DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 54 (Engine Control System (A25A-FXS) - Diagnostic Codes (P2195-P2237)) >> 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 [11/2023 - ] >> Typical Enabling Conditions

Typical Enabling Conditions

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

Monitor runs whenever the following DTCs are not stored P0010, P1360, P1362, P1364, P1366, P2614 (Motor drive VVT system control module)
P0011 (VVT system - advance)
P0012 (VVT system - retard)
P0013 (Exhaust VVT oil control solenoid)
P0014 (Exhaust VVT system - advance)
P0015 (Exhaust VVT system - retard)
P0016 (VVT system - misalignment)
P0017 (Exhaust VVT system - misalignment)
P0031, P0032, P101D (Air fuel ratio sensor (sensor 1) heater)
P0037, P0038, P102D (Air fuel ratio sensor (sensor 2) heater)
P0087, P0088, P0191, P0192, P0193 (Fuel pressure sensor (for high pressure side))
P0101, P0102, P0103 (Mass air flow meter)
P0106, P0107, P0108 (Manifold absolute pressure)
P0111, P0112, P0113 (Intake air temperature sensor)
P0116, P0117, P0118 (Engine coolant temperature sensor)
P0121, P0122, P0123, P0222, P0223, P2135 (Throttle position sensor)
P0125 (Insufficient coolant temperature for closed loop fuel control)
P0128 (Thermostat)
P0136, P013A, P2270, P2271, P22AB, P22AC, P22AD, P22B3, P22B4 (Air fuel ratio sensor (sensor 2))
P0171, P0172 (Fuel system)
P0201, P0202, P0203, P0204, P062D, P21CF, P21D0, P21D1, P21D2 (Fuel injector)
P0300, P0301, P0302, P0303, P0304 (Misfire)
P0327, P0328 (Knock control sensor)
P0335, P0337, P0338 (Crankshaft position sensor)
P0340, P0342, P0343 (Camshaft position sensor)
P0365, P0367, P0368 (Exhaust camshaft position sensor)
P0400 (EGR system)
P0401 (EGR system (closed))
P0441 (EVAP system)
P0489, P0490 (EGR control circuit)
P0657, P0658, P2102, P2103, P2111, P2112, P2119 (Throttle actuator)
P107B, P107C, P107D (Fuel pressure sensor (for low pressure side))
P11EA, P11EC, P11ED, P11EE, P11EF, P219A, P219C, P219D, P219E, P219F (Air-fuel ratio imbalance)
P1235 (High pressure fuel pump circuit)
P2228, P2229 (Atmospheric pressure sensor)
AIR FUEL RATIO SENSOR (SENSOR 1) LOW/HIGH CURRENT

Time after engine start 30 seconds or more
Auxiliary battery voltage 11 V or higher
Air fuel ratio sensor (sensor 1) status Activated
Air fuel ratio sensor (sensor 1) malfunction (P2237, P2238, P2239, P2252, P2253) Not detected
Fuel system status Closed-loop
AIR FUEL RATIO SENSOR (SENSOR 1) LIMIT CURRENT

Auxiliary battery voltage 11 V or higher
Engine coolant temperature 75°C (167°F) or higher
Atmospheric pressure 76 kPa (abs) [11 psi (abs)] or higher
Air fuel ratio sensor (sensor 1) status Activated
Continuous time of fuel-cut 3 seconds or more, and less than 10 seconds
Time after EGR valve closed 2 seconds or more
Air fuel ratio sensor (sensor 1) malfunction (P2237, P2238, P2239, P2252, P2253) Not detected