Nissan Qashqai J11. Manual - part 1132

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

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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HAC

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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-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]

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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.