Idle Speed Test: Notes
WARNING:
After testing operation of Idle Speed Actuator (ISA) motor or if motor has been replaced, always extend actuator before starting engine to prevent ISA motor from jamming.
NOTE:
The following test must be performed using ISA Exerciser (7088). If ISA motor is tested off vehicle, ISA motor shaft must be lightly preloaded to avoid jamming during test. Use light finger pressure to preload ISA motor shaft and simulate throttle return pressure.