Checked wiring harness for groundFirst check the WHITE wire for GROUND with a DVOM, with the key out of the ign. and then with the key on.
With a wire stripped at both ends, one end at one of the seat bolts and the other to the GREEN wire.
The short answer to my lengthy post is there is good ground on the white wire but no ground on the green wire with or without key in ignition.I assumed you knew what I posted. Only the GREEN wire is in play along with the WHITE wire which supplies GROUND to the entire memory switch.
The others wires are are not important as their features work.
Go to the right front seat and compare findings with the left seat.
HelloBut you have to move the switch to the backrest position.