Ummmm ... It's all in the same place: CAO 40.2.1
Appendix III "Syllabus of Training for the Instrument Rating"
Section 1.4 "The written examination will be based on the aeronautical knowledge syllabus detailed in subsections of this Appendix."
So you can either get a paper copy of it, or download it from:
http://casa.gov.au/rules/orders/040.htm