Infiniti EX35. Manual — part 904
HAC-12
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONER]
INSPECTION AND ADJUSTMENT
Without rear ventilation
With rear ventilation
If NG, go to trouble diagnosis procedure for
.
If OK, continue the check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and intake door position is at FRE
when the D/F or DEF is selected.
Intake Air
1.
Press intake switch. REC indicator turns ON.
2.
Press intake switch again. FRE indicator turns ON.
3.
Listen for intake door position change. (Slight change of blower sound can be heard.)
If NG, go to trouble diagnosis procedure for
.
If OK, continue the check.
NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and intake door position is at FRE
when the D/F or DEF is selected.
A/C Switch
1.
Press A/C switch.
2.
A/C switch indicator turns ON.
• Confirm that the compressor clutch engages (sound or visual inspection).
If NG, go to trouble diagnosis procedure for
.
If OK, continue the check.
Temperature Decrease
1.
Turn temperature control dial (driver side) counterclockwise until 18
°
C (60
°
F) is displayed.
2.
Check for cool air at discharge air outlets.
JSIIA0866GB
JSIIA0888GB
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
If NG, go to trouble diagnosis procedure for
HAC-134, "Inspection procedure"
If OK, continue the check.
Temperature Increase
1.
Turn temperature control dial (driver side) clockwise until 32
°
C (90
°
F) is displayed.
2.
Check for hot air at discharge air outlets.
If NG, go to trouble diagnosis procedure for
HAC-137, "Inspection procedure"
If OK, continue the check.
Auto Mode
1.
Press AUTO switch.
2.
Display should indicate AUTO.
• Confirm that discharge air and blower speed depend on ambient, in-vehicle, and set temperatures.
If NG, go to trouble diagnosis procedure for
HAC-104, "Diagnosis Procedure"
, then if necessary, trouble diag-
nosis procedure for
.
Go to Incident Simulation Tests in
and perform tests as outlined to simulate driving condi-
tions environment if all operational checks are OK (symptom cannot be duplicated). Refer to
and perform applicable trouble diagnosis procedures if symptom appears.
WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL
SYSTEM : Temperature Setting Trimmer
INFOID:0000000003545565
DESCRIPTION
The trimmer compensates for differences in range of
±
3
°
C (
±
6
°
F) between temperature setting (displayed dig-
itally) and temperature felt by customer.
Operating procedures for this trimmer are as per the following:
1.
Begin self-diagnosis STEP-5 mode. Refer to
HAC-63, "WITH LEFT AND RIGHT VENTILATION TEM-
PERATURE SEPARATELY CONTROL SYSTEM : Diagnosis Description"
2.
Press fan (UP: +) switch to set system in auxiliary mode.
3.
Display shows “61” in auxiliary mechanism. It takes approximately 3 seconds to enable setting operation.
4.
Turn temperature control dial (driver side) as desired. Temperature will change at a rate of 0.5
°
C (1.0
°
F)
each time a dial is turned.
CAUTION:
HAC-14
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONER]
INSPECTION AND ADJUSTMENT
A decimal point is not indicated on the display.
When battery cable is disconnected or battery voltage is below 10 V, trimmer operation is canceled. Tempera-
ture set becomes that of initial condition, i.e. 0
°
C (0
°
F).
WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL
SYSTEM : Foot Position Setting Trimmer
INFOID:0000000003545566
DESCRIPTION
Wind distribution ratio in FOOT mode can be set.
Operating procedures for this trimmer are as per the following:
1.
Begin self-diagnosis STEP-5 mode. Refer to
HAC-63, "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 mode switch as desired.
JSIIA1057GB
INSPECTION AND ADJUSTMENT
HAC-15
< BASIC INSPECTION >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
Without rear ventilation
With rear ventilation
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:0000000003545567
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-63, "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.
JSIIA0864GB
JSIIA0894GB
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