DTC P3000-603: 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
   Only two DTCs of P3000-603 and P307F-123 are output.	A
   DTCs other than P3000-603 and P307F-123 are output.	B

   HINT: 

   If DTC P3000-603 is stored, P307F-123 is also stored.

5. Turn the power switch off.

B → See step   4 

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

B → See step   5 

A: Go to next step 

1. Even though it has been determined that the power management control ECU needs to be replaced, make sure to inspect the voltage difference between No. 1 EV battery and No. 2 EV battery before replacing it.

NEXT → See step   6