Nissan Quest E52. Instruction — part 730
HAC-50
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
DIAGNOSIS SYSTEM (A/C AUTO AMP.)
*1: The following display pattern will appear if front mode door motor harness connector is disconnected:
“31”
→
“32”
→
“33”
→
“34”
→
Return to “31”
*2: The following display pattern will appear if rear mode door motor harness connector is disconnected:
“35”
→
“36”
→
Return to “35”
*3: The following display pattern will appear if intake door motor harness connector is disconnected:
“37”
→
“38”
→
“39”
→
Return to “37”
NOTE:
Inspect door motor circuit, when all door motor system malfunction are detected. Refer to
STEP 4: OPERATION CHECK
Description
When STEP 4 is selected, each part operation is started with indicating “41” on the display.
Each time DEF switch is pressed, the display will change to “41”
→
“42”
→
“43”
→
“44”
→
“45”
→
“46”
→
“41”.
Operation Contents
Checks must be visually, by listening the sound or by touching air outlets with hand, etc. for improper opera-
tion.
Front air conditioning
*: With ACCS (Advanced Climate Control System)
Code No.
Corresponding door motor
Malfunctioning judgment condition
Reference
31
Front mode door motor
*1
When the malfunctioning door position is detect-
ed at VENT position
HAC-110, "Diagnosis Procedure"
32
When the malfunctioning door position is detect-
ed at B/L position
33
When the malfunctioning door position is detect-
ed at FOOT position
34
When the malfunctioning door position is detect-
ed at DEF position
35
Rear mode door motor
*2
When the malfunctioning door position is detect-
ed at VENT position
HAC-112, "Diagnosis Procedure"
36
When the malfunctioning door position is detect-
ed at FOOT position
37
Intake door motor
*3
When the malfunctioning door position is detect-
ed at FRE position
HAC-112, "Diagnosis Procedure"
38
When the malfunctioning door position is detect-
ed at 20% FRE position
39
When the malfunctioning door position is detect-
ed at REC position
Code
No.
Front mode
door position
Intake door po-
sition
Front air mix
door (driver
side/passenger
side) position
Front blower
motor control
signal (duty ra-
tio)
Magnet clutch
Ionizer
*
Display (Plas-
macluster
™
ion
operating
state)
*
41
VENT
REC
Full cold
35%
ON
ON
CLEAN
42
VENT
REC
Full cold
35%
ON
ON
CLEAN
43
B/L
20% FRE
Full cold
59%
ON
ON
QUICK
CLEAN
44
FOOT
FRE
Full hot
89%
OFF
ON
QUICK
CLEAN
45
D/F
FRE
Full hot
89%
OFF
ON
QUICK
CLEAN
46
DEF
FRE
Full hot
35%
ON
OFF
OFF
DIAGNOSIS SYSTEM (A/C AUTO AMP.)
HAC-51
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
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Rear air conditioning
STEP 5-1: EACH SENSOR RECOGNITION CHECK
Description
When STEP 5 is selected, “51” is indicated on the display.
Each time DEF switch is pressed, each sensor recognition temperature is changed in order of the following:
“51”
→
Ambient sensor recognition temperature
→
Front in-vehicle sensor recognition temperature
→
Intake
sensor recognition temperature
→
Rear in-vehicle sensor recognition temperature
→
“51”.
NOTE:
• When each sensor recognition temperature is negative temperature, A/C switch indicator turns ON.
• Each sensor recognition temperature is not displayed in less than
−
30
°
C (
−
22
°
F) or more than 55
°
C (131
°
F).
STEP 5-2: EEPROM SYSTEM DIAGNOSIS
Description
When STEP 5 is selected, “51” is indicated on the display.
When REC switch is pressed, “52” is indicated on the display.
Each time DEF switch is pressed, display is changed in order of the following:
“52”
→
Self-diagnosis result
→
“51”.
Self-diagnosis Result
• Normal: “0” is displayed.
• A malfunction is detected now: “40” is displayed.
• A malfunction was detected in the past: “1” – “39” is displayed. The number increases like “1”
→
“2”
→
“3” ···
“39” after returning to the normal condition whenever IGN OFF
→
ON. It returns to “1” when a malfunction is
detected again in the process.
• The number is fixed to “39” until the self-diagnosis result is erased if it is over “39”.
How to Erase Self-diagnosis
1.
Display the self-diagnosis result.
2.
Press A/C switch.
STEP 6-1: TEMPERATURE SETTING TRIMMER (FRONT/REAR)
Description
If the temperature felt by the customer is different from the air flow temperature (front/rear) controlled by the
temperature setting, the A/C auto amp. control temperature (front/rear) can be adjusted to compensate for the
temperature setting.
Setting Procedure
• Front air conditioning: Refer to
HAC-82, "Temperature Setting Trimmer (Front)"
.
• Rear air conditioning: Refer to
HAC-83, "Temperature Setting Trimmer (Rear)"
STEP 6-2: FOOT POSITION SETTING TRIMMER
Description
In FOOT mode, the air blowing to DEF can change ON/OFF.
Setting Procedure
HAC-84, "Foot Position Setting Trimmer"
.
STEP 6-3: INLET PORT MEMORY FUNCTION
Description
• Inlet port setting can be memorized when ignition switch is turned OFF.
Code
No.
Rear mode door position
Rear air mix door position
Rear blower motor control signal (duty
ratio)
41
VENT
Full cold
35%
42
VENT
Full cold
35%
43
B/L
Full cold
59%
44
FOOT
Full hot
89%
45
FOOT
Full hot
89%
46
FOOT
Full hot
35%
HAC-52
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
DIAGNOSIS SYSTEM (A/C AUTO AMP.)
• Inlet port setting can be selected from FRE (fresh air intake), REC (recirculation), or “Do not perform the
memory” when ignition switch is turned ON.
Setting Procedure
HAC-84, "Inlet Port Memory Function"
STEP 7: EXHAUST GAS/OUTSIDE ODOR DETECTING SENSOR SENSITIVITY ADJUSTMENT
FUNCTION
Description
According to customer
′
s sense of smell, exhaust gas/outside odor detecting sensor sensitivity can be
changed.
Setting Procedure
HAC-85, "Exhaust Gas/Outside Odor Detecting Sensor Sensitivity Adjustment Function"
STEP 8: AUTO INTAKE SWITCH INTERLOCKING MOVEMENT FUNCTION
Description
Condition for interlocking movement of AUTO intake switch and A/C switch can be changed. In addition oper-
ation of the AUTO intake switch, which activates the automatic intake control (exhaust gas/outside odor
detecting mechanism), can be set to become available when the A/C switch is ON.
Setting Procedure
HAC-85, "AUTO Intake Switch Interlocking Movement Change Function"
.
DIAGNOSIS SYSTEM (BCM)
HAC-53
< SYSTEM DESCRIPTION >
[AUTOMATIC AIR CONDITIONING]
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000009652531
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
NOTE:
*: For models with automatic air conditioning control system, this diagnosis mode is not used.
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
×
×
Interior room lamp control system
INT LAMP
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
×
Air conditioning control system
AIR CONDITONER
×
×
*
• Intelligent Key system
• Engine start system
INTELLIGENT KEY
×
×
×
Combination switch
COMB SW
×
Body control system
BCM
×
NVIS
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door open
TRUNK
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
AIR PRESSURE MONITOR
×
×
×
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