Qashqai J11. Heater & Air conditioning Control System — part 11
OPERATION
HAC-161
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
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MODE DEF switch
• Air outlet changes to DEF when this switch is pressed while air conditioning is ON and air outlet con-
dition is automatic control.
• Air outlet changes as following when this switch is pressed while air conditioning is ON and air outlet
condition is manual control.
- V/D
⇒
VENT
- VENT
⇒
V/D
- B/L
⇒
ALL
- ALL
⇒
B/L
- FOOT
⇒
D/F
- D/F
⇒
FOOT
- DEF
⇒
DEF
• When this switch is pressed while air conditioning is ON and MODE DEF is ON, air outlet control is
changed to automatic control.
• When this switch is pressed while air conditioning is OFF, Air conditioning becomes the following status
- Air outlet: DEF
- Air flow: Minimum setting
- Air inlet: Settings set before air conditioning is turned OFF
- A/C switch: Settings set before air conditioning is turned OFF
• When this switch is pressed while MAX DEF is ON, Air conditioning becomes the following status
- Air outlet: DEF
- Air flow: Settings set before MAX DEF is turned ON*
- Air inlet: Settings set before MAX DEF is turned ON*
- A/C switch: Settings set before MAX DEF is turned ON*
NOTE:
*: When MAX DEF is turned ON from air conditioning OFF status, each settings set before air condition-
ing is turned OFF.
MODE VENT switch
• Air outlet changes to VENT when this switch is pressed while air conditioning is ON and air outlet con-
dition is automatic control.
• Air outlet changes as following when this switch is pressed while air conditioning is ON and air outlet
condition is manual control.
- V/D
⇒
DEF
- VENT
⇒
VENT
- B/L
⇒
FOOT
- ALL
⇒
D/F
- FOOT
⇒
B?L
- D/F
⇒
ALL
- DEF
⇒
V/D
• When this switch is pressed while air conditioning is ON and MODE VENT is ON, air outlet control is
changed to automatic control.
• When this switch is pressed while air conditioning is OFF, Air conditioning becomes the following status
- Air outlet: VENT
- Air flow: Minimum setting
- Air inlet: Settings set before air conditioning is turned OFF
- A/C switch: Settings set before air conditioning is turned OFF
• When this switch is pressed while MAX DEF is ON, Air conditioning becomes the following status
- Air outlet: VENT
- Air flow: Settings set before MAX DEF is turned ON*
- Air inlet: Settings set before MAX DEF is turned ON*
- A/C switch: Settings set before MAX DEF is turned ON*
NOTE:
*: When MAX DEF is turned ON from air conditioning OFF status, each settings set before air condition-
ing is turned OFF.
Switch name
Function
HAC-162
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
OPERATION
OPERATION AND DISPLAY OF AUTOMATIC AIR CONDITIONING SYSTEM (EXCEPT FOR EU-
ROPE AND RUSSIA)
Operation: A/C control
MODE FOOT switch
• Air outlet changes to FOOT when this switch is pressed while air conditioning is ON and air outlet con-
dition is automatic control.
• Air outlet changes as following when this switch is pressed while air conditioning is ON and air outlet
condition is manual control.
- V/D
⇒
ALL
- VENT
⇒
B/L
- B/L
⇒
VENT
- ALL
⇒
V/D
- FOOT
⇒
FOOT
- D/F
⇒
DEF
- DEF
⇒
D/F
• When this switch is pressed while air conditioning is ON and MODE FOOT is ON, air outlet control is
changed to automatic control.
• When this switch is pressed while air conditioning is OFF, Air conditioning becomes the following status
- Air outlet: FOOT
- Air flow: Minimum setting
- Air inlet: Settings set before air conditioning is turned OFF
- A/C switch: Settings set before air conditioning is turned OFF
• When this switch is pressed while MAX DEF is ON, Air conditioning becomes the following status
- Air outlet: FOOT
- Air flow: Settings set before MAX DEF is turned ON*
- Air inlet: Settings set before MAX DEF is turned ON*
- A/C switch: Settings set before MAX DEF is turned ON*
NOTE:
*: When MAX DEF is turned ON from air conditioning OFF status, each settings set before air condition-
ing is turned OFF.
Temperature control
dial
The air flow temperature can be adjusted by operating the dial.
• Clockwise: Raise the air flow temperature.
• Counterclockwise: Lower the air flow temperature.
Switch name
Function
D/F switch
FOOT switch
B/L switch
VENT switch
Fan control dial
A/C switch
DEF switch
INTAKE switch
MAX A/C switch
Temperature control dial
JMIIA3339ZZ
OPERATION
HAC-163
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
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Switch name
Function
Temperature control
dial
The air flow temperature can be adjusted by operating the dial.
• Clockwise: Raise the air flow temperature.
• Counterclockwise: Lower the air flow temperature.
Fan control dial
The air flow can be manually set within the range of speeds 1st - 24th by operating the dial.
A/C switch
Compressor control (switch indicator) changes between ON
⇔
OFF each time this switch is pressed
while blower motor is operated.
NOTE:
A/C switch cannot be turned ON when blower motor is OFF.
MAX A/C switch
• Air conditioning becomes the following status when MAX A/C is turned ON by pushing the switch while
blower fan is operated.
- Air outlet: VENT (Air outlet is set to VENT position, but VENT switch indicator lamp is not indicated.)
- Air flow: Settings set before MAX A/C mode is turned ON
- Temperature setting: Full cold
- Air inlet: Recirculation
- A/C switch: ON
• Air conditioning becomes the following status when MAX A/C is turned OFF by pushing the switch
while MAX A/C is ON.
- Air outlet: VENT (When MAX A/C is turned OFF, VENT switch indicator lamp is turned ON.)
- Air flow: Settings set before MAX A/C is turned ON
- Temperature setting: Settings set before MAX A/C is turned ON
- Air inlet: Settings set before MAX A/C is turned ON
- A/C switch: ON
INTAKE switch
Air inlet changes between recirculation (REC)
⇔
fresh air intake (FRE) each time this switch is pressed.
• Switch indicator lamp ON: Recirculation
• Switch indicator lamp OFF: Fresh air intake
VENT switch
• When each switch is pressed, air outlet can be switched to any position.
• Air inlet is set to fresh air intake (FRE), when D/F or DEF is selected while air conditioning system is
in the ON position.
NOTE:
Air outlet can be changed when air conditioning system is in the OFF position.
B/L switch
FOOT switch
D/F switch
DEF switch
HAC-164
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
DIAGNOSIS SYSTEM (A/C AMP.)
DIAGNOSIS SYSTEM (A/C AMP.)
Description
INFOID:0000000010432512
Air conditioning system performs self-diagnosis, operation check, function diagnosis, and various settings
using diagnosis function of each control unit.
CONSULT Function
INFOID:0000000010432513
CONSULT performs the following functions via CAN communication with A/C amp.
NOTE:
Diagnosis should be performed with engine running. Door motor operation speeds become slower and NO
results may be returned even for normal operation if battery voltage drops below 12 V during self-diagnosis.
ECU IDENTIFICATION
Part number of A/C amp. can be checked.
SELF-DIAGNOSIS RESULTS
Diagnosis result that is judged by A/C amp. can be checked. Refer to
.
DATA MONITOR
Input/output signal of A/C amp. can be checked.
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
Display item list
ECU
Diagnostic item
(CONSULT)
A/C amp.
HVAC
Self Diagnostic Result
Data Monitor
Active Test
Work support
BCM
BCM-AIR CONDITIONER
Self Diagnostic Result
Data Monitor
ECM
ENGINE
Self Diagnostic Result
Data Monitor
IPDM E/R
IPDM E/R
Self Diagnostic Result
Data Monitor
Auto active test
Diagnostic mode
Description
Ecu Identification
Displays the part number of A/C amp.
Self Diagnostic Result
Displays the diagnosis results judged by A/C amp.
Data Monitor
Displays the input/output signal of A/C amp.
Active Test
The signals used to activate each device are forcibly supplied from A/C amp.
Work support
Changes the setting for each setting function and performs automatic adjustment of
components.
Monitor item [Unit]
Description
AMB TEMP SEN
[
°
C (
°
F)]
Ambient temperature value converted from ambient temperature signal received from
combination meter via CAN communication.
INT TEMP SEN
[
°
C (
°
F)]
Evaporator fin temperature value converted from intake sensor signal received from in-
take sensor.
AMB SEN CAL
[
°
C (
°
F)]
Ambient temperature value calculated by A/C amp.
DIAGNOSIS SYSTEM (A/C AMP.)
HAC-165
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
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ACTIVE TEST
The signals used to activate each device forcibly supplied from A/C amp. operation check of air conditioning
system can be performed.
Check each output device
NOTE:
Perform the inspection of each output device after starting the engine because the compressor is operated.
WORK SUPPORT
Setting change of each setting functions and automatic adjustment of components can be performed.
INT TEMP CAL
[
°
C (
°
F)]
Evaporator fin temperature value calculated by A/C amp.
COMP REQ SIG
[On/Off]
Displays A/C ON signal ON/OFF status transmitted to BCM.
COMP ECV DUTY
[%]
Duty ratio of ECV (electrical control valve) judged by A/C amp.
FAN REQ SIG
[On/Off]
Displays blower fan ON signal ON/OFF status transmitted to ECM.
FAN DUTY
Target duty ratio of voltage (applied voltage) applied to blower motor by A/C amp.
VEHICLE SPEED
[km/h
(mph)]
Vehicle speed signal value received from combination meter via CAN communication.
Monitor item [Unit]
Description
Test item
Description
HVAC TEST
The operation check of air conditioning system can be performed by selecting the mode.
Refer to the following table for the conditions of each mode.
Test item
MODE 1
MODE 2
MODE 3
MODE 4
MODE 5
MODE 6
MODE 7
Mode door motor position
VENT
VENT
B/L
B/L
FOOT
D/F
DEF
Intake door motor position
REC
REC
20% FRE
20% FRE
FRE
FRE
FRE
Air mix door motor position
FULL COLD
FULL COLD
FULL COLD
FULL HOT
FULL HOT
FULL HOT
FULL HOT
Blower motor (duty ratio)
35%
35%
60%
60%
90%
90%
35%
Magnet clutch
ON
ON
ON
ON
OFF
OFF
ON
ECV duty ratio
80%
80%
40%
40%
0%
0%
90%
Work item
Description
Refer to
TARGET EVAPORATOR TEMP UP-
PER LIMIT SETTING
Setting change of evaporator target temperature upper limit
value can be performed.
HAC-191, "Setting of Target
Evaporator Temperature Up-
per Limit Value"
Door Motor Starting Position Reset
Starting position reset of air mix door motor and mode door
motor can be performed.
HAC-166
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010916204
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
×
: Applicable item
FREEZE FRAME DATA (FFD)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT.
Diagnosis mode
Function Description
Work Support
Changes the setting for each system function.
Self Diagnostic Result
Displays the diagnosis results judged by BCM.
CAN Diag Support Monitor
Monitors the reception status of CAN communication viewed from BCM.
Data Monitor
The BCM input/output signals are displayed.
Active Test
The signals used to activate each device are forcibly supplied from BCM.
Ecu Identification
The BCM part number is displayed.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
Work Support
Data Monitor
Active Test
Door lock
DOOR LOCK
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Exterior lamp
HEAD LAMP
×
×
×
Interior room lamp control
INT LAMP
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
PTC heater control
AIR CONDITONER
×
Intelligent Key system
INTELLIGENT KEY
×
×
×
Combination switch
COMB SW
×
Body control system
BCM
×
NVIS - NATS
IMMU
×
Interior room lamp battery saver
BATTERY SAVER
×
Back door open
TRUNK
×
Vehicle security
THEFT ALM
×
×
RAP
RETAINED PWR
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
Signal buffer system
SIGNAL BUFFER
×
×
DIAGNOSIS SYSTEM (BCM)
HAC-167
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
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AIR CONDITIONER
AIR CONDITIONER : CONSULT Function (BCM - AIR CONDITIONER)
INFOID:0000000010502886
ACTIVE TEST
CONSULT screen item
Indication/Unit
Description
BATTERY VOLTAGE
V
Battery voltage of the moment a particular DTC is detected.
VEHICLE SPEED
km/h
Vehicle speed of the moment a particular DTC is detected.
EXTERNAL TEMP
°
C
External temperature of the moment a particular DTC is detected
VEHICLE COND
—
NOTE:
This item is displayed, but cannot be use this item.
DOOR LOCK STATUS
—
NOTE:
This item is displayed, but cannot be use this item.
POWER SUPPLY
COUNTER
min
Displays the cumulative time from the time that the battery terminal is connected.
Test item
Operation
Description
PTC RELAY-1
Off/On
PTC RELAY-1 is turned OFF/ON.
PTC RELAY-2
Off/On
PTC RELAY-2 is turned OFF/ON.
PTC RELAY-3
Off/On
PTC RELAY-3 is turned OFF/ON.
HAC-168
< ECU DIAGNOSIS INFORMATION >
[MANUAL AIR CONDITIONING]
A/C AMP.
ECU DIAGNOSIS INFORMATION
A/C AMP.
Reference Value
INFOID:0000000010432516
CONSULT DATA MONITOR REFERENCE VALUES
NOTE:
The following table includes information (items) inapplicable to this vehicle. For information (items) applicable
to this vehicle, refer to CONSULT display items.
TERMINAL LAYOUT
PHYSICAL VALUES
Monitor item
Condition
Value/Status
AMB TEMP SEN
Ignition switch ON
Equivalent to ambient tem-
perature
INT TEMP SEN
Ignition switch ON
Values depending on evapo-
rator fin temperature
AMB SEN CAL
Ignition switch ON
Equivalent to ambient tem-
perature
INT TEMP CAL
Ignition switch ON
Values depending on evapo-
rator fin temperature
COMP REQ SIG
Engine: Run at idle after
warming up
A/C switch: ON
(Compressor operation sta-
tus)
On
A/C switch: OFF
Off
COMP ECV DUTY
Engine: Run at idle after
warming up
A/C switch: ON
(Compressor operation sta-
tus)
1 - 100%
A/C switch: OFF
0%
FAN REQ SIG
Engine: Run at idle after
warming up
Blower motor: ON
On
Blower motor: OFF
Off
FAN DUTY
Engine: Run at idle after
warming up
Blower motor: ON
1 – 100
Blower motor: OFF
0
VEHICLE SPEED
Turn drive wheels and compare CONSULT value with the
speedometer indication.
Equivalent to speedometer
reading
JMIIA3431ZZ
A/C AMP.
HAC-169
< ECU DIAGNOSIS INFORMATION >
[MANUAL AIR CONDITIONING]
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Terminal No.
(Wire color)
Description
Condition
Value
+
−
Signal name
Input/
Output
1
(G)
Ground
Fan control amp. control
Output
Ignition
switch ON
Blower mo-
tor: 1st - 23rd
speed (man-
ual)
2.5 – 3.5 V
Blower mo-
tor: 24th
speed (man-
ual)
10 – 11 V
3
(SB)
Ground
Accessory power supply
Input
Ignition switch ON
11 – 14 V
4
(V)
Ground
Ignition power supply
Input
Ignition switch ON
11 – 14 V
7
(L)
—
CAN-H
Input/
Output
—
—
8
(W)
Ground
Door motor power supply (mode,
intake)
Output
• Ignition switch ON
• Each following condition
- Immediately after the IN-
TAKE switch is operated
(when intake door motor
operates)
- For models for Europe
and Russia, immediately
after the MODE VENT/
FOOT/DEF switch is oper-
ated (when mode door
motor operates)
- For models except for Eu-
rope and Russia, immedi-
ately after the VENT, B/L,
FOOT, D/F or DEF switch-
es are operated (when
mode door motor oper-
ates)
11 – 14 V
9
(BG)
Ground
Air mix door motor drive 1
Output
• Ignition switch ON
• Immediately after the tem-
perature control dial is op-
erated (when the air mix
door motor operates)
10
(Y)
Ground
Air mix door motor drive 2
11
(V)
Ground
Intake door motor drive 1
Output
• Ignition switch ON
• Immediately after the IN-
TAKE switch is operated
(when intake door motor
operates)
12
(GR)
Ground
Intake door motor drive 2
JPIIA1647GB
JPIIA1647GB
HAC-170
< ECU DIAGNOSIS INFORMATION >
[MANUAL AIR CONDITIONING]
A/C AMP.
13
(LG)
Ground
Mode door motor drive 1
Output
• Ignition switch ON
• For models for Europe
and Russia, immediately
after the MODE VENT/
FOOT/DEF switch is oper-
ated (when mode door
motor operates)
• For models except for Eu-
rope and Russia, immedi-
ately after the VENT, B/L,
FOOT, D/F or DEF switch-
es are operated (when
mode door motor oper-
ates)
14
(SB)
Ground
Mode door motor drive 2
17
(W)
Ground
Blower motor feedback
Output
Ignition
switch ON
Blower mo-
tor: 1st
speed (man-
ual)
9.0 – 10.5 V
18
(BR)
Ground
Sensor ground (intake)
—
Ignition switch ON
0 – 0.1 V
19
(B)
Ground
Ground
—
Ignition switch ON
0 – 0.1 V
21
(BG)
Ground
Intake sensor
Input
Air tempera-
ture after
passing
through
evaporator
(Ignition
switch ON)
−
20
°
C
(
−
4
°
F)
4.41 V
−
10
°
C
(14
°
F)
4.09 V
0
°
C
(32
°
F)
3.68 V
10
°
C
(50
°
F)
3.21 V
20
°
C
(68
°
F)
2.71 V
25
°
C
(77
°
F)
2.47 V
30
°
C
(86
°
F)
2.23 V
40
°
C
(104
°
F)
1.80 V
23
(R)
—
CAN-L
Input/
Output
—
—
24
(SB)
Ground
Door motor power supply (air
mix)
Output
• Ignition switch ON
• Following condition
- Immediately after the tem-
perature control dial is op-
erated
11 – 14 V
25
(GR)
Ground
Air mix door motor drive 3
Output
• Ignition switch ON
• Immediately after the tem-
perature control dial is op-
erated (when the air mix
door motor operates)
26
(P)
Ground
Air mix door motor drive 4
Terminal No.
(Wire color)
Description
Condition
Value
+
−
Signal name
Input/
Output
JPIIA1647GB
JPIIA1647GB
A/C AMP.
HAC-171
< ECU DIAGNOSIS INFORMATION >
[MANUAL AIR CONDITIONING]
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HAC
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DTC Index
INFOID:0000000010432518
27
(LG)
Ground
Intake door motor drive 3
Output
• Ignition switch ON
• Immediately after the IN-
TAKE switch is operated
(when intake door motor
operates)
28
(R)
Ground
Intake door motor drive 4
29
(L)
Ground
Mode door motor drive 3
Output
• Ignition switch ON
• For models for Europe
and Russia, immediately
after the MODE VENT/
FOOT/DEF switch is oper-
ated (when mode door
motor operates)
• For models except for Eu-
rope and Russia, immedi-
ately after the VENT, B/L,
FOOT, D/F or DEF switch-
es are operated (when
mode door motor oper-
ates)
30
(G)
Ground
Mode door motor drive 4
Terminal No.
(Wire color)
Description
Condition
Value
+
−
Signal name
Input/
Output
JPIIA1647GB
JPIIA1647GB
DTC
Items
(CONSULT screen terms)
Reference
U1000
CAN COMM CIRCUIT
U1010
CONTROL UNIT (CAN)
B24A4
INTAKE SENSOR
[CIRCUIT SHORT TO GROUND]
[CIRC SHORT TO BATT OR OPEN]
B24B7
INTAKE DOOR MOTOR
[CIRCUIT SHORT TO BATTERY]
[CIRC SHORT TO GRND OR OPEN]
B24B9
MODE DOOR MOTOR
[CIRCUIT SHORT TO BATTERY]
[CIRC SHORT TO GRND OR OPEN]
B24BB
LEFT AIR MIX DOOR MOTOR
[CIRCUIT SHORT TO BATTERY]
[CIRC SHORT TO GRND OR OPEN]
HAC-172
< ECU DIAGNOSIS INFORMATION >
[MANUAL AIR CONDITIONING]
BCM, ECM, IPDM E/R
BCM, ECM, IPDM E/R
List of ECU Reference
INFOID:0000000010432519
ECU
Reference
BCM
BCS-88, "DTC Inspection Priority Chart"
ECM
HRA2DDT engine models
MR16DDT engine models
ECM-140, "DTC Inspection Priority Chart"
MR20DD engine models
ECM-704, "DTC Inspection Priority Chart"
K9K engine models
ECK-95, "DTC Inspection Priority Chart"
R9M engine models
EC9-99, "DTC Inspection Priority Chart"
IPDM E/R
MANUAL AIR CONDITIONER SYSTEM
HAC-173
< WIRING DIAGRAM >
[MANUAL AIR CONDITIONING]
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HAC
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WIRING DIAGRAM
MANUAL AIR CONDITIONER SYSTEM
Wiring Diagram
INFOID:0000000010432520
JRIWC4093GB
HAC-174
< WIRING DIAGRAM >
[MANUAL AIR CONDITIONING]
MANUAL AIR CONDITIONER SYSTEM
JRIWC4094GB
MANUAL AIR CONDITIONER SYSTEM
HAC-175
< WIRING DIAGRAM >
[MANUAL AIR CONDITIONING]
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A
B
HAC
N
O
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JRIWC4095GB
HAC-176
< WIRING DIAGRAM >
[MANUAL AIR CONDITIONING]
MANUAL AIR CONDITIONER SYSTEM
JRIWC4096GB
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