Infiniti G37 Coupe. Manual — part 782
ECM
HAC-117
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
: Average voltage for pulse signal (Actual pulse signal can be confirmed by oscilloscope.)
110
(R)
128
(B)
Engine speed output sig-
nal
Output
[Engine is running]
• Warm-up condition
• Idle speed
NOTE:
The pulse cycle changes depending on
rpm at idle
1V
[Engine is running]
• Engine speed is 2,000 rpm
1V
111
(O)
116
(P)
Sensor power supply
(Refrigerant pressure
sensor)
—
[Ignition switch: ON]
5V
112
(SB)
—
Sensor ground
(EVAP control system
pressure sensor)
—
—
—
113
(P)
—
CAN communication line
Input/
Output
—
—
114
(L)
—
CAN communication line
Input/
Output
—
—
116
(P)
—
Sensor ground
(Refrigerant pressure
sensor)
—
—
—
117
(V)
128
(B)
Data link connector
Input/
Output
[Ignition switch: ON]
• GST: Disconnected
5V - BATTERY VOLTAGE (11 -
14V)
121
(LG)
128
(B)
EVAP canister vent con-
trol valve
Output
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
122
(P)
128
(B)
Stop lamp switch
Input
[Ignition switch: OFF]
• Brake pedal: Fully released
0V
[Ignition switch: OFF]
• Brake pedal: Slightly depressed
BATTERY VOLTAGE
(11 - 14V)
123
(B)
124
(B)
—
ECM ground
—
—
—
125
(R)
128
(B)
Power supply for ECM
Input
[Ignition switch: ON]
BATTERY VOLTAGE
(11 - 14V)
126
(BR)
128
(B)
ICC brake switch (mod-
els with ICC system)
ASCD brake switch
(models with ASCD sys-
tem)
Input
[Ignition switch: ON]
• Brake pedal: Slightly depressed
0V
[Ignition switch: ON]
• Brake pedal: Fully released
BATTERY VOLTAGE
(11 - 14V)
127
(B)
128
(B)
—
ECM ground
—
—
—
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
-–
Signal name
Input/
Output
JMBIA0076GB
JMBIA0077GB
HAC-118
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
ECM
*1: This may vary depending on internal resistance of the tester.
**2: Before measuring the terminal voltage, confirm that the battery is fully charged. Refer to
.
AUTO AMP.
HAC-119
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
AUTO AMP.
Reference Value
INFOID:0000000001675737
TERMINAL LAYOUT
PHYSICAL VALUES
JSIIA0097ZZ
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
38
(L)
Ground
Blower motor control signal
Output
• Ignition switch ON
• Blower speed: 1st speed
(manual)
41
(V)
Ground
Power supply from ACC
—
Ignition switch ACC
Battery voltage
43
(R)
Ground
Intake sensor
Input
—
—
44
(LG)
Ground
In-vehicle sensor
Input
—
—
45
(P)
Ground
Ambient sensor
Input
—
—
46
(O)
Ground
Sunload sensor
Input
—
—
53
(G)
Ground
Power supply from IGN
—
Ignition switch ON
Battery voltage
54
(Y)
Ground
Power supply from BAT
—
Ignition switch OFF
Battery voltage
55
(B)
Ground
Ground
—
Ignition switch ON
0 V
59
(GR)
Ground
Intake sensor ground
—
—
0 V
60
(L)
Ground
In-vehicle sensor ground
—
Ignition switch ON
0 V
61
(BR)
Ground
Ambient sensor ground
—
Ignition switch ON
0 V
62
(SB)
Ground
Sunload sensor ground
—
Ignition switch ON
0 V
JSIIA0096ZZ
HAC-120
< ECU DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
AUTO AMP.
65
(O)
Ground
ECV (Electrical Control
Valve) signal
Output
• Ignition switch ON
• Self-diagnosis. STEP-4
(Code No. 45)
69
(L)
Ground
A/C LAN signal
Input/
Output
Ignition switch ON
70
(R)
Ground
Power supply for each door
motor
Output
Ignition switch ON
Battery voltage
71
(B)
Ground
Ground
—
Ignition switch ON
0 V
Terminal No.
(Wire color)
Description
Condition
Value
(Approx.)
+
−
Signal name
Input/
Output
SJIA1607E
SJIA1453J
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст