Toyota Avalon Service & Repair Manual > Throttle Body: On-vehicle Inspection
ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Put the engine in Inspection Mode (Maintenance Mode). Powertrain > Hybrid Control > Utility Tester Display Ins ...