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Home >> Mazda >> 2017 >> CX-3 Touring, AWD >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic - Engine Control System (3 Of 5) >> DTC P2237-00; Open Circuit Between A/F Sensor Terminal B And PCM Terminal 1AG >> Repeatability Verification Procedure

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.
    NOTE:
    • 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.