Toyota Tundra Service Manual > Heated Oxygen Sensor: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. CHECK HEATED OXYGEN SENSOR (a) Disconnect the heated oxygen sensor connector. (b) Measure the heater resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (HT1B) - 2 (+B) (for Bank 1) 20°C ( ...
