Brand:
Toyota
Model Name:
Yaris NCP90 91 92 93
Manual:
Repair Manual
Section:
1Nz-Fe Engine Control System
Title:
Throttle Body
1. INSPECT THROTTLE WITH MOTOR BODY ASSEMBLY
Check the throttle control motor operating sounds.
Turn the ignition switch on (IG).
When pressing the accelerator pedal, listen for running sounds of the motor. Make sure no friction noises come from the motor.

Check the throttle position sensor.
Connect an intelligent tester to the DLC3.
Turn the ignition switch on (IG).
Push the intelligent tester main switch ON.
Select the following menu items:
Powertrain / Engine and ECT / Data List / Throttle Sensor Position.Depress the accelerator pedal. When the throttle valve is fully open, check that the value of the "Throttle Sensor Position" is within the specifications.
- Standard throttle valve opening percentage:
- 60 % or more
- NOTICE:
- When checking the standard throttle valve opening percentage, the shift lever should be in the neutral position.