HYBRID/TROUBLE SHOOTING
3–164
DTC: P0A84 (TC66)
EN01H03ZZZ030602003025
DTC: P0A84 (TC66) Abnormality in HV battery cooling fan drive signal Low
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
•
Detected a disconnection or GND short circuit in the HV battery cooling fan drive 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 HV battery ECU start relay is ON.
(2)
Judgement criteria
•
The following conditions are met continuously for 0.5 second or more:
Input signal for monitoring HV battery cooling fan drive signal is 0 Hz.
Input signal for monitoring HV battery cooling fan drive signal is less than 0.2V.
3.
Reset condition
•
Input signal for monitoring HV battery cooling fan drive signal remains at 1 Hz or more for 5 seconds or more.
4.
Indication, warning or system control regulation when the DTC is set.
•
MIL: ON
•
HV warning light: ON
HV ECU
HV battery
starter relay
HV battery
cooling fan
PCI_B_20A
R
M
R
P
N
N
N
X
N
I
H
P
P
P
R
R
9
2
5
1
1
3
3
4
1
2
28
I
44
74
12
11
15
SHTS03ZZZ0300110