HYBRID/TROUBLE SHOOTING
3–267
DTC: P3001 (TC4B)
EN01H03ZZZ030602003041
DTC: P3001 (TC4B) Abnormality in HV battery line
INFORMATION
1.
Technical description
•
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<Description of malfunction>
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Detected an abnormality in the HV battery voltage detection circuit.
2.
DTC set condition
(1)
DTC detection condition
•
The output of HV battery ECU start relay is ON.
(2)
Judgement criteria
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HV battery ECU CAN received data BTER4 = 1 (voltage detection line abnormality)
3.
Reset condition
•
HV battery ECU CAN received data BTER4 = 0
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: OFF
•
HV warning light: ON
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe)>
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<Symptoms on the vehicle due to malfunction>
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The engine may become unable to start. (Note, however, that vehicles equipped with a starter will be started with
the starter.)
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Idling stop may become unavailable.
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The regeneration function stops, which may reduce the feeling of deceleration during deceleration.
6.
Pre-inspection work
•
Check the battery voltage to make sure that there is no abnormality.
7.
After-inspection work
•
Clear the recorded DTC.
•
Check that no DTC is detected after test-driving the vehicle.
8.
Estimated failure factors
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Malfunction of HV battery system