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) |
| Does not come on | Master Warning Light: Comes on |
DTC No. | Data List |
---|---|
P0C3000 |
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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.
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If the charge current drops, release the accelerator pedal and then depress it again to maintain charging.
HINT:
WIRING DIAGRAM
Refer to the wiring diagram for DTC P0ABF11.
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CAUTION / NOTICE / HINT
CAUTION:
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HINT:
Waiting for at least 10 minutes is required to discharge the high-voltage capacitor inside the inverter with converter assembly.
*a | Without waiting for 10 minutes |
NOTICE:
After turning the power switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.
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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.
B | GO TO DTC CHART (HYBRID CONTROL SYSTEM) |
|
2. | CHECK BATTERY VOLTAGE SENSOR (IGCT VOLTAGE) |
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NG | REPAIR OR REPLACE HARNESS OR CONNECTOR (BATTERY VOLTAGE SENSOR POWER SOURCE CIRCUIT) |
|
3. | CHECK HARNESS AND CONNECTOR (BATTERY VOLTAGE SENSOR - HV BATTERY JUNCTION BLOCK ASSEMBLY) |
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NG | REPLACE HYBRID BATTERY THERMISTOR |
|
4. | CHECK BATTERY VOLTAGE SENSOR (VIB VOLTAGE) |
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NG | GO TO STEP 7 |
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5. | CHECK BATTERY VOLTAGE SENSOR (GIB - GND) |
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NG | REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY |
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6. | CHECK HYBRID VEHICLE CONTROL ECU (HYBRID BATTERY CURRENT) |
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
NOTICE:
During the inspection, make sure to only turn the power switch on (IG). Do not turn the power switch on (READY).
(c) Enter the following menus: Powertrain / Hybrid Control / Data List / Hybrid Battery Current, Hybrid Battery Current for Hybrid Battery Control.
Powertrain > Hybrid Control > Data List Tester Display |
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Hybrid Battery Current |
Hybrid Battery Current for Hybrid Battery Control |
(d) With the power switch on (IG), monitor Data List item "Hybrid Battery Current" and "Hybrid Battery Current for Hybrid Battery Control" for 1 minute.
Result | Proceed to |
---|---|
The value of Data List item "Hybrid Battery Current" and "Hybrid Battery Current for Hybrid Battery Control" is -0.5 A or less or 0.5 A or more. | A |
Other than above | B |
(e) Turn the power switch off.
A | REPLACE BATTERY VOLTAGE SENSOR |
B | REPLACE HYBRID VEHICLE CONTROL ECU |
7. | CHECK BATTERY VOLTAGE SENSOR (VIB VOLTAGE) |
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OK | REPLACE HV BATTERY JUNCTION BLOCK ASSEMBLY |
NG | REPLACE BATTERY VOLTAGE SENSOR |