I drive a 2012 Civic LX with 165k miles and my throttle body is far overdue for a good cleaning.

Since this is an electronic throttle body, is this a sufficient way of cleaning it?

1. Disconnect negative battery terminal
2. Move airbox out of the way and remove air intake boot from throttle body
3. Clean the throttle body with TB cleaner (I've also heard Lucas FI cleaner works) on a rag
4. Let the TB dry and reconnect airbox / intake boot
5. Re-connect negative terminal
6. Turn on the car and wait 15-20 minutes to relearn idle

Also, if the negative terminal is removed, how possible is it for the "de-icing myth" to occur (the TB plate chops my finger off)? Has this actually ever happened or is it more of a cover-their-*** thing from manufacturers?

I've heard some stories about people having issues with the TPS after cleaning their throttle bodies so I'm hoping to do it right.

Thanks