Throttle Position Sensor: Testing and Inspection
2ZR-FE ENGINE CONTROL SYSTEM: THROTTLE BODY: ON-VEHICLE INSPECTION
1. INSPECT THROTTLE BODY ASSEMBLY
(a) Check the throttle position sensor.
(1) Connect a Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the tester ON.
(4) Start the engine.
(5) Select the following menu items:
Powertrain / Engine and ECT / Data List / Throttle Position.
(6) Depress the accelerator pedal.
OK:
Make sure that the throttle valve is opened when the accelerator pedal is depressed.