sensor 1 Signal Stuck High; DTC P2196-18: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Circuit Current Below Threshold; DTC P2196-23: A/F (O2) Sensor Signal Biased/Stuck Rich Bank 1 Sensor 1 Signal Stuck Low [12/2019 - 10/2022] >> Typical Malfunction Thresholds

Typical Malfunction Thresholds

WARNING: This page is about a different variant/trim than selected.
P2195: AIR FUEL RATIO SENSOR (SENSOR 1) HIGH CURRENT (LEAN SIDE MALFUNCTION)

Air fuel ratio sensor (sensor 2) current Less than 0.0551 mA
Air fuel ratio sensor (sensor 1) current More than 0.1883 mA
P2196: AIR FUEL RATIO SENSOR (SENSOR 1) LOW CURRENT (RICH SIDE MALFUNCTION)

Air fuel ratio sensor (sensor 2) current -0.0851 mA or more
Air fuel ratio sensor (sensor 1) current Less than -0.1883 mA
P2195: AIR FUEL RATIO SENSOR (SENSOR 1) LIMIT CURRENT (HIGH SIDE MALFUNCTION)

Duration of following condition 3 seconds or more
Air fuel ratio sensor (sensor 1) current 2.2 mA or more
P2196: AIR FUEL RATIO SENSOR (SENSOR 1) LIMIT CURRENT (LOW SIDE MALFUNCTION)

Duration of following condition 3 seconds or more
Air fuel ratio sensor (sensor 1) current Less than 0.47 mA
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