HYBRID/TROUBLE SHOOTING
3–764
DTC: P0BEF (TC9C)
EN01H03ZZZ030602004071
DTC: P0BEF (TC9C) W-phase current sensor Low abnormality
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
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Detected an abnormality (out-of-range Low) in the motor W-phase current sensor.
2.
DTC set condition
(1)
DTC detection condition
•
Control power supply voltage is 8 V or more.
•
Inverter start signal is ON.
•
Three-phase ON control request flag = OFF
(2)
Judgement criteria
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The state in which W-phase input voltage (low resolution Ach or Bch) is less than 0.29 V is detected continu-
ously for 0.06 second for each ch.
3.
Reset condition
•
The state in which W-phase input voltage (low resolution Ach or Bch) is 0.29 V or more and 4.71 V or less is
detected continuously for 0.2 second for each ch.
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
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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 is not available.
•
The regeneration function stops, reducing 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
•
Malfunction of inverter
