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Heated Oxygen Sensor: Inspection

  1. INSPECT HEATED OXYGEN SENSOR 
    1. Measure the heater resistance according to the value(s) in the table below.

    Standard Resistance 

    TESTER CONNECTION SPECIFIED CONDITION CHART

    Tester Connection Condition Specified Condition
    1 (HT1B) - 2(+B) (for Bank 1) 20°C (68°F) 11 to 16 Ω
    1 (HT2B) - 2 (+B) (for Bank 2)

    If the result is not as specified, replace the heated oxygen sensor.

    Fig 1: Identifying Terminals Of Heated Oxygen Sensor Connector
    G05628289Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002