1. Pull the service plug to shut down the high voltage supplied to the high voltage system (Refer to 
). 2. Check that the service plug is not damaged. If damaged, the service plug must be replaced.
3. Check the continuity between high voltage terminals of the service plug.
4. Check the continuity between the service plug terminals for the service plug switch.
5. If there is no continuity at high voltage terminals or terminals for service plug switch, replace the service plug.
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