toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Power Steering Pressure Switch > < Air-Fuel Ratio (A/F) Sensor
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Oxygen Sensor: Testing and Inspection
Heated Oxygen Sensor

INSPECTION

1. INSPECT HEATER RESISTANCE OF HEATED OXYGEN SENSOR

a. Disconnect the 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: 20 N.m (200 kgf.cm, 14 ft.lbf)

c. Reconnect the oxygen sensor connector.

2. Bank 1 Sensor 2:

INSPECT OPERATION OF HEATED OXYGEN SENSOR

Power Steering Pressure Switch > < Air-Fuel Ratio (A/F) Sensor