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Home >> Plymouth >> 1988 >> Colt L4-1468cc 1.5L SOHC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Idle Speed Motor Position Sensor >> Testing and Inspection
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Idle Speed Motor Position Sensor: Testing and Inspection


1. Turn ignition switch to Lock, then disconnect ISC motor connector.
2. Turn ignition switch On, then apply approximately 6 volts (DC) or lower between terminals 1 and 4 of ISC motor connector.
3. Ensure MPS output voltage changes smoothly, during ISC motor operation, between .5 and 5 volts.