No. Pardons can only be issued for someone who has been convicted of a crime by the Judiciary branch and, according to the Supreme Court, a president cannot issue a pardon for future convictions.
Impeachment and criminal prosecution are separate procedures. Congress can impeach and remove him from office, and then the DOJ can prosecute him criminally.
Could he pardon himself on the way out?
No. Pardons can only be issued for someone who has been convicted of a crime by the Judiciary branch and, according to the Supreme Court, a president cannot issue a pardon for future convictions.
Impeachment and criminal prosecution are separate procedures. Congress can impeach and remove him from office, and then the DOJ can prosecute him criminally.
"No. Pardons can only be issued for someone who has been convicted of a crime by the Judiciary branch".
Sorry this part of your statement is incorrect. Ford pardoned Nixon without a conviction.
Ah, in which case, see Article 2 of the constitution:
Only the next president can pardon him