Idle Speed Control (ISC) Motor Operation Test

NOTE: ISC motor adjusts throttle plate angle to regulate idle air by-pass volume.

CAUTION: DO NOT apply more than 6 volts to ISC motor.

Connect 6-volt source across terminals No. 1 and 2 of ISC motor connector. See Fig 1 . Reverse leads of 6-volt source. If motor does not operate in both directions, replace ISC motor assembly.

Fig 1: ISC Motor Connector Terminal ID (Precis)

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.