Infiniti G35 (V35) Sedan. Manual — part 770
HAC-52
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
DIAGNOSIS SYSTEM (AUTO AMP.)
Does code No. 20 appear on the display?
YES
>> GO TO 3.
NO
>> GO TO 11.
3.
STEP-3: MODE DOOR AND INTAKE DOOR POSITIONS ARE CHECKED
Turn temperature control dial (driver side) clockwise.
Does code No. 30 appear on the display?
YES
>> GO TO 4.
NO
>> GO TO 12.
4.
STEP-4: OPERATION OF EACH DOOR MOTOR IS CHECKED
1.
Turn temperature control dial (driver side) clockwise.
2.
Press
(DEF) switch. Code No. of each door motor test is
indicated on the display.
>> GO TO 5.
5.
CHECK ACTUATORS
Refer to the following chart and check discharge air flow, air temperature, blower motor duty ratio and com-
pressor operation.
Without rear ventilation
SJIA1778E
SJIA1779E
SJIA1780E
JSIIA0111GB
DIAGNOSIS SYSTEM (AUTO AMP.)
HAC-53
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
With rear ventilation
Checks must be made visually, by listening the sound, or by touching air outlets with hand, etc. for improper
operation.
Is this inspection result normal?
YES
>> GO TO 6.
NO-1
>> Air outlet does not change. Go to Mode Door Motor Circuit. Refer to
.
NO-2
>> Intake door does not change. Go to Intake Door Motor Circuit. Refer to
NO-3
>> Discharge air temperature does not change. Go to Air Mix Door Motor Circuit. Refer to
"WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM :
Diagnosis Procedure"
NO-4
>> Blower motor operation is malfunctioning. Go to Blower Motor Circuit. Refer to
LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM : Diag-
nosis Procedure"
.
NO-5
>> Magnet clutch does not engage.Go to Magnet Clutch Circuit. Refer to
.
6.
STEP-5: TEMPERATURE OF EACH SENSOR IS CHECKED
1.
Turn temperature control dial (driver side) clockwise.
2.
Code No. 51 appears on the display.
>> GO TO 7.
7.
CHECK AMBIENT SENSOR
JSIIA0060GB
Code No.
41
42
43
44
45
46
Mode door position
VENT
B/L 1
B/L 2
FOOT
D/F
DEF
Intake door position
REC
REC
20% FRE
FRE
FRE
FRE
Air mix door position
FULL COOL
FULL COOL
FULL HOT
FULL HOT
FULL HOT
FULL HOT
Blower motor duty ratio
37%
91%
65%
65%
65%
91%
Compressor
ON
ON
OFF
OFF
ON
ON
Electronic control valve
(ECV) duty ratio
100%
100%
0%
0%
50%
100%
HAC-54
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
DIAGNOSIS SYSTEM (AUTO AMP.)
Press
(DEF) switch one time. Temperature detected by ambient
sensor is indicated on the display.
NOTE:
If the temperature indicated on the display greatly differs from the
actual temperature, check sensor circuit first, and then check sensor.
Is this inspection result normal?
YES
>> GO TO 8.
NO
>> Go to Ambient Sensor Circuit. Refer to
.
8.
CHECK IN-VEHICLE SENSOR
Press
(DEF) switch for the second time. Temperature detected
by in-vehicle sensor is indicated on the display.
NOTE:
If the temperature indicated on the display greatly differs from the
actual temperature, check sensor circuit first, and then check sensor.
Is this inspection result normal?
YES
>> GO TO 9.
NO
>> Go to In-vehicle Sensor Circuit. Refer to
.
9.
CHECK INTAKE SENSOR
Press
(DEF) switch for the third time. Temperature detected by
intake sensor is indicated on the display.
NOTE:
If the temperature indicated on the display greatly differs from the
actual temperature, check sensor circuit first, and then check sensor.
Is this inspection result normal?
YES
>> GO TO 10.
NO
>> Go to Intake Sensor Circuit. Refer to
10.
CHECK CAN COMMUNICATION ERROR
1.
Press intake switch.
2.
CAN communication error between each unit that uses the uni-
fied meter and A/C amp. can be detected as self-diagnosis
results. (If plural errors occur, the display of each error will blink
twice for 0.5 second intervals.)
Is the inspection result normal?
YES
>> INSPECTION END
NO
>>
Go to CAN communication. Refer to
.
• Unified meter and A/C amp. - AV control unit
11.
CHECK MALFUNCTIONING SENSOR AND DOOR MOTOR
Refer to the following chart for malfunctioning code No.
(If two or more sensors and door motors malfunction, corresponding code Nos. indicates 1 second each.)
(If two door motors malfunction, corresponding code Nos. indicates 0.5 second each.)
PJIA0151E
PJIA0152E
PJIA0153E
JSIIA0138GB
DIAGNOSIS SYSTEM (AUTO AMP.)
HAC-55
< FUNCTION DIAGNOSIS >
[AUTOMATIC AIR CONDITIONER]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
*: Perform self-diagnosis STEP-2 under sunshine.
When performing indoors, aim a light (more than 60 W) at sunload sensor, otherwise code No. 25 will indicate
despite that sunload sensor is functioning properly.
>> INSPECTION END
12.
CHECK MALFUNCTIONING DOOR MOTOR POSITION SWITCH
Mode and/or intake door motor PBR(s) is/are malfunctioning.
(If two or more mode or intake door motors malfunction, corresponding code Nos. indicates 1 second each.)
*1: If mode door motor harness connector is disconnected, the following display pattern will appear.
31
→
32
→
Return to 31
*2: If intake door motor harness connector is disconnected, the following display pattern will appear.
37
→
38
→
39
→
Return to 37
>> INSPECTION END
WITH LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL
SYSTEM : CONSULT-III Function
INFOID:0000000000959920
Code No.
Malfunctioning sensor and door motor (Including circuits)
Reference page
21 /
−
21
Ambient sensor
22 /
−
22
In-vehicle sensor
24 /
−
24
Intake sensor
HAC-102, "Diagnosis Procedure"
25 /
−
25
Sunload sensor
*
26 /
−
26
Air mix door motor PBR (Driver side)
HAC-75, "WITH LEFT AND RIGHT VENTILA-
TION TEMPERATURE SEPARATELY CON-
TROL SYSTEM : Diagnosis Procedure"
27 /
−
27
Air mix door motor PBR (Passenger side)
SJIA1781E
Code No.
*1 *2
Mode or intake door position
Reference page
31
VENT
Mode door motor
32
DEF
37
FRE
Intake door motor
38
20% FRE
39
REC
SJIA1782E
Нет комментариевНе стесняйтесь поделиться с нами вашим ценным мнением.
Текст