Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Mazda >> 2010 >> 5 Touring, 2.3 L >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System [L3] >> Air Fuel Ratio (A/F) Sensor Inspection >> A/F Sensor Heater Resistance Inspection

A/F Sensor Heater Resistance Inspection

  1. Disconnect the A/F sensor connector.
  2. Measure the resistance between A/F sensor terminals A and E.
    • If not within the specification, replace the A/F sensor.

    A/F sensor heater resistance 

    1-10 ohms 

    Fig 1: Identifying A/F Sensor Heater Connector Terminals
    G05543252Courtesy of MAZDA MOTORS CORP.
scientia non olet · About Mike's Workshop Manuals