Conquest TSI L4-2555cc 2.6L Turbo VIN N FI (1987)
Idle Speed/Throttle Actuator - Electronic: Testing and Inspection
Idle Speed Control (ISC) Motor
Fig. 33 ISC servo test. 1987-89 models
1.
Disconnect ISC motor connector.
2.
Using a suitable ohmmeter, check continuity between terminals 1 and 4 of ISC motor coil, Fig. 33.
3.
Resistance should be 5-11 ohms at 68°F.
4.
Apply 6 volts DC between terminals 1 and 4 of ISC motor connector, then check that servo operates.
5.
If tests are not as specified, replace servo assembly.
