Infiniti I30 (A33). Manual — part 518
Wiring Diagram — A/C, A —
NHHA0174
MHA915A
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Wiring Diagram — A/C, A —
HA-31
MHA916A
TROUBLE DIAGNOSES
Wiring Diagram — A/C, A — (Cont’d)
HA-32
MHA032B
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
SC
EL
IDX
TROUBLE DIAGNOSES
Wiring Diagram — A/C, A — (Cont’d)
HA-33
RHA940H
Auto Amp. Terminals and Reference Value
NHHA0175
INSPECTION OF AUTO AMP.
NHHA0175S01
I
Measure voltage between each terminal and body ground by
following “AUTO AMP. INSPECTION TABLE”.
I
Pin connector terminal layout
RHA501GC
AUTO AMP. INSPECTION TABLE
NHHA0175S02
TERMINAL
NO.
ITEM
CONDITION
Voltage
V
1
Intake sensor
—
—
2
Ambient sensor
—
—
3
In-vehicle sensor
—
—
8
ECM COMP
Compressor ON
Approximately 0
Compressor OFF
Approximately 4.6
11
Sensor ground
—
Approximately 0
12
Sunload sensor
—
—
13
Thermal transmitter
Engine coolant
temperature
Approximately 40°C (104°F)
Approximately 10.8
Approximately 55°C (131°F)
Approximately 9.9
Approximately 60°C (140°F)
Approximately 9.5
14
Ground (for Canada)
—
Approximately 0
16
A/C LAN signal
—
—
21
Power supply for air mix door
motor, mode door motor and
intake door motor
—
Approximately 12
22
Compressor ON signal
Compressor
ON
Approximately 0
OFF
Approximately 4.6
26
Power supply for BAT
—
BATTERY VOLTAGE
TROUBLE DIAGNOSES
Auto Amp. Terminals and Reference Value
HA-34
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