When your web browser or the ProxySG appliance is configured to use only SSLv3, access to https://www.toyota.co.jp/ might fail.

At the time of this writing, https://www.toyota.co.jp/ no longer seems to accept SSLv3 clients.

Ensure that your browser and ProxySG appliance are configured to support TLSv1 and above.

On the ProxySG appliance, ensure at least TLSv1 is selected in the Management Console (Configuration > SSL > SSL Client > SSL Versions).