How to Disable Electrical System

Turning Off Power To The High Voltage Circuit
The following procedure should be performed prior to working on or near any high voltage components. Follow the procedure exactly. Otherwise, you may be injured or may damage equipment.
1. Turn the ignition switch OFF.
2. Remove the rear seat back.





3. Remove the battery module switch lid (A) from the IPU lid, then remove the locking cover (B).





4. Turn the battery module switch (A) OFF, then install the locking cover (B).
5. Wait at least 5 minutes to allow the PDU capacitors to discharge.
6. Remove the IPU lid.





7. Measure voltage et the junction board terminals (A). There should be 30 V or less. If more than 30 V is present, there is a problem in the circuit; do the DTC troubleshooting first.