How to Disable Electrical System

Turning off and on power to the high voltage circuit

Follow this procedure before you work on or near any high voltage components. Follow it exactly, otherwise, you may injure yourself or damage equipment.

1. Turn the ignition switch to LOCK (0), then remove the key from the ignition switch.

2. Remove the cargo floor lid, the cargo floor box, and the spare tire.





3. Loosen the bolt (A), and remove the bolt (B).

4. Remove the battery module switch lid (C) from the IPU cover.





5. Turn the battery module switch (A) OFF, then check that the bolt (B) is showing.

6. Wait at least 5 minutes to allow the PDU capacitors to discharge.

7. Remove the IPU cover.





8. Measure the voltage at the IMA battery module terminals (A). There should be less than 30 Volts. If the voltage is more than 30 Volts, there is a problem in the system, check for IMA DTCs before continuing.

9. After service or repairs are completed:
- Make sure all high voltage circuits are connected properly.
- Install the IPU cover.





10. Push the button (A), and turn the battery module switch ON.

11. Reinstall all remaining removed parts.