Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
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Throttle Valve Assembly: 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. Disconnect the throttle position sensor connector.
b. Using an ohmmeter, measure the resistance between each terminal.
c. Reconnect the throttle position sensor connector.
