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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 P0136-16: A/F (O2) Sensor Circuit Bank 1 Sensor 2 Circuit Current (Voltage) Below Threshold; DTC P013A-7C: A/F Sensor - Rich to Lean Bank 1 Sensor 2 Slow Response [10/2022 - 11/2023] >> Monitor Strategy

Monitor Strategy

WARNING: This page is about a different variant/trim than selected.
Related DTCs P0136: Air fuel ratio sensor (sensor 2) output current malfunction
P013A: Air fuel ratio sensor (sensor 2) response rate during fuel cut from rich condition
Required Sensors/Components (Main) Air fuel ratio 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 (sensor 1)
Frequency of Operation Once per driving cycle
Duration 20 seconds: P0136
10 seconds: P013A
MIL Operation 2 driving cycles: P0136
Immediate: P013A
Sequence of Operation None
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