Aurora V8-4.0L VIN C (1996)
Idle Speed: Adjustments
Controlled Idle Speed
The Controlled Idle Speed is controlled by the Powertrain Control Module (PCM) which operated the Idle Speed Control (ISC) Motor. The ISC motor
is NOT mechanically adjustable. If Controlled Idle Speed is incorrect, begin diagnosis at Computers and Control Systems / System Diagnosis / Flow
of Diagnosis.