Toyota Tundra Service Manual > Air Fuel Ratio Sensor: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIR FUEL RATIO SENSOR (a) Disconnect the 2 air fuel ratio sensor connectors. (b) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 1 (HA1A) - 2 (+B) (for Bank 1) 20°C ( ...