Nissan Teana J32. Instruction — part 680
INSUFFICIENT COOLING
HAC-89
< SYMPTOM DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
1.
Using CONSULT-III, perform “HVAC TEST” “ACTIVE TEST” of HVAC to check each output device. Refer
to
HAC-38, "CONSULT-III Function"
.
NOTE:
Perform the ACTIVE TEST after starting the engine because the compressor is operated.
2.
Refer to the table and check the outlet, inlet, air flow temperature, blower motor control signal, magnet
clutch operation, and air mix ratio. Visually check each operating condition, by listening for noise, touching
air outlets with a hand, etc.
NOTE:
• Perform the inspection of each output device after starting the engine because the compressor is oper-
ated.
• When choosing to “MODE 7”, error message is displayed but it is not malfunction.
Does it operate normally?
YES
>> GO TO 7.
NO-1
>> Air outlet does not change. Refer to
.
NO-2
>> Air inlet does not change. Refer to
.
NO-3
>> Discharge air temperature does not change (driver side). Refer to
.
NO-4
>> Discharge air temperature does not change (passenger side). Refer to
NO-5
>> Blower motor does not operate normally. Refer to
NO-6
>> Magnet clutch does not operate. Refer to
7.
CHECK DRIVE BELT
Check tension of the drive belt. Refer to
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Adjust or replace drive belt.
Test item
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MODE 6
MODE 7
Mode door position
VENT
B/L1
B/L2
AUTO FOOT
D/F
DEF
-
Intake door position
REC
REC
20% FRE
FRE
FRE
FRE
-
Air mix door position
(driver & passenger
side)
FULL COLD
FULL COLD
FULL HOT
FULL HOT
FULL HOT
FULL HOT
-
Blower motor duty ratio
37%
91%
65%
65%
65%
91%
-
Compressor (Magnet
clutch)
ON
ON
OFF
OFF
ON
ON
-
JPIIA0877GB
HAC-90
< SYMPTOM DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
INSUFFICIENT COOLING
8.
CHECK AIR LEAKAGE FROM DUCT
Check duct and nozzle, etc, of the A/C system for air leakage.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Repair or replace parts according to the inspection results.
INSUFFICIENT HEATING
HAC-91
< SYMPTOM DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
C
D
E
F
G
H
J
K
L
M
A
B
HAC
N
O
P
INSUFFICIENT HEATING
Description
INFOID:0000000003846388
Symptom
• Insufficient heating
• No warm air comes out. (Air flow volume is normal.)
Inspection procedure
INFOID:0000000003846389
1.
CHECK COOLING SYSTEM
1.
Check engine coolant level and check for leakage. Refer to
.
2.
Check radiator cap. Refer to
CO-12, "RADIATOR CAP : Inspection"
3.
Check water flow sounds of engine coolant. Refer to
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Refill the engine coolant and repair or replace the parts according to the inspection results.
2.
CHECK OPERATION
1.
Press temperature control switch (driver side) and raise temperature setting to 32
°
C (90
°
F) after warming
up the engine.
2.
Check that warm air blows from the outlets.
Is the inspection result normal?
YES
>> END.
NO
>> GO TO 3.
3.
CHECK SETTING OF TEMPERATURE SETTING TRIMMER
Using CONSULT-III, check the setting of “TEMP SET CORRECT” on “WORK SUPPORT” of HVAC. Refer to
HAC-10, "Temperature Setting Trimmer"
.
1.
Check that the temperature setting trimmer is set to “
−
direction”.
NOTE:
The control temperature can be set by the temperature setting trimmer.
2.
Set temperature control switch to “0”.
Are the malfunction solved?
YES
>> Perform the setting separately if necessary. END.
NO
>> GO TO 4.
4.
CHECK WITH SELF-DIAGNOSIS FUNCTION OF CONSULT-III
1.
Using CONSULT-III, perform “SELF-DIAGNOSIS RESULTS” of HVAC.
2.
Check if any DTC is displayed in the trouble diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to
.
Is any DTC displayed?
YES
>> Perform the diagnosis that is applicable to the sensor and the door motor. Refer to
.
NO
>> GO TO 5.
5.
CHECK WITH ACTIVE TEST OF CONSULT-III
1.
Using CONSULT-III, perform “HVAC TEST” in “ACTIVE TEST” of HVAC to check each output device.
Refer to
HAC-38, "CONSULT-III Function"
NOTE:
Perform the ACTIVE TEST after starting the engine because the compressor is operated.
2.
Refer to the table and check the outlet, inlet, air flow temperature, blower motor control signal, magnet
clutch operation, and air mix ratio. Visually check each operating condition, by listening for noise, touching
air outlets with a hand, etc.
HAC-92
< SYMPTOM DIAGNOSIS >
[WITHOUT 7 INCH DISPLAY]
INSUFFICIENT HEATING
NOTE:
• Perform the inspection of each output device after starting the engine because the compressor is oper-
ated.
• When choosing to “MODE 7”, error message is displayed but it is not malfunction.
Does it operate normally?
YES
>> GO TO 6.
NO-1
>> Air outlet does not change. Refer to
.
NO-2
>> Air inlet does not change. Refer to
.
NO-3
>> Discharge air temperature does not change (driver side). Refer to
.
NO-4
>> Discharge air temperature does not change (passenger side). Refer to
NO-5
>> Blower motor does not operate normally. Refer to
NO-6
>> Magnet clutch does not operate. Refer to
6.
CHECK AIR LEAKAGE FROM DUCT
Check duct and nozzle, etc, of the A/C system for air leakage.
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair or replace parts according to the inspection results.
7.
CHECK HEATER HOSE INSTALLATION CONDITION
Check the heater hose installation condition visually (for twists, crushes, etc.).
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair or replace parts according to the inspection results.
8.
CHECK TEMPERATURE OF HEATER HOSE
Test item
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MODE 6
MODE 7
Mode door position
VENT
B/L1
B/L2
AUTO FOOT
D/F
DEF
-
Intake door position
REC
REC
20% FRE
FRE
FRE
FRE
-
Air mix door position
(driver & passenger
side)
FULL COLD
FULL
COLD
FULL HOT
FULL HOT
FULL HOT
FULL HOT
-
Blower motor duty ratio
37%
91%
65%
65%
65%
91%
-
Compressor (Magnet
clutch)
ON
ON
OFF
OFF
ON
ON
-
JPIIA0877GB
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