DESCRIPTION The hybrid
vehicle control ECU monitors the system internal operation and will
store a DTC and perform fail-safe control if it detects the following
malfunction.
DTC No. | Detection Item |
DTC Detection Condition | Trouble Area |
MIL | Warning Indicate |
P0C3000 | Hybrid/EV Battery State of Charge High |
Charging prohibited Charging
of the HV battery continues even after charging is prohibited when the
hybrid system is malfunctioning and "Hybrid Battery SOC" has reached the
upper limit. (1 trip detection logic) |
Hybrid vehicle control ECU |
Does not come on | Master Warning Light:
Comes on | Related Data List
DTC No. | Data List |
P0C3000 |
- Hybrid Battery SOC
- WIN Control Limit Power
- Hybrid Battery Current
| 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
- Connect the Techstream to the DLC3.
- Turn the power switch on (IG) and turn the Techstream on.
- Clear the DTCs (even if no DTCs are stored, perform the clear DTC procedure).
- Turn the power switch off and wait for 2 minutes or more.
- Turn the power switch on (IG) and turn the Techstream on.
- Apply the parking brake and secure the wheels using chocks.
- Fully apply the parking brake and chock all 4 wheels. Firmly depress the
brake pedal, turn the power switch on (READY) and with the shift lever
in D. Depress the accelerator pedal to start the engine and increase the
engine speed. This will cause the "Hybrid Battery SOC" to increase.
If the charge current drops, release the accelerator pedal and then depress it again to maintain charging.
- Select "WIN Control Limit Power" in the Data List and check that charging stops when "WIN Control Limit Power" reaches 0 kW.
- Check that charging stops when the Data List item "Hybrid Battery SOC" reaches the upper limit.
- Enter the following menus: Powertrain / Hybrid Control / Utility / All Readiness.
- Check the DTC judgment result.
HINT:
- If the judgment result shows NORMAL, the system is normal.
- If the judgment result shows ABNORMAL, the system has a malfunction.
- If the judgment result shows INCOMPLETE or N/A, perform driving pattern again.
PROCEDURE
1. | CHECK DTC OUTPUT (HYBRID CONTROL) |
(a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG).
(c) Enter the following menus: Powertrain / Hybrid Control / Trouble Codes.
(d) Check for DTCs. Powertrain > Hybrid Control > Trouble Codes
Result | Proceed to |
P0C3000 only is output. |
A | DTCs except P0C3000 are output. |
B | (e) Turn the power switch off.
A |
| REPLACE HYBRID VEHICLE CONTROL ECU |
B |
| GO TO DTC CHART (HYBRID CONTROL SYSTEM) | |