Throttle Body Throttle Position Sensor Vc VTA IDL Vc E2 VTA IDL E2 F10461 F10233 ON-VEHICLE CHECK 1. CHECK THROTTLE BODY (a) Check that the throttle linkage moves smoothly. F10775 (b) Check the vacuum at each port. • Start the engine. • Check the vacuum with your finger. Part No. | At idling | Other than idling 8 | No vacuum | Vacuum * | No vacuum | Vacuum 1 | No vacuum | No vacuum 6 | No vacuum | Vacuum F-0483 2. CHECK THROTTLE POSITION SENSOR (a) Check the resistance between the terminals. • Unplug the connector from the sensor. • Insert a thickness gauge between the throttle stop screw and stop lever. • Using an ohmmeter, check the resistance between each terminal. Ohmmeter E2 IDL F10468