Laser L4-1753cc 1.8L SOHC (1991)
Throttle Full Close Switch: Testing and Inspection
Idle Position Sensor Connector
1.
Disconnect the electrical connector to the Motor Position Sensor.
2.
Check for continuity between the sensor connector terminal # 4 and body ground.
Checking The Idle Position Switch
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While the accelerator pedal is depressed, continuity should NOT exist.
^
While the accelerator pedal is released, continuity should exist.
3.
If faulty, replace the Idle Speed Control Servo assembly.