I would like to know if AppleCare+ will cover the keyboard cracked?

Hi,

According to Apple Care FAQ, keyboard key caps are not covered by Apple Care.

https://www.apple.com/support/products/pdf/AppleCare_PP_FAQ-c0601.pdf

It should be covered.

Try to contact Apple support to ask if it's covered or not.

https://support.apple.com/en-us/HT201232

It should be covered. However, if it is deemed not to be a manufacturing defect, then depending on what needs to be replaced, you may be charged (at a reduced rate) for the repair.

Also try following site if it determines if it's covered by the Apple Care.

https://checkcoverage.apple.com/jp/en

Hi,

First of all, you need to check your service and support coverage to purchase AppleCare.

https://checkcoverage.apple.com/jp/en/