240SX L4-2.4L (KA24DE) (1993)
Throttle Position Switch: Testing and Inspection
Closed Throttle Position Switch Inspection
1.
Disconnect connector.
2.
Using an ohm meter, check continuity across terminals 1 and 2.
Continuity should exist with throttle closed.
Continuity should NOT exist with throttle open.
Replace sensor if it fails the above test.