Operation CHARM: Car repair manuals for everyone.

How to Disable Electrical System



Turning Off and On 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 to LOCK (0), then remove the key from the ignition switch.

2. Remove the rear seat-back.





3. Remove the battery module switch lid from the IPU cover.





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



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

6. Remove the IPU lid.