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Home >> Mitsubishi >> 1990 >> Precis Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests - PFI >> Idle Control System >> Idle Speed Control (ISC) Motor Operation Test
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Idle Speed Control (ISC) Motor Operation Test

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

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

Fig 1: Identifying Idle Speed Control Motor Connector Terminals
G90C17386Courtesy of MITSUBISHI MOTOR SALES OF AMERICA