Qashqai J11. Heater & Air conditioning Control System

OPERATION

HAC-161

< SYSTEM DESCRIPTION >

[MANUAL AIR CONDITIONING]

HAC

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]

HAC

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

HAC-171, "DTC Index"

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

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]

HAC

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

B/L

FOOT

D/F

DEF

Intake door motor position

REC

20% FRE

FRE

Air mix door motor position

FULL COLD

FULL HOT

Blower motor (duty ratio)

35%

60%

90%

35%

Magnet clutch

OFF

ECV duty ratio

80%

40%

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-192, "Work Procedure"

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]

HAC

AIR CONDITIONER

AIR CONDITIONER : CONSULT Function (BCM - AIR CONDITIONER)

INFOID:0000000010502886

ACTIVE TEST

CONSULT screen item

Indication/Unit

Description

BATTERY VOLTAGE

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

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)

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

FAN REQ SIG

Engine: Run at idle after
warming up

Blower motor: ON

Blower motor: OFF

Off

FAN DUTY

Engine: Run at idle after
warming up

Blower motor: ON

1 – 100

Blower motor: OFF

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]

HAC

Terminal No.

(Wire color)

Description

Condition

Value

−

Signal name

Input/

Output

(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

(SB)

Ground

Accessory power supply

Input

Ignition switch ON

11 – 14 V

(V)

Ground

Ignition power supply

Input

Ignition switch ON

11 – 14 V

(L)

—

CAN-H

Input/

Output

—

(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

(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)

(Y)

Ground

Air mix door motor drive 2

(V)

Ground

Intake door motor drive 1

Output

• Ignition switch ON
• Immediately after the IN-

TAKE switch is operated
(when intake door motor
operates)

(GR)

Ground

Intake door motor drive 2

JPIIA1647GB

HAC-170

< ECU DIAGNOSIS INFORMATION >

[MANUAL AIR CONDITIONING]

A/C AMP.

(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)

(SB)

Ground

Mode door motor drive 2

(W)

Ground

Blower motor feedback

Output

Ignition
switch ON

Blower mo-
tor: 1st
speed (man-
ual)

9.0 – 10.5 V

(BR)

Ground

Sensor ground (intake)

—

Ignition switch ON

0 – 0.1 V

(B)

Ground

—

Ignition switch ON

0 – 0.1 V

(BG)

Ground

Intake sensor

Input

Air tempera-
ture after
passing
through
evaporator
(Ignition
switch ON)

−

(

−

4.41 V

−

(14

4.09 V

(32

3.68 V

(50

3.21 V

(68

2.71 V

(77

2.47 V

(86

2.23 V

(104

1.80 V

(R)

—

CAN-L

Input/

Output

—

(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

(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)

(P)

Ground

Air mix door motor drive 4

Terminal No.

(Wire color)

Description

Condition

Value

−

Signal name

Input/

Output

JPIIA1647GB

A/C AMP.

HAC-171

< ECU DIAGNOSIS INFORMATION >

[MANUAL AIR CONDITIONING]

HAC

DTC Index

INFOID:0000000010432518

(LG)

Ground

Intake door motor drive 3

Output

• Ignition switch ON
• Immediately after the IN-

TAKE switch is operated
(when intake door motor
operates)

(R)

Ground

Intake door motor drive 4

(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)

(G)

Ground

Mode door motor drive 4

Terminal No.

(Wire color)

Description

Condition

Value

−

Signal name

Input/

Output

JPIIA1647GB

DTC

Items

(CONSULT screen terms)

Reference

U1000

CAN COMM CIRCUIT

HAC-193, "DTC Logic"

U1010

CONTROL UNIT (CAN)

HAC-194, "DTC Logic"

B24A4

INTAKE SENSOR

[CIRCUIT SHORT TO GROUND]

HAC-195, "DTC Logic"

[CIRC SHORT TO BATT OR OPEN]

B24B7

INTAKE DOOR MOTOR

[CIRCUIT SHORT TO BATTERY]

HAC-198, "DTC Logic"

[CIRC SHORT TO GRND OR OPEN]

B24B9

MODE DOOR MOTOR

[CIRCUIT SHORT TO BATTERY]

HAC-201, "DTC Logic"

[CIRC SHORT TO GRND OR OPEN]

B24BB

LEFT AIR MIX DOOR MOTOR

[CIRCUIT SHORT TO BATTERY]

HAC-204, "DTC Logic"

[CIRC SHORT TO GRND OR OPEN]

Qashqai J11. Heater & Air conditioning Control System - part 11