I am not sure how to fix your code without making lengthy changes but, I can give you an idea.
In my code I had two sets of variables. The first set, was constant and they defined what byte contained the information I wanted such as: RPM, Engine Temperature, Throttle Position, etc.
The second set of variables, contained the results of the bytes. For instance, I used lower case letters to tell the difference between the two sets. Below would be an example.
rpm = byte result RPM
temperature = byte result Engine Temperature
throttle = byte result Throttle Position
I want to help you with your array problems but, they are not my strength. You may have to practice using arrays in a separate code for testing, and ask for help in the programming problems section.