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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (2GR-FKS) - Diagnostic Codes (2 Of 6) >> SFI System >> DTC P0136-11: O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Ground; DTC P0136-13: O2 Sensor Circuit Bank 1 Sensor 2 Circuit Open; DTC P0136-14: O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Ground or Open; DTC P0136-15: O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Battery or Open; DTC P0136-17: O2 Sensor Circuit Bank 1 Sensor 2 Circuit Voltage Above Threshold; DTC P0136-1C: O2 Sensor Circuit Bank 1 Sensor 2 Circuit Voltage Out of Range; DTC P0136-23: O2 Sensor Circuit Bank 1 Sensor 2 Signal Stuck Low; DTC P013A-00: O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2; DTC P013C-00: O2 Sensor Slow Response - Rich to Lean Bank 2 Sensor 2; DTC P0156-11: O2 Sensor Circuit Bank 2 Sensor 2 Circuit Short to Ground; DTC P0156-13: O2 Sensor Circuit Bank 2 Sensor 2 Circuit Open; DTC P0156-14: O2 Sensor Circuit Bank 2 Sensor 2 Circuit Short to Ground or Open; DTC P0156-15: O2 Sensor Circuit Bank 2 Sensor 2 Circuit Short to Battery or Open; DTC P0156-17: O2 Sensor Circuit Bank 2 Sensor 2 Circuit Voltage Above Threshold; DTC P0156-1C: O2 Sensor Circuit Bank 2 Sensor 2 Circuit Voltage Out of Range; DTC P0156-23: O2 Sensor Circuit Bank 2 Sensor 2 Signal Stuck Low [12/2019 - 10/2022] >> Typical Enabling Conditions

Typical Enabling Conditions

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Monitor runs whenever the following DTCs are not stored P0010, P0020 (VVT oil control solenoid bank 1, 2)
P0011, P0021 (VVT system bank 1, 2 - advance)
P0012, P0022 (VVT system bank 1, 2 - retard)
P0013, P0023 (Exhaust VVT oil control solenoid bank 1, 2)
P0014, P0024 (Exhaust VVT system bank 1, 2 - advance)
P0015, P0025 (Exhaust VVT system bank 1, 2 - retard)
P0016, P0018 (VVT system bank 1, 2 - misalignment)
P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment)
P0031, P0032, P0051, P0052, P101D, P103D (Air fuel ratio sensor heater)
P0037, P0038, P0057, P0058, P0141, P0161, P102D, P105D (Heated oxygen sensor heater)
P0087, P0088, P0191, P0192, P0193 (Fuel pressure sensor (for high pressure side))
P0101, P0102, P0103 (Mass air flow meter)
P0111, P0112, P0113 (Intake air temperature sensor)
P0116, P0117, P0118 (Engine coolant temperature sensor)
P011B (Engine coolant temperature/intake air temperature sensor correlation)
P0121, P0122, P0123, P0222, P0223, P2135 (Throttle position sensor)
P0125 (Insufficient coolant temperature for closed loop fuel control)
P0128 (Thermostat)
P014C, P014D, P014E, P014F, P015A, P015B, P015C, P015D, P2195, P2196, P2197, P2198, P2237, P2238, P2239, P2240, P2241, P2242, P2252, P2253, P2255, P2256, P2A00, P2A03 (Air fuel ratio sensor)
P0171, P0172, P0174, P0175 (Fuel system)
P0201, P0202, P0203, P0204, P0205, P0206, P062D, P21CF, P21D0, P21D1, P21D2, P21D3, P21D4 (Fuel injector)
P0300 - P0306 (Misfire)
P0327, P0328, P0332, P0333 (Knock control sensor)
P0335, P0337, P0338 (Crankshaft position sensor)
P0340, P0342, P0343, P0345, P0347, P0348 (Camshaft position sensor)
P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust camshaft position sensor)
P0443 (EVAP system)
P0500 (Vehicle speed sensor)
P0657, P0658, P2102, P2103, P2111, P2112, P2119 (Throttle actuator)
P107B, P107C, P107D (Fuel pressure sensor (for low pressure side))
P11EA, P11EB, P11EC, P11ED, P11EE, P11EF, P11F0, P11F1, P219A, P219B, P219C, P219D, P219E, P219F, P21A0, P21A1 (Air-fuel ratio imbalance)
P1235 (High pressure fuel pump circuit)
P2228, P2229 (Atmospheric pressure sensor)
P0136, P0137, P0156 AND P0157: HEATED OXYGEN SENSOR VOLTAGE CHECK (VOLTAGE MALFUNCTION AND LOW VOLTAGE)

Battery voltage 11 V or higher
Intake air temperature (for mass air flow meter sub-assembly) -10°C (14°F) or higher
Engine coolant temperature 75°C (167°F) or higher
Atmospheric pressure 76 kPa (abs) [11 psi (abs)] or higher
Idling Off
Engine speed Less than 3500 rpm
Air fuel ratio sensor status Activated
Fuel system status Closed loop
Engine load 10% or higher, and less than 100%
P0136 AND P0156: HEATED OXYGEN SENSOR CIRCUIT CONTINUITY CHECK (CIRCUIT SHORT)

Battery voltage 11 V or higher
Estimated heated oxygen sensor temperature Less than 700°C (1292°F)
ECM monitor Completed
DTC P0607 Not set
P0137 AND P0157: HEATED OXYGEN SENSOR CIRCUIT CONTINUITY CHECK (CIRCUIT OPEN)

Battery voltage 11 V or higher
Estimated heated oxygen sensor temperature 450°C (842°F) or higher, and less than 750°C (1382°F)
DTC P0607 Not set
P0138 AND P0158: HEATED OXYGEN SENSOR CIRCUIT CONTINUITY CHECK (OUT OF RANGE)

Battery voltage 11 V or higher
Time after engine start 2 seconds or more
P0138 AND P0158: HEATED OXYGEN SENSOR VOLTAGE CHECK (HIGH VOLTAGE)

Active air fuel ratio control Executing
Active air fuel ratio control begins when all of the following conditions met -
Battery voltage 11 V or higher
Engine coolant temperature 75°C (167°F) or higher
Idling Off
Engine speed Less than 3500 rpm
Air fuel ratio sensor status Activated
Fuel system status Closed loop
Engine load 10% or higher, and less than 100%
P0139 AND P0159: HEATED OXYGEN SENSOR RESPONSE RATE DURING FUEL CUT

Battery voltage 11 V or higher
Engine coolant temperature 75°C (167°F) or higher
Estimate catalyst temperature 400°C (752°F) or higher
Fuel cut On
P013A AND P013C: HEATED OXYGEN SENSOR RESPONSE RATE DURING FUEL CUT FROM RICH CONDITION

Battery voltage 11 V or higher
Engine coolant temperature 75°C (167°F) or higher
Estimate catalyst temperature 400°C (752°F) or higher
Fuel cut On
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