Operation CHARM: Car repair manuals for everyone.

Mode F12 - Idle Air Control Signal (ISC)







CONDITION:
- Idling after warm-up.
- A/C is turned OFF.
- Radiator fan is not in operation.
- Battery voltage is above 13 volts.
- Vehicle is at sea level. (Not high altitudes)

SPECIFIED DATA:
25 - 40 %