If you are in Malaysia then you can seek assistance as an Australian citizen. The Australian High Commission in Malaysia is located in the capital city of Kuala Lumpur and can assist you if you have been involved in an accident or have been arrested. They provide consular services for all Australians who find themselves in Malaysia.
The Australian Embassy in Thailand is located in Bangkok. You can now also contact the embassy in Bangkok for assistance and direction with regards to applying for a marriage visa, Australian tourist visa or applying for a new passport. You can also contact the Australian Embassy in Thailand for consular assistance if you have been arrested or you have been involved in an accident.