lexus Workshop Repair Guides

Lexus Workshop Service and Repair Manuals

Oxygen Sensor|Service and Repair > < Air Fuel Ratio Sensor|Page 4825
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Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor

ON-VEHICLE INSPECTION

1. INSPECT HEATED OXYGEN SENSOR

a. Disconnect the heated oxygen sensor connector.
b. Measure the heater resistance between terminals 1 (HT) and 2 (+B) of the sensor.

Standard resistance: 11 to 16 ohms at 20 °C (68 °F)

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

Oxygen Sensor|Service and Repair > < Air Fuel Ratio Sensor|Page 4825