Throttle Position Switch: Testing and Inspection

- Disconnect plugs from oxygen sensor control unit and acceleration enrichment control unit.

EZ Control Unit Right 4-Pin Plug:

- Disconnect right-hand four-pin plut from EZ control unit.
- Connect ohmmeter to terminal 2 of plug and ground. Should be 0 - 0.5 ohms.
- Open throttle valve. Should be infinte ohms.