HYBRID/TROUBLE SHOOTING
3–177
DTC: P0A85 (TC65)
EN01H03ZZZ030602003026
DTC: P0A85 (TC65) Abnormality in HV battery cooling fan drive signal High
INFORMATION
1.
Technical description
•
–
<Description of malfunction>
•
Detected a power supply (positive side) short circuit in the HV battery cooling fan drive signal circuit.
2.
DTC set condition
(1)
DTC detection condition
<Condition A>
•
The starter key is set to the ON position.
•
The control power supply voltage is 8 V or more.
•
HV ECU runs within 0.5 second.
<Condition B>
•
The starter key is set to the ON position.
•
The control power supply voltage is 10 V or more.
(2)
Judgement criteria
•
When one of the following conditions is met:
<Condition A>
Input signal for monitoring HV battery cooling fan drive signal remains higher than 3.6 V for 0.1 second or
more.
<Condition B>
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 higher than 3.6 V.
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
SHTS03ZZZ0300119