LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2020 >> Yaris L, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (12 Of 13) >> SFI System >> DTC P2237-00: O2 Sensor Positive Current Control Circuit/Open - Bank 1, Sensor 1 [08/2018 - ] >> Confirmation Driving Pattern
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Confirmation Driving Pattern

Repeatability Verification Procedure (200 Pin Type) 

  1. Warm up the engine to allow the engine coolant temperature to reach 80 °C {176 °F} or more.
  2. Start the engine and leave it idling for 1 min.
  3. Shift to 2nd gear and drive the vehicle for 1 min at a speed of 50 km/h {31 mph} or more.

    HINT: 

    • Match the engine coolant temperature in the recorded FREEZE FRAME DATA (Mode 02)/snapshot data, the vehicle speed, and engine speed values to the best extent possible while driving the vehicle.
  4. Try to reproduce the malfunction by driving the vehicle for 5 min based on the values in the FREEZE FRAME DATA (Mode 02)/snapshot data.

Repeatability Verification Procedure (186 Pin Type) 

  1. Warm up the engine to allow the engine coolant temperature to reach 80 °C {176 °F} or more.
  2. Start the engine and leave it idling for 1 min.
  3. Shift to 2nd gear and drive the vehicle for 1 min at a speed of 50 km/h {31 mph} or more.

    HINT: 

    • Match the engine coolant temperature in the recorded FREEZE FRAME DATA/snapshot data, the vehicle speed, and engine speed values to the best extent possible while driving the vehicle.
  4. Try to reproduce the malfunction by driving the vehicle for 5 min based on the values in the FREEZE FRAME DATA/snapshot data.
scientia non olet · About LEMON Manuals