Infiniti G37 Coupe. Manual — part 756
INSPECTION AND ADJUSTMENT
HAC-13
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
3.
Press mode switch as desired.
When battery cable is disconnected or battery voltage is below 10 V, trimmer operation is canceled. Wind dis-
tribution ratio set becomes that of initial condition.
WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL
SYSTEM : Inlet Port Memory Function
INFOID:0000000001733715
DESCRIPTION
When ignition switch is turned from OFF to ON, inlet port can be set to AUTO or manual.
Operating procedures for this trimmer are as per the following:
1.
Begin self-diagnosis STEP-5 mode. Refer to
HAC-48, "WITH LEFT AND RIGHT VENTILATION TEM-
PERATURE SEPARATELY CONTROL SYSTEM : Diagnosis Description"
2.
Press fan (UP:+) switch to set system in auxiliary mode.
3.
Press intake switch as desired.
When battery cable is disconnected or battery voltage is below 10 V, memory function is canceled. Memory
function set becomes that of initial condition.
JSIIA0864GB
LED status of
FRE position
LED status of
REC position
Setting status
Setting changeover
method
FRE
REC
OFF
ON
AUTO control (Initial setting)
Manual REC status is memorized.
(Initial setting)
Intake switch: ON
ON
ON
Manual FRE status is memorized.
Manual REC status is memorized.
ON
OFF
Manual FRE status is memorized.
AUTO control
OFF
OFF
AUTO control
AUTO control
HAC-14
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
COMPRESSOR CONTROL FUNCTION
FUNCTION DIAGNOSIS
COMPRESSOR CONTROL FUNCTION
WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY
CONTROL SYSTEM
WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
TROL SYSTEM : Description
INFOID:0000000001675665
PRINCIPLE OF OPERATION
Compressor is not activated.
Functional circuit diagram
Functional initial inspection chart
WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
TROL SYSTEM : Fail-Safe
INFOID:0000000001675666
FAIL-SAFE FUNCTION
• If a communication error exists between the unified meter and A/C amp., and the AV control unit and preset
switch for 30 seconds or longer, air conditioner is controlled under the following conditions:
CAN(1) : A/C signal
CAN(2) : Compressor request signal
JSIIA0765GB
Location
A
B
C
D
CONSULT-III
ECM DATA MONITOR
Yes
Yes
IPDM E/R DATA MONITOR
Yes
AUTO ACTIVE TEST
Yes
Self-diagnosis function (except CAN diagnosis)
Yes
COMPRESSOR CONTROL FUNCTION
HAC-15
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
WITHOUT LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CON-
TROL SYSTEM : Component Part Location
INFOID:0000000001675667
ENGINE COMPARTMENT
Compressor
: ON
Air outlet
: AUTO
Air inlet
: FRE (Fresh)
Blower fan speed
: AUTO
Set temperature
: Setting before communication error occurs
Display
: OFF
HAC-16
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
COMPRESSOR CONTROL FUNCTION
PASSENGER COMPARTMENT
1.
Refrigerant pressure sensor
2.
Ambient sensor
3.
Compressor (magnet clutch)
4.
Compressor (ECV)
JSIIA0746ZZ
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