First assume your PR card is still valid ? Assume the 3 years / 2 days is counted from the date you first landed ?
Nobody here can predict what may or may not happen at the border. You may or or may not be asked how long you have been away but always be honest with CBSA and you may be lucky that the officer in front of you just lectures you about the residency obligation. Once in the country you need to stay put for 2 years minimum without leaving at all and not apply to renew your PR card in that time.
