He's apparently on a plane for a seat fitting as of Monday.
http://en.espnf1.com/f1/motorsport/story/9871.html
He's a racer, he wants to race.
But really, if JV had sponsorship money behind him he'd still be in Nascar.
Stefan has Kazoo money behind them, despite Toyota being gone if I recall Kazoo has considerable Toyota money behind him.
Only reason they'd be pulling in JV is for testing feedback and name value.
When the BAR wasn't exploding he was apparently excellent at giving feedback to improve the car.
2006 Edmonton Indy - Heatstroke
2007 Vegas Grand Prix - Fremont awesomeness
2010 Montreal Grand Prix - Section 11!
2011 Edmonton Indy - Mudfest
2012 Nascar Autoclub 400 - Convinced I attract rain....
2016 Spa & Monza. Ya baby!