Nissan Figaro Replacement of Idle Up Solenoid Valve of IAA Unit
- 2021.04.04
- Figaro, IAA Unit, Nissan, Replacement, Solenoid valve
I have overhauled the IAA unit several times, but when the electrical load increases, the idle up becomes unsuccessful. I got a valve at an online auction and came today, so I replaced it immediately. By the way, the IAA unit is an abbreviation for idle auto adjust unit and is an automatic idling adjustment device. Today’s cars do various things with one AAC valve, but Figaro has a configuration that makes you feel the transition period of the era of shifting from carburetors with three adjustment devices to injection. Immediately after starting, the air regulator is also involved, so it is a problem that there are many parts and many parts are fragile. For the time being, incorporate and adjust. The green circle is the basic idling adjustment screw. The red is the air flow rate adjustment screw of the idle-up solenoid valve corresponding to the electric load changed this time. Yellow is the air flow rate adjustment screw for the FICD (First Idle Control Device) solenoid valve that supports air conditioner loads. By the way, the method is to close the red and yellow circle screws with the lights and other electrical equipment off and the air conditioner […]