Operation CHARM: Car repair manuals for everyone.

Air-Fuel Ratio (A/F) Sensor

INSPECTION

INSPECT HEATER RESISTANCE OF A/F SENSORS
(Bank 1 Sensor 1, Bank 2 Sensor 1)




a. Disconnect the A/F sensor connector.




b. Using an ohmmeter measure the resistance between terminals +B and HT.

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

Torque: 44 N.m (440 kgf.cm, 31 ft.lbf)

c. Reconnect the A/F sensor connector.