take a look here for CA-R-PI.131 connector
http://www.service.pioneer-eur.com/peeservice/instrmanuals.nsf/0/98C26B508040CC4FC1256FA40031F72F/$File/CA-R-PI.131.pdf
and here for CA-R-PI.133
http://www.service.pioneer-eur.com/peeservice/instrmanuals.nsf/0/49B2C97C3191666DC12571B10024D989/$File/CA-R-PI.133.pdf
you can see yours connectors...i hope...