DESCRIPTION
The battery ECU assembly alerts the driver and performs fail-safe control based on malfunction signals. If the SOC drops due to running out of fuel, the vehicle being left with the shift lever in N for a long time or a hybrid control system malfunction, this DTC will be stored.
DTC No. | Detection Item |
DTC Detection Condition |
Trouble Area | MIL |
Warning Indicate | Note |
---|---|---|---|---|---|---|
P300000 | Hybrid/EV Battery Discharge Control Malfunction |
Discharging of the HV battery continues even after discharging is prohibited when the "SOC" has reached the lower limit. (1 trip detection logic) |
| Does not come on |
Master Warning: Does not come on |
SAE Code: P3000 |
CONFIRMATION DRIVING PATTERN
HINT:
After repair has been completed, clear the DTC and then check that the vehicle has returned to normal by performing the following All Readiness check procedure.
Click here
HINT:
CAUTION / NOTICE / HINT
HINT:
PROCEDURE
1. | CHECK DTC OUTPUT (HV BATTERY, HYBRID CONTROL) |
(a) Check for DTCs.
Powertrain > HV Battery > Trouble Codes Powertrain > Hybrid Control > Trouble Codes
Result | Proceed to |
---|---|
"P300000 or P300016" only is output. |
A |
DTCs except "P300000 or P300016" of hybrid battery system are output. |
B |
DTCs except "P300000 or P300016" of hybrid control system are output. |
C |
(b) Turn the ignition switch off.
B | ![]() | GO TO DTC CHART (HYBRID BATTERY SYSTEM) |
C | ![]() | GO TO DTC CHART (HYBRID CONTROL SYSTEM) |
|
2. | CHECK DTC OUTPUT (ENGINE) |
(a) Check for DTCs.
Powertrain > Engine > Trouble Codes
Result | Proceed to |
---|---|
No DTCs are output. |
A |
DTCs are output. |
B |
(b) Turn the ignition switch off.
B | ![]() | GO TO DTC CHART (SFI SYSTEM) |
|
3. | CHECK AMOUNT OF FUEL |
(a) Turn the ignition switch to ON.
(b) Check the amount of fuel by referring to the fuel gauge in the meter.
Result | Proceed to |
---|---|
Proper 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.
(c) Turn the ignition switch off.
B | ![]() | REFUEL VEHICLE |
|
4. | CHECK FREEZE FRAME DATA (SHIFT POSITION) |
(a) Read the freeze frame data item "Shift Position" of DTC P300000.
Powertrain > HV Battery > Trouble Codes Powertrain > HV Battery > DTC(P300000) > Freeze Frame Data
Tester Display |
---|
Shift Position |
NOTICE:
(b) Turn the ignition switch off.
|
5. | CHECK ENGINE START |
(a) Turn the ignition switch to ON (READY).
(b) Check if the engine starts.
HINT:
Result | Proceed to |
---|---|
The engine starts. |
A |
The engine does not start. |
B |
(c) If the engine does not start, turn the ignition switch off.
A | ![]() | LEAVE VEHICLE WITH THE SHIFT LEVER IN P, AND CHARGE HV BATTERY BY IDLING UNTIL IDLING STOPS |
|
6. | CLEAR DTC (HV BATTERY) |
(a) Clear the DTCs and freeze frame data.
Powertrain > HV Battery > Clear DTCs(b) Perform a road test.
NEXT | ![]() |
CHARGE HV BATTERY (a) Charge the HV battery using the THS charger, then check that engine starts. |