As nice as the parameter descriptions are, there are some they just don't describe enough for novices. The following are a few that I am just not exactly understand what they are controlling.
{B4307} Desired Airflow
This parameter is based upon ECT. As the engine warms up this table appears to let more air during idle into the engine and decrease it as it warms up. On a C5 this is based upon the throttle blade angle being dercreased....right? Also once this parameter is fully warmed up what controls that final throttle blade opening?
{B4308} Airflow Parked
When the IAC motor is in the park position this is the required airflow.
The IAC will be moved to the park position in situations like engine shutdown and key on. What determines the "park position? No IAC on a C5......why is it still referenced as such in the software? I guess the throttle blade has a tough job to control idle and not let the motor get too much air and raise the rpms.
{B4309} Throttle cracker air flow in gear
What is the throttle cracker function? When does it kick in and when should be adjusted?
{B4313} Throttle cracker decay rate
Does this control the rate in which at throttle returns back to idle after the throttle is released? For example; if you had a car that when you pushed the clutch in,after cruising, the idle would hang for a bit before returning to idle. Does this work for this?
{B4315} Throttle follower airflow as well as the decay for the same.
Any insight would be appreciated!
Thanks
Howard