Throttle Position Sensor: Testing and Inspection

2AR-FE ENGINE CONTROL: THROTTLE BODY: ON-VEHICLE INSPECTION

1. CHECK THROTTLE WITH MOTOR BODY ASSEMBLY

(a) Check the throttle control motor operating sounds.

(1) Turn the ignition switch to ON.

(2) When pressing the accelerator pedal, check the operating sound of the running motor. Make sure that no friction noises are emitted from the motor.

If friction noise exists, replace the throttle with motor body assembly.

(b) Check the throttle position sensor.

(1) Connect the Techstream to the DLC3.

(2) Turn the ignition switch to ON.

(3) Turn the Techstream on.

(4) Enter the following menus: Powertrain / Engine and ECT / Data List / All Data / Throttle Sensor Position.

(5) Depress the accelerator pedal. When the throttle valve is fully opened, check that the value of "Throttle Sensor Position" is within the specification.

Standard throttle valve opening percentage:

60% or more

NOTICE:
When checking the standard throttle valve opening percentage, make sure the shift lever is in N.

If the percentage is less than 60%, replace the throttle with motor body assembly.