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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] >> Description

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]: Description

Refer to DTC P0036-12.

Refer to DESCRIPTION

DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note
P0136-11 O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Ground Low impedance:
  1. Sensor impedance less than 5 Ω for 30 seconds or more when ECM presumes sensor is warmed up and operating normally (2 trip detection logic)
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • Air fuel ratio sensor (bank 1 sensor 1)
  • Gas leak from exhaust system
  • Fuel pressure
  • Fuel system
  • PCV valve and hose
  • Intake system
 Comes on DTC stored SAE Code: P0136
DTC for Mexico Models:
- Does not apply
P0136-13 O2 Sensor Circuit Bank 1 Sensor 2 Circuit Open Abnormal voltage output:
  1. During active air fuel ratio control, heated oxygen sensor voltage does not increase to 0.71 V or higher for certain period of time (2 trip detection logic)
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • Air fuel ratio sensor (bank 1 sensor 1)
  • Gas leak from exhaust system
  • Fuel pressure
  • Fuel system
  • PCV valve and hose
  • Intake system
 Comes on DTC stored SAE Code: P0136
DTC for Mexico Models:
- Applies
P0136-14 O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Ground or Open High impedance:
  1. Sensor impedance 15 kΩ or higher for 90 seconds or more when ECM presumes sensor to be warmed up and operating normally (2 trip detection logic)
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • Air fuel ratio sensor (bank 1 sensor 1)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P0137
DTC for Mexico Models:
- Does not apply
P0136-15 O2 Sensor Circuit Bank 1 Sensor 2 Circuit Short to Battery or Open Extremely high voltage (short):
  1. Heated oxygen sensor voltage output exceeds 1.2 V for 10 seconds or more (2 trip detection logic)
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • ECM
  • Air fuel ratio sensor (bank 1 sensor 1)
 Comes on DTC stored SAE Code: P0138
DTC for Mexico Models:
- Does not apply
P0136-17 O2 Sensor Circuit Bank 1 Sensor 2 Circuit Voltage Above Threshold Low voltage (open):
  1. During active air fuel ratio control, following conditions (a) and (b) met for certain period of time (2 trip detection logic) (a) Heated oxygen sensor voltage output less than 0.21 V

    (b) Target air fuel ratio rich
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • Air fuel ratio sensor (bank 1 sensor 1)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P0137
DTC for Mexico Models:
- Applies
P0136-1C O2 Sensor Circuit Bank 1 Sensor 2 Circuit Voltage Out of Range High voltage (short):

During active air fuel ratio control, the following conditions (a) and (b) are met for a certain period of time (2 trip detection logic):

  1. (a) Heated oxygen sensor voltage output is higher than 0.71 V.

    (b) Target air fuel ratio is lean.
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • Air fuel ratio sensor (bank 1 sensor 1)
  • ECM
 Comes on DTC stored SAE Code: P0138
DTC for Mexico Models:
- Applies (Mexico models only)
P0136-23 O2 Sensor Circuit Bank 1 Sensor 2 Signal Stuck Low Heated oxygen sensor (bank 1 sensor 2) voltage does not drop to less than 0.2 V immediately during fuel cut starts (2 trip detection logic)
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P0139
DTC for Mexico Models:
- Does not apply
P013A-00 O2 Sensor Slow Response - Rich to Lean Bank 1 Sensor 2 Heated oxygen sensor (bank 1 sensor 2) voltage does not drop from 0.35 V to 0.2 V immediately during fuel cut starts (1 trip detection logic)
  • Heated oxygen sensor (bank 1 sensor 2) circuit
  • Heated oxygen sensor (bank 1 sensor 2)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P013A
DTC for Mexico Models:
- Does not apply
P013C-00 O2 Sensor Slow Response - Rich to Lean Bank 2 Sensor 2 Heated oxygen sensor (bank 2 sensor 2) voltage does not drop from 0.35 V to 0.2 V immediately during fuel cut starts (1 trip detection logic)
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P013C
DTC for Mexico Models:
- Does not apply
P0156-11 O2 Sensor Circuit Bank 2 Sensor 2 Circuit Short to Ground Low impedance:
  1. Sensor impedance less than 5 Ω for 30 seconds or more when ECM presumes sensor is warmed up and operating normally (2 trip detection logic)
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • Air fuel ratio sensor (bank 2 sensor 1)
  • Gas leak from exhaust system
  • Fuel pressure
  • Fuel system
  • PCV valve and hose
  • Intake system
 Comes on DTC stored SAE Code: P0156
DTC for Mexico Models:
- Does not apply
P0156-13 O2 Sensor Circuit Bank 2 Sensor 2 Circuit Open Abnormal voltage output:
  1. During active air fuel ratio control, heated oxygen sensor voltage does not increase to 0.71 V or higher for certain period of time (2 trip detection logic)
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • Air fuel ratio sensor (bank 2 sensor 1)
  • Gas leak from exhaust system
  • Fuel pressure
  • Fuel system
  • PCV valve and hose
  • Intake system
 Comes on DTC stored SAE Code: P0156
DTC for Mexico Models:
- Applies
P0156-14 O2 Sensor Circuit Bank 2 Sensor 2 Circuit Short to Ground or Open High impedance:
  1. Sensor impedance 15 kΩ or higher for 90 seconds or more when ECM presumes sensor to be warmed up and operating normally (2 trip detection logic)
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • Air fuel ratio sensor (bank 2 sensor 1)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P0157
DTC for Mexico Models:
- Does not apply
P0156-15 O2 Sensor Circuit Bank 2 Sensor 2 Circuit Short to Battery or Open Extremely high voltage (short):
  1. Heated oxygen sensor voltage output exceeds 1.2 V for 10 seconds or more (2 trip detection logic)
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • ECM
  • Air fuel ratio sensor (bank 2 sensor 1)
 Comes on DTC stored SAE Code: P0158
DTC for Mexico Models:
- Does not apply
P0156-17 O2 Sensor Circuit Bank 2 Sensor 2 Circuit Voltage Above Threshold Low voltage (open):
  1. During active air fuel ratio control, following conditions (a) and (b) met for certain period of time (2 trip detection logic) (a) Heated oxygen sensor voltage output less than 0.21 V

    (b) Target air fuel ratio rich
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • Air fuel ratio sensor (bank 2 sensor 1)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P0157
DTC for Mexico Models:
- Applies
P0156-1C O2 Sensor Circuit Bank 2 Sensor 2 Circuit Voltage Out of Range High voltage (short):

During active air fuel ratio control, the following conditions (a) and (b) are met for a certain period of time (2 trip detection logic):

  1. (a) Heated oxygen sensor voltage output is higher than 0.71 V.

    (b) Target air fuel ratio is lean.
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • Air fuel ratio sensor (bank 2 sensor 1)
  • ECM
 Comes on DTC stored SAE Code: P0158
DTC for Mexico Models:
- Applies (Mexico models only)
P0156-23 O2 Sensor Circuit Bank 2 Sensor 2 Signal Stuck Low Heated oxygen sensor (bank 2 sensor 2) voltage does not drop to less than 0.2 V immediately during fuel cut starts (2 trip detection logic)
  • Heated oxygen sensor (bank 2 sensor 2) circuit
  • Heated oxygen sensor (bank 2 sensor 2)
  • Gas leak from exhaust system
 Comes on DTC stored SAE Code: P0159
DTC for Mexico Models:
- Does not apply
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