Heated Oxygen Sensor: Inspection
- INSPECT HEATER RESISTANCE OF OXYGEN SENSOR
- Disconnect the sensor connector.
- Using an ohmmeter, measure the resistance between terminals +B and HT.
Resistance:
RESISTANCE REFERENCE20°C (68°F) 11-16Ω 800°C (1,472°F) 23-32Ω If the resistance is not as specified, replace the sensor.
Torque: 44 N.m (450 kgf.cm, 32 ft.Ibf)
- Reconnect the sensor connector.
- INSPECT OPERATION OF HEATED OXYGEN SENSORS (See DTC P0130: OXYGEN SENSOR CIRCUIT (BANK 1 SENSOR 1), DTC P0150: OXYGEN SENSOR CIRCUIT (BANK 2 SENSOR 1) and DTC P0136: OXYGEN SENSOR CIRCUIT MALFUNCTION (BANK 1 SENSOR 2) )