Toyota Tundra Service Manual > Air Pump: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT AIR PUMP ASSEMBLY (a) Start the engine and warm it up. (b) Turn the ignition switch off. (c) Connect the 400 A probe of an ammeter to the (+) wire of the air pump assembly. (d) Connect the Techstream to the DLC3. (e) Turn the ignition switch to ON and turn ...
