Throttle Position Sensor: Testing and Inspection

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

1. INSPECT THROTTLE BODY WITH MOTOR ASSEMBLY

(a) Listen to the throttle control motor operating sounds.

(1) Turn the ignition switch to ON.

(2) When depressing the accelerator pedal, listen to the running sounds of the motor. Make sure no friction noises come from the motor.

If friction noises exist, check the throttle body with motor, wire harness and ECM.

(b) Inspect 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 Date / Throttle Sensor Position.

(5) Depress the accelerator pedal. When the throttle valve is fully opened, check that the throttle position value is within the specified range.

Standard:

60% or more

NOTICE:
When checking the standard throttle valve opening percentage, make sure the transmission is in neutral.

If the result is not as specified, check the throttle body with motor, wire harness and ECM.