Nissan Qashqai J11. Manual — part 1132
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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.
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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.
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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
×
×
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DIAGNOSIS SYSTEM (BCM)
HAC-167
< SYSTEM DESCRIPTION >
[MANUAL AIR CONDITIONING]
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HAC
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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.
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