T100 Pickup 4WD V6-180.5 2959cc 3.0L SOHC (3VZ-E) (1993)
Oxygen Sensor: Testing and Inspection
Main Heated Oxygen Sensor
INSPECTION
Oxygen Sensor Heater Resistance Inspection
1. Using an ohmmeter measure the resistance between the terminals +B and HT.
Resistance: 5 - 7 ohms at 20°C (68°F).
2. If the resistance is not as specified, replace the Heated Oxygen Sensor.
Feedback Voltage Inspection
1. Warm engine up to operating temperature.
2. Connect a voltmeter to the Data Link Connector 1 terminals VF1 and E1. When called for in the test, use a jumper wire to connect between
terminals TE1 and E1.
Heated Oxygen Sensor Inspection Part 1 Of 2