The 2JZGTE VVTi ECU pinouts and Body Loom wiring diagrams have been recently updated to include new information, this includes some additional the Auto (Tiptronic) pinouts and the BG1 connector body loom pins.
ECU Pinouts – http://www.2jzgarage.com/2012/01/supra-2jzgte-vvti-ecu-pinouts-97-8-02/
Body Loom Pinouts –http://www.2jzgarage.com/2012/01/supra-2jzgte-vvti-body-loom-pinouts-97-8-02/