Input Sensors & Switches Testing: Notes

NOTE: Testing individual components does not isolate shorts or opens. Perform all voltage tests with a Digital Volt-Ohmmeter (DVOM) that has a minimum 10,000-ohm input impedence, unless stated in the test procedure. Use an ohmmeter to isolate wiring harness shorts or opens.

NOTE: The following sensors and switches are components of the carburetor feedback system. For Carburetor Feedback system testing procedures, see FUEL CONTROL in this article. The ECU does not control air/fuel mixture on Pickup models.