HYBRID/TROUBLE SHOOTING
3–645
DTC: P0A78 (TC14)
EN01H03ZZZ030602004051
DTC: P0A78 (TC14) Abnormality in inverter system
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
•
Detected an abnormality in the inverter (excessively high DC voltage).
2.
DTC set condition
(1)
DTC detection condition
•
Control power supply voltage is 8 V or more.
•
Inverter start signal is ON.
(2)
Judgement criteria
•
"Over voltage signal from the drive circuit ON (DC voltage)
≥
typ.439 V" is detected continuously for 0.07 sec-
ond.
3.
Reset condition
•
The following condition continues for 0.14 second:
- When the abnormality is not confirmed, over voltage signal from the drive circuit ON is not detected.
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
•
HV warning light: ON
Inverter
High voltage J/B
High voltage J/B
D
38
39
40
CON3-38 CON1
CON4-39 CON2
CON4-40 CON3
F-
F+
15
2
3
4
SMR1
SMR2
SMR3
HV Battery 288 V
Service plug
D
D
P
l
m
p
J/B (+)
k
n
q
J/B (-)
P
P
P
SHTS03ZZZ0300417