Nissan Altima HL32 Hybrid. Manual - part 521
HV ECU
HAC-105
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
56
Ground
W
Compressor inverter
communication
—
[Ignition switch: READY]
The wave form will vary depend-
ing on the content of the digital
communication (digital signal).
60
Ground
P
Power supply for PNP
switch
—
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
77
Ground
L/B
HV battery assembly
(SMRP operation signal)
—
[Ignition switch: ON to READY]
82
Ground
G/B
Back up lamp relay
Output
[Ignition switch: ON]
• Shift position: R
0 - 1.5V
[Ignition switch: ON]
• Shift position: Except above
BATTERY VOLTAGE
(11 - 14V)
94
Ground GR/R
MG ECU communication
(Interlock switch signal)
Input
[Ignition switch: ON]
• Service plug grip: Connect
0 - 1.5V
[Ignition switch: ON]
• Service plug grip: Disconnect
BATTERY VOLTAGE
(11 - 14V)
100
Ground
L
ECM
(PHASE signal)
Input
[Engine is running]
• Idle speed
NOTE:
The pulse cycle changes de-
pending on rpm at idle.
The pulse cycle becomes short-
er as the engine speed in-
creased.
101
Ground
P
ECM
(POS signal)
Input
[Engine is running]
• Idle speed
The pulse cycle becomes short-
er as the engine speed in-
creased.
Terminal No.
Wire
color
Description
Condition
Value
(Approx.)
+
–
Signal name
Input/
Output
JMCIA0006GB
JMCIA0007GB
JMCIA0008GB
JMCIA0009GB