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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 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] >> Monitor Strategy

Monitor Strategy

Related DTCs P0136: Heated oxygen sensor (bank 1) voltage check (voltage malfunction)
P0136: Heated oxygen sensor (bank 1) circuit continuity check (circuit short)
P0137: Heated oxygen sensor (bank 1) voltage check (low voltage)
P0137: Heated oxygen sensor (bank 1) circuit continuity check (circuit open)
P0138: Heated oxygen sensor (bank 1) circuit continuity check (out of range)
P0139: Heated oxygen sensor (bank 1) response rate during fuel cut
P013A: Heated oxygen sensor (bank 1) response rate during fuel cut from rich condition
P013C: Heated oxygen sensor (bank 2) response rate during fuel cut from rich condition
P0156: Heated oxygen sensor (bank 2) voltage check (voltage malfunction)
P0156: Heated oxygen sensor (bank 2) circuit continuity check (circuit short)
P0157: Heated oxygen sensor (bank 2) voltage check (low voltage)
P0157: Heated oxygen sensor (bank 2) circuit continuity check (circuit open)
P0158: Heated oxygen sensor (bank 2) circuit continuity check (out of range)
P0159: Heated oxygen sensor (bank 2) response rate during fuel cut
Required Sensors/Components (Main) Heated oxygen sensor (sensor 2)
Required Sensors/Components (Related) Crankshaft position sensor
Engine coolant temperature sensor
Mass air flow meter sub-assembly
Throttle position sensor
Air fuel ratio sensor
Frequency of Operation Once per driving cycle: Active air fuel ratio control detection, heated oxygen sensor abnormal voltage during fuel cut.
Continuous: Other
Duration 20 seconds: Heated oxygen sensor voltage check
30 seconds: Heated oxygen sensor circuit continuity check (circuit short)
90 seconds: Heated oxygen sensor circuit continuity check (circuit open)
10 seconds: Heated oxygen sensor circuit continuity check (out of range)
7 seconds: Heated oxygen sensor response rate during fuel cut, Heated oxygen sensor response rate during fuel cut from rich condition
MIL Operation 2 driving cycles: P0136, P0137, P0138, P0139, P0156, P0157, P0158 and P0159
Immediate: P013A and P013C
Sequence of Operation None
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