LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2019 >> Yaris LE >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (11 Of 13) >> SFI System >> DTC P2237-00: O2 Sensor Positive Current Control Circuit/Open - Bank 1, Sensor 1 [07/2015 - 08/2018] >> Confirmation Driving Pattern
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Confirmation Driving Pattern

Repeatability Verification Procedure 

  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.