If your key does not turn in the ignition and you have a known good battery, more than likely your EIS or electronic ignition switch has failed. This will be something that you will have to have replaced at a dealer.
Jan 29, 2009 at 10:31 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.