try downloading this keyword..
1-EWD398F YARIS VERSO ECHO VERSO ELECTRICAL WIRING DIAGRAM
2-RM726E YARIS VERSO ECHO VERSO REPAIR MANUAL FOR CHASSIS AND BODY
3- RM910E YARIS ECHO REPAIR MANUAL SUPPLEMENT FOR CHASSIS AND BODY
These are all the manuals you will need... They are bigger in size or else I would have mailed these to you...