HYBRID/TROUBLE SHOOTING
3–306
DTC: P314C (TC82)
EN01H03ZZZ030602003046
DTC: P314C (TC82) Abnormality in HV water pump revolution number signal Low
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
•
Detected a GND short circuit in the HV water pump revolution number signal circuit.
2.
DTC set condition
(1)
DTC detection condition
•
The starter key is set to the ON position.
•
The control power supply voltage is 10 V or more.
•
The output of inverter start relay is ON.
(2)
Judgement criteria
•
The following conditions are met continuously for 1 second or more:
- The HV water pump revolution number signal is 0 Hz.
- The HV water pump revolution number signal is OFF.
3.
Reset condition
•
The HV water pump revolution number signal remains higher than 1 Hz for 5 seconds or more.
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
•
HV warning light: ON
5.
Symptoms on the vehicle when the DTC is set
<Symptoms on the vehicle due to backup control (fail safe)>
•
–
<Symptoms on the vehicle due to malfunction>
•
–
6.
Pre-inspection work
•
Check the battery voltage to make sure that there is no abnormality.
HV ECU
Inverter
starter relay
PCI_B_2 20
F
F
F
M
F
L
L
L
X
L
I
H
2
2
5
1
3
3
3
4
1
27
76
I
43
Inverter
coolant pump
SHTS03ZZZ0300206