Celica GT L4-1.8L (1ZZ-FE) (2001)
Throttle Position Sensor: Testing and Inspection
On-Vehicle Inspection
ON-VEHICLE INSPECTION
1. INSPECT THROTTLE BODY
Check that the throttle linkage moves smoothly.
2. INSPECT THROTTLE POSITION SENSOR
a. Remove the air cleaner assembly with air flow meter.
b. Disconnect the throttle position sensor connector.
c. Using an ohmmeter, measure the resistance between each terminal.
d. Reconnect the throttle position sensor connector.
e. Reinstall the air cleaner assembly with air flow meter.