HYBRID/TROUBLE SHOOTING
3–632
DTC: P0A78 (TC13)
EN01H03ZZZ030602004050
DTC: P0A78 (TC13) Abnormality in inverter system
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
•
Detected an abnormality in the inverter (excessively low DC voltage).
2.
DTC set condition
(1)
DTC detection condition
•
Control power supply voltage is 8 V or more.
•
Inverter start signal is ON.
•
Since the engine starts, 10 seconds or more have passed.
•
SMR#2-side control signal is ON.
•
SMR#3-side control signal is ON.
•
Since the SMR#3 side is turned ON, 260 seconds or more have passed.
•
SMR#1-side control signal is ON.
(2)
Judgement criteria
•
The state in which the inverter DC voltage is less than 100 V is detected continuously for 0.2 second.
3.
Reset condition
•
When the abnormality is not confirmed, the state in which the inverter DC voltage is 100 V or more is detected con-
tinuously for 0.4 second.
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
SHTS03ZZZ0300406
