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Home >> Toyota >> 1997 >> Landcruiser AWD L6-4.5L (1FZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Oxygen Sensor >> Testing and Inspection
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Oxygen Sensor: Testing and Inspection


INSPECTION
(Bank 1 Sensor 1, Bank 1 Sensor 2)
INSPECT HEATER RESISTANCE OF HEATED OXYGEN SENSORS

1. DIsconnect the heated oxygen sensor connector.

Sensor No.1:




Sensor No.2:





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

Resistance: At 20°C (68°F):
Bank 1 Sensor 1: 11 - 16 ohms
Bank 2 Sensor 2: 11 - 16 ohms

If resistance is not as specified, replace the heated oxygen sensor.
3. Reconnect the heated oxygen sensor connector.
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