Scoupe L4-1468cc 1.5L SOHC (8 VALVE) (1991)
Idle Position Switch: Testing and Inspection
Idle Switch / Motor Position Sensor Locations
To test the Idle Switch, located on the end of the Idle Speed Control (ISC) Servo (mounted on the throttle body), proceed as follows.
Motor Position Sensor, Connector Location
Idle Switch Test Hook-up
1.
Disconnect the motor position sensor (MPS) connector.
2.
Check for continuity between terminal 3 and the body ground.
Terminal 3: Idle Switch
3.
Depress the accelerator off the idle position and check for continuity, there should be none (infinite ohm). Release the throttle to the idle position
and test for continuity again, there should be continuity (0 ohm).