A/F SENSOR HEATER RELAY (for DPF) ON-VEHICLE INSPECTION


  1. INSPECT AIR FUEL RATIO SENSOR HEATER RELAY


    1. A01DVNZE31

      Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      3 - 5 Battery voltage not applied to terminals 1 and 2 10 kΩ or higher
      Battery voltage applied to terminals 1 and 2 Below 1 Ω

      If the result is not as specified, replace the air fuel ratio sensor heater relay.