cooling NISSAN TEANA 2008 Owners Manual

INSPECTION AND ADJUSTMENT
HAC-113
< BASIC INSPECTION >[WITH 7 INCH DISPLAY]
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1. Press the intake switch. Indicator is turned ON (REC).
2. Press the intake switch again. Indicator is turned OFF (FRE).
3. Listen for the intake door position change. (Slight change of blower sound can be heard.)
NOTE:
Confirm that the compressor clutch is engaged (sound or visual inspection) and the intake door position is at
the FRE when the DEF is selected.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Intake door system malfunction: HAC-189, "
Diagnosis Procedure".
5.CHECK A/C SWITCH
1. Press the A/C switch.
2. The A/C switch indicator is turned ON.
Confirm that the compressor clutch engages (sound or visual inspection).
Is the inspection result normal?
YES >> GO TO 6.
NO >> Magnet clutch system malfunction: HAC-197, "
Diagnosis Procedure".
6.CHECK WITH TEMPERATURE SETTING LOWERED
1. Operate the compressor.
2. Operate the temperature control dial (driver side) and lower the temperature setting to 18°C (60°F).
3. Check that the cool air blows from the outlets.
Is the inspection result normal?
YES >> GO TO 7.
NO >> Insufficient cooling: HAC-228, "
Inspection procedure".
7.CHECK WITH TEMPERATURE SETTING RAISED
1. Operate the temperature control dial (driver side) and raise the temperature setting to 32°C (90°F) after
warming up the engine.
2. Check that the warm air blows from the outlets.
Is the inspection result normal?
YES >> GO TO 8.
NO >> Insufficient heating: HAC-231, "
Inspection procedure".
8.CHECK LEFT AND RIGHT VENTILATION TEMPERATURE SEPARATELY CONTROL SYSTEM FUNC-
TION
1. Press the DUAL switch, and then check that “DUAL” is shown on the display.
2. Operate the temperature control dial (driver side). Check that the discharge air temperature (driver side)
changes.
3. Operate the temperature control dial (passenger side). Check that the discharge air temperature (passen-
ger side) changes.
4. Press the DUAL switch, and then check that the temperature setting (LH/RH) is unified to the driver side
temperature setting.
Is the inspection result normal?
YES >> GO TO 9.
NO >> Refer to HAC-226, "
Diagnosis Chart By Symptom" and perform the appropriate diagnosis.
9.CHECK AUTO MODE
1. Press the AUTO switch, and then check that “AUTO” is shown on the display.
2. Operate the temperature control dial (driver side). Check that the fan speed or outlet changes (the dis-
charge air temperature or fan speed varies depending on the ambient temperature, in-vehicle tempera-
ture, and temperature setting).
Is the inspection result normal?
YES >> GO TO 10.
NO >> Refer to HAC-226, "
Diagnosis Chart By Symptom" and perform the appropriate diagnosis.
10.CHECK PLASMACLUSTER ION CONTROL FUNCTION
1. Turn ignition switch OFF and restart the engine.

B2578, B2579 IN-VEHICLE SENSOR
HAC-169
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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B2578, B2579 IN-VEHICLE SENSOR
DescriptionINFOID:0000000003884744
In-vehicle Sensor
 The in-vehicle sensor (1) is located on instrument driver lower
panel.
 It converts variations in compartment air temperature drawn from
the aspirator into a resistance value. It is then input into the A/C
auto amp.
In-vehicle Sensor Circuit
Aspirator
The aspirator (1) is located on driver side of heater & cooling unit
assembly. It produces vacuum pressure due to air discharged from
the heater & cooling unit assembly, continuously taking compartment
air in the aspirator.
DTC LogicINFOID:0000000003884745
DTC DETECTION LOGIC
NOTE:
JPIIA1019ZZ
JPIIA0613GB
:Vehicle front
JPIIA0890ZZ
RJIA1804E

B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
HAC-181
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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B2632, B2633 AIR MIX DOOR MOTOR (DRIVER SIDE)
DescriptionINFOID:0000000003884760
COMPONENT DESCRIPTION
Air Mix Door Motor (Driver Side)
 The air mix door motor (driver side) (1) are attached to the heater
& cooling unit assembly.
 It rotates so that the air mix door is opened or closed to a position
set by the A/C auto amp.
 Motor rotation is then conveyed through a shaft and the air mix
door position feedback is then sent to the A/C auto amp. by PBR
built-in air mix door motor.
DTC LogicINFOID:0000000003884761
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.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 self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
Is DTC
“B2632” or “B2633” displayed?
YES >> Perform trouble diagnosis for the air mix door motor (driver side). Refer to HAC-182, "Diagnosis
Procedure".
NO >> GO TO 2.
2.FUNCTION INSPECTION
1. Press temperature control “UP” switch (driver side) until 32°C (90°F) is displayed.
2. Check for warm air at discharge air outlets.
3. Operate the compressor.
4. Press temperature control “DOWN” switch (driver side) until 18°C (60°F) is displayed.
5. Check for cool air at air discharge outlets.
Does it operate normally?
YES >> END.
NO >> Check air mix door motor (driver side) installation, and repair or replace the malfunctioning parts.
:Vehicle front
JPIIA0891ZZ
DTCItems
(CONSULT-III screen terms)Diagnostic item is detected when... Possible cause
B2632 DR AIRMIX ACTR (SHORT)Air mix door PBR (driver side) position
5% or less Air mix door motor (driver side)
 A/C auto amp.
 Harness and connector
(CAN communication line is
open or shorted)
(Air mix door motor is open or
shorted) B2633 DR AIRMIX ACTR (OPEN)Air mix door PBR (driver side) position
95% or more

B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
HAC-183
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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B2634, B2635 AIR MIX DOOR MOTOR (PASSENGER SIDE)
DescriptionINFOID:0000000003884763
COMPONENT DESCRIPTION
Air Mix Door Motor (Passenger Side)
 The air mix door motor (passenger side) (1) are attached to the
heater & cooling unit assembly.
 It rotates so that the air mix door is opened or closed to a position
set by the A/C auto amp.
 Motor rotation is then conveyed through a shaft and the air mix
door position feedback is then sent to the A/C auto amp. by PBR
built-in air mix door motor.
DTC LogicINFOID:0000000003884764
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.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 self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
Is DTC
“B2634” or “B2635” displayed?
YES >> Perform trouble diagnosis for the air mix door motor (passenger side). Refer to HAC-184, "Diag-
nosis Procedure".
NO >> GO TO 2.
2.FUNCTION INSPECTION
1. Press temperature control “UP” switch (passenger side) until 32°C (90°F) is displayed.
2. Check for warm air at discharge air outlets.
3. Operate the compressor.
4. Press temperature control “DOWN” switch (passenger side) until 18°C (60°F) is displayed.
5. Check for cool air at air discharge outlets.
Does it operate normally?
YES >> END.
NO >> Check air mix door motor (passenger side) installation, and repair or replace the malfunctioning
parts.
:Vehicle front
JPIIA0892ZZ
DTCItems
(CONSULT-III screen terms)Diagnostic item is detected when... Possible cause
B2634 PASS AIRMIX ACTR (SHORT)Air mix door PBR (passenger side) position
5% or less Air mix door motor (passenger
side)
 A/C auto amp.
 Harness and connector
(CAN communication line is open
or shorted)
(Air mix door motor is open or
shorted) B2635 PASS AIRMIX ACTR (OPEN)Air mix door PBR (passenger side) position
95% or more

B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
HAC-185
< COMPONENT DIAGNOSIS >[WITH 7 INCH DISPLAY]
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B2636, B2637, B2638, B2639, B2654, B2655 MODE DOOR MOTOR
DescriptionINFOID:0000000003884766
COMPONENT DESCRIPTION
Mode Door Motor
 The mode door motor (1) are attached to the heater & cooling unit
assembly.
 It rotates so that air is discharged from the outlet set by the A/C
auto amp. Motor rotation is conveyed to a link which activates the
mode door.
DTC LogicINFOID:0000000003884767
DTC DETECTION LOGIC
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC-
164, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.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 self-diagnosis results.
NOTE:
If DTC is displayed along with DTC U1000 or U1010, first diagnose the DTC U1000 or U1010. Refer to HAC-
164, "DTC Logic" or HAC-165, "DTC Logic".
Is DTC
“ B2636 ”, “ B2637 ”, “B2638 ”, “B2639 ”, “B2654 ” or “B2655 ” displayed?
YES >> Perform trouble diagnosis for the mode door motor. Refer to HAC-186, "Diagnosis Procedure".
NO >> GO TO 2.
2.FUNCTION INSPECTION
1. Press MODE switch and DEF switch.
2. Each position indicator should change shape.
3. Confirm that air discharge comes out according to the air distribution table at below. Refer to HAC-122,
"WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : System Description" (WITHOUT INTELLI-
:Vehicle front
JPIIA0893ZZ
DTCItems
(CONSULT-III screen terms)Diagnostic item is detected when... Possible cause
B2636 DR VENT DOOR FAILWhen the malfunctioning door position is
detected at VENT position
 Mode door motor
 A/C auto amp.
 Harness and connector
(CAN communication line is open
or shorted)
(Mode door motor is open or short-
ed) B2637 DR B/L DOOR FAILWhen the malfunctioning door position is
detected at B/L position
B2638 DR D/F1 DOOR FAILWhen the malfunctioning door position is
detected at FOOT position
B2639 DR DEF DOOR FAILWhen the malfunctioning door position is
detected at DEF position
B2654 D/F2 DOOR FAILWhen the malfunctioning door position is
detected at D/F position
B2655 B/L2 DOOR FAILWhen the malfunctioning door position is
detected at B/L2 position

HAC-226
< SYMPTOM DIAGNOSIS >[WITH 7 INCH DISPLAY]
AIR CONDITIONER CONTROL
SYMPTOM DIAGNOSIS
AIR CONDITIONER CONTROL
Diagnosis Chart By SymptomINFOID:0000000003884798
*:WITH INTELLIGENT AIR CONDITIONER SYSTEM
Symptom Reference
A/C system does not activate.Go to Trouble Diagnosis Procedure for Power Supply And
Ground Circuit.HAC-191, "
A/C AUTO AMP. :
Diagnosis Procedure"
A/C system cannot be controlled.Go to Trouble Diagnosis Procedure for Preset Switch Sys-
tem.AV- 1 6 4 , "
Symptom Table"
(DISPLAY AND AUDIO SYS-
TEM), AV- 3 7 2 , "
Symptom Ta-
ble" (BOSE AUDIO WITHOUT
NAVIGATION) or AV-640,
"Symptom Table" (BOSE AU-
DIO WITH NAVIGATION).
Air outlet does not change.
Go to Trouble Diagnosis Procedure for Mode Door Motor.
(LAN)HAC-186, "
Diagnosis Proce-
dure"Mode door motor does not operate
normally.
Discharge air temperature does not
change.
Go to Trouble Diagnosis Procedure for Air Mix Door Motor.
(LAN)HAC-182, "
Diagnosis Proce-
dure" (driver side) or HAC-184,
"Diagnosis Procedure" (pas-
senger side) Air mix door motor does not operate
normally.
Intake door does not change.
Go to Trouble Diagnosis Procedure for Intake Door Motor.
(LAN)HAC-189, "
Diagnosis Proce-
dure"Intake door motor does not operate
normally.
Blower motor operation is malfunc-
tioning.Go to Trouble Diagnosis Procedure for Blower Motor.HAC-193, "
Diagnosis Proce-
dure"
Magnet clutch does not engage. Go to Trouble Diagnosis Procedure for Magnet Clutch.HAC-197, "Diagnosis Proce-
dure"
Insufficient cooling
Go to Trouble Diagnosis Procedure for Insufficient Cooling.HAC-228, "Inspection proce-
dure"No cool air comes out.
(Air flow volume is normal.)
Insufficient heating
Go to Trouble Diagnosis Procedure for Insufficient Heating.HAC-231, "
Inspection proce-
dure"No warm air comes out.
(Air flow volume is normal.)
Noise Go to Trouble Diagnosis Procedure for Noise.HAC-234, "
Inspection proce-
dure"
Memory function does not operate. Go to Trouble Diagnosis Procedure for Memory Function.HAC-236, "Inspection proce-
dure"
Plasmacluster system does not op-
erate.*Go to Trouble Diagnosis Procedure for Plasmacluster sys-
tem.HAC-227, "
WITH INTELLI-
GENT AIR CONDITIONER
SYSTEM : Inspection proce-
dure"

HAC-228
< SYMPTOM DIAGNOSIS >[WITH 7 INCH DISPLAY]
INSUFFICIENT COOLING
INSUFFICIENT COOLING
DescriptionINFOID:0000000003884801
Symptom
 Insufficient cooling
 No cool air comes out. (Air flow volume is normal.)
Inspection procedureINFOID:0000000003884802
1.CHECK WITH A GAUGE OF RECOVERY/RECYCLING RECHARGING EQUIPMENT
Connect the recovery/recycling recharging equipment to the vehicle and perform the pressure inspection with
the gauge.
Is there refrigerant?
YES >> GO TO 2.
NO-1 >> Check for refrigerant leakages with the refrigerant leakage detecting fluorescent leak detector.
Refer to HA-32, "
Inspection".
NO-2 >> GO TO 2 after repairing or replacing the parts according to the inspection results.
2.CHECK CHARGED REFRIGERANT AMOUNT
1. Connect recovery/recycling recharging equipment to the vehicle and discharge the refrigerant.
2. Recharge with the proper amount of refrigerant and perform the inspection with the refrigerant leakage
detecting fluorescent leak detector. Refer to HA-32, "
Inspection".
Is the inspection result normal?
YES >> GO TO 3.
NO >> Refill the refrigerant and repair or replace the parts according to the inspection results.
3.CHECK REFRIGERANT CYCLE PRESSURE
Connect recovery/recycling recharging equipment to the vehicle and perform the performance test. Refer to
HA-30, "
Performance Chart".
Is the inspection result normal?
YES >> GO TO 4.
NO >> Perform the diagnosis with the gauge pressure. Refer to HA-8, "
Trouble Diagnosis For Unusual
Pressure".
4.CHECK SETTING OF TEMPERATURE SETTING TRIMMER
Using CONSULT-III, check the setting of “TEMP SET CORRECT” on “WORK SUPPORT” of HVAC. Refer to
HAC-110, "
WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : Temperature Setting Trimmer" (WITH-
OUT INTELLIGENT AIR CONDITIONER SYSTEM) or HAC-114, "
WITH INTELLIGENT AIR CONDITIONER
SYSTEM : Temperature Setting Trimmer" (WITH INTELLIGENT AIR CONDITIONER SYSTEM).
1. Check that the temperature setting trimmer is set to “+ direction”.
NOTE:
The control temperature can be set with the setting of the temperature setting trimmer.
2. Set temperature control dial to “0”.
Are the malfunction solved?
YES >> Perform the setting separately if necessary. END.
NO >> GO TO 5.
5.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
HAC-164, "
DTC Logic" or HAC-165, "DTC Logic".
Is any DTC displayed?
YES >> Perform the diagnosis that is applicable to the sensor and the door motor. Refer to HAC-212,
"WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : DTC Index" (WITHOUT INTELLI-

INSUFFICIENT COOLING
HAC-229
< SYMPTOM DIAGNOSIS >[WITH 7 INCH DISPLAY]
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GENT AIR CONDITIONER SYSTEM) or HAC-224, "WITH INTELLIGENT AIR CONDITIONER
SYSTEM : DTC Index" (WITH INTELLIGENT AIR CONDITIONER SYSTEM).
NO >> GO TO 6.
6.CHECK WITH ACTIVE TEST OF CONSULT-III
1. Using CONSULT-III, perform “HVAC TEST” on “ACTIVE TEST” of HVAC to check each output device.
Refer to HAC-156, "
WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : CONSULT-III Function"
(WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM) or HAC-159, "WITH INTELLIGENT AIR CON-
DITIONER SYSTEM : CONSULT-III Function" (WITH INTELLIGENT AIR CONDITIONER SYSTEM).
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 HAC-186, "
Diagnosis Procedure".
NO-2 >> Air inlet does not change. Refer to HAC-189, "
Diagnosis Procedure".
NO-3 >> Discharge air temperature does not change (driver side). Refer to HAC-182, "
Diagnosis Proce-
dure".
NO-4 >> Discharge air temperature does not change (passenger side). Refer to HAC-184, "
Diagnosis Pro-
cedure".
NO-5 >> Blower motor does not operate normally. Refer to HAC-193, "
Diagnosis Procedure".
NO-6 >> Magnet clutch does not operate. Refer to HAC-197, "
Diagnosis Procedure".
Te s t i t e m
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-230
< SYMPTOM DIAGNOSIS >[WITH 7 INCH DISPLAY]
INSUFFICIENT COOLING
7.CHECK DRIVE BELT
Check tension of the drive belt. Refer to EM-12, "
Checking".
Is the inspection result normal?
YES >> GO TO 8.
NO >> Adjust or replace drive belt.
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-231
< SYMPTOM DIAGNOSIS >[WITH 7 INCH DISPLAY]
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INSUFFICIENT HEATING
DescriptionINFOID:0000000003884803
Symptom
 Insufficient heating
 No warm air comes out. (Air flow volume is normal.)
Inspection procedureINFOID:0000000003884804
1.CHECK COOLING SYSTEM
1. Check engine coolant level and check for leakage. Refer to CO-8, "
Inspection".
2. Check radiator cap. Refer to CO-12, "
RADIATOR CAP : Inspection".
3. Check water flow sounds of engine coolant. Refer to CO-9, "
Refilling".
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 dial (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-110, "
WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : Temperature Setting Trimmer" (WITH-
OUT INTELLIGENT AIR CONDITIONER SYSTEM) or HAC-114, "
WITH INTELLIGENT AIR CONDITIONER
SYSTEM : Temperature Setting Trimmer" (WITH INTELLIGENT AIR CONDITIONER SYSTEM).
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 dial 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
HAC-164, "
DTC Logic" or HAC-165, "DTC Logic".
Is any DTC displayed?
YES >> Perform the diagnosis that is applicable to the sensor and the door motor. Refer to HAC-212,
"WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : DTC Index" (WITHOUT INTELLI-
GENT AIR CONDITIONER SYSTEM) or HAC-224, "
WITH INTELLIGENT AIR CONDITIONER
SYSTEM : DTC Index" (WITH INTELLIGENT AIR CONDITIONER SYSTEM).
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-156, "
WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM : CONSULT-III Function"
(WITHOUT INTELLIGENT AIR CONDITIONER SYSTEM) or HAC-159, "WITH INTELLIGENT AIR CON-
DITIONER SYSTEM : CONSULT-III Function" (WITH INTELLIGENT AIR CONDITIONER SYSTEM).
NOTE: