DTC P3000-388: HV Battery Malfunction: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the power switch on (IG).
3. Select the following menu items: Powertrain / Hybrid Control / Trouble Codes.
4. Check if DTCs are output.

   Result

   Result	Proceed to
   P3000-388 or P3000-389 only is output.	A
   DTCs other than P3000-388 and P3000-389 are also output.	B

B → See step   5 

A: Go to next step 

1. Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.
2. Check if DTCs are output.

   Result

   Result	Proceed to
   No DTCs are output.	A
   DTCs are output.	B

B → See step   6 

A: Go to next step 

1. Turn the power switch on (IG).
2. Check the amount of fuel by referring to the fuel gauge in the meter.

   Result

   Result	Proceed to
   Adequate amount of fuel is in the tank.	A
   There is no fuel in the tank.	B

   HINT: 

   Add fuel until the low fuel level warning light turns off.

B → REFUEL VEHICLE 

A: Go to next step 

1. Turn the power switch on (READY).
2. Check if the engine starts.

   HINT: 

   • Depressing the accelerator pedal with the shift lever in the P position will cause the engine to start.
   • Turning the power switch on (READY) and off repeatedly while the SOC is low may cause the SOC to drop further, resulting in DTC P3000-389 being set. Charge the HV battery using the THS charger as necessary.
   • Cranking the engine once causes the SOC to drop approximately 1%.
   • Charging the HV battery once (10 minutes) using the THS charger restores the SOC approximately 2%.

   Result

   Result	Proceed to
   The engine starts.	A
   The engine does not start.	B

B → CHARGE HV BATTERY (CHECK THAT ENGINE STARTS) 

A → LEAVE VEHICLE IN P POSITION, AND CHARGE HV BATTERY IN IDLE STATUS UNTIL IDLING STOPS