Nissan Leaf. Manual - part 764
HEAT PUMP CONTROL UNIT
HAC-59
< ECU DIAGNOSIS INFORMATION >
[AUTO A/C (WITH HEAT PUMP)]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
HEAT PUMP CONTROL UNIT
Reference Value
INFOID:0000000010121774
TERMINAL LAYOUT
INPUT/OUTPUT SIGNAL STANDARD
JMIIA2752ZZ
Terminal No.
(Wire color)
Item
Test condition
Standard
+
−
Signal name
Input/
Output
1
(BR)
16
(B)
LIN
Input/
Output
Power switch ON
2
(V)
16
(B)
Compressor discharge refrigerant
temperature signal
Input
• Power switch ON
• When air conditioner is
operating
6
(LG)
16
(B)
Refrigerant channel switching 2
way type valve signal
Output
• Power switch ON
• Heat ON and FULL HOT
operation
9.5 – 13.5 V
• Power switch ON
• A/C ON and FULL COLD
operation
0 – 1 V
7
(W)
16
(B)
Refrigerant channel switching 3
way type valve signal
Output
• Power switch ON
• Heat ON and FULL HOT
operation
9.5 – 13.5 V
• Power switch ON
• A/C ON and FULL COLD
operation
0 – 1 V
8
(B)
16
(B)
Sensor ground
—
Power switch ON
0 – 0.1 V
9
(V)
16
(B)
Battery power supply
Input
Power switch OFF
11 – 14 V
JSIIA1667ZZ
JSIIA1779ZZ