DTC P3000-388: Battery Control System: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / EV / Trouble Codes.
4. Check if DTCs related to the EV control system are output.

   Result

   Result	Proceed to
   P3000-388 or P3000-389 and P307F-123 are output simultaneously.	A
   Except above.	B

   HINT: 

   When DTCs P3000-388 or P3000-389 are output, P307F-123 is always output at the same time.

5. Turn the power switch off.

B → See step   3 

A: Go to next step 

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Enter the following menus: Powertrain / EV Battery / Trouble Codes.
4. Check if DTCs related to the EV battery system are output.

   Result

   Result	Proceed to
   DTCs related to EV Battery are not output.	A
   DTCs related to EV Battery are output.	B

5. Turn the power switch off.

   HINT: 

   If no DTCs are output, the EV battery can be restored by performing normal charging, but if P307F-123 is output, normal charging cannot be performed. Follow the indicated procedure to perform No. 1 - No. 2 battery voltage difference inspection, clear the battery pack malf fail-safe driving history, and then perform normal charging.

B → See step   5 

A → See step   4