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 Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
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)
Active air fuel ratio control Performing
Active air fuel ratio control is performed when the following conditions are met -
Auxiliary battery voltage 11 V or higher
Engine coolant temperature 75°C (167°F) or higher
Idle Off
Engine speed 1000 rpm or higher, and less than 4000 rpm
Air fuel ratio sensor (sensor 1) status Activated
Fuel-cut Off
Engine load 10% or higher, and less than 70%
Catalyst monitor Not yet
Mass air flow 4.5 gm/sec or higher, and less than 15 gm/sec