Nissan Pathfinder (2007 year). Manual — part 47
AIR CONDITIONER CONTROL
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ATC
2007 Pathfinder
Description of Control System
EJS004OP
The control system consists of input sensors, switches, the front air control (microcomputer) and outputs.
The relationship of these components is shown in the figure below:
Control Operation
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Front air control
WJIA1976E
WJIA1878E
ATC-28
AIR CONDITIONER CONTROL
2007 Pathfinder
DISPLAY SCREEN
Displays the operational status of the system.
AUTO SWITCH
●
The compressor, intake door, air mix doors, outlet doors and blower speed are automatically controlled so
that the in-vehicle temperature will reach, and be maintained at the set temperature selected by the oper-
ator.
●
When pressing AUTO switch, air inlet, air outlet, blower speed, and discharge air temperature are auto-
matically controlled.
TEMPERATURE CONTROL DIAL (TEMPERATURE CONTROL) (DRIVER SIDE)
Increases or decreases the set temperature.
TEMPERATURE CONTROL DIAL (TEMPERATURE CONTROL) (PASSENGER SIDE)
Increases or decreases the set temperature.
TEMPERATURE CONTROL DIAL (TEMPERATURE AND MODE CONTROL) (REAR)
Increases or decreases the set temperature. The mode also changes from foot at full hot setting, to foot/vent
mid-range (warm) setting, and then to vent on full cold setting.
RECIRCULATION () SWITCH
●
When REC switch is ON, REC switch indicator turns ON, and air inlet is set to REC.
●
When REC switch is turned OFF, or when compressor is turned from ON to OFF, REC switch is automati-
cally turned OFF. REC mode can be re-entered by pressing REC switch again.
●
REC switch is not operated when DEF switch is turned ON, or at the D/F position.
DEFROSTER () SWITCH
Positions the air outlet doors to the defrost position. Also positions the intake doors to the outside air position.
REAR WINDOW DEFOGGER SWITCH
When switch is ON, rear window is defogged.
OFF SWITCH
The compressor and blower are OFF, the intake doors are set to the outside air position, and the air outlet
doors are set to the foot (75% foot and 25% defrost) position.
A/C SWITCH
The compressor is ON or OFF.
(Pressing the A/C switch when the AUTO switch is ON will turn off the A/C switch and compressor.)
MODE SWITCH (FRONT)
Controls the air discharge outlets.
FRONT BLOWER CONTROL DIAL
Manually control the blower speed. Seven speeds are available for manual control (as shown on the display
screen on all models with Navi).
MODE SWITCH (REAR)
Controls the air/temperature at discharge outlets.
AIR CONDITIONER CONTROL
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ATC
2007 Pathfinder
Rear Air Control
TEMPERATURE CONTROL DIAL (TEMPERATURE AND MODE CONTROL)
The temperature increases or decreases the set temperature. The mode also changes from foot at full hot set-
ting, to foot/vent at mid-range (warm) setting, and then to vent at full cold setting.
REAR BLOWER CONTROL DIAL
When the rear blower switch (front) is in the OFF position, the rear blower motor cannot operate.
When the rear blower switch (front) is in the REAR position, it allows the rear blower switch (rear) to control
the rear blower motor speed. In any other position (1-4), the rear blower switch (front) controls the rear blower
motor speed regardless of the rear blower switch (rear) position.
WJIA1042E
ATC-30
AIR CONDITIONER CONTROL
2007 Pathfinder
Discharge Air Flow
EJS004OR
FRONT
REAR
Mode door position
Air outlet/distribution
Vent
Foot
Defroster
100%
0%
—
60%
40%
—
18%
64%
18%
14%
53%
33%
—
13%
87%
Airflow always present at driver and passenger side demisters
LJIA0172E
WJIA1076E
Mode door position
Air outlet/distribution
Roof Vent
Foot
Cool
80%
20%
Mid
80%
20%
Hot
80%
20%
Airflow distribution is always constant
AIR CONDITIONER CONTROL
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ATC
2007 Pathfinder
System Description (Front)
EJS004OS
SWITCHES AND THEIR CONTROL FUNCTION
WJIA1680E
WJIA1237E
ATC-32
AIR CONDITIONER CONTROL
2007 Pathfinder
System Description (Rear)
EJS004OT
SWITCHES AND THEIR CONTROL FUNCTION
WJIA0623E
WJIA1685E
AIR CONDITIONER CONTROL
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ATC
2007 Pathfinder
CAN Communication System Description
EJS004OU
Refer to
ATC-34
TROUBLE DIAGNOSIS
2007 Pathfinder
TROUBLE DIAGNOSIS
PFP:00004
CONSULT-II Function (BCM)
EJS004OV
CONSULT-II can display each diagnostic item using the diagnostic test modes shown following.
CONSULT-II START PROCEDURE
Refer to
GI-38, "CONSULT-II Start Procedure"
DATA MONITOR
Display Item List
How to Perform Trouble Diagnosis for Quick and Accurate Repair
EJS004OW
WORK FLOW
SYMPTOM TABLE
BCM diagnostic
test item
Diagnostic mode
Description
Inspection by part
WORK SUPPORT
Supports inspections and adjustments. Commands are transmitted to the BCM
for setting the status suitable for required operation, input/output signals are
received from the BCM and received data is displayed.
DATA MONITOR
Displays BCM input/output data in real time.
ACTIVE TEST
Operation of electrical loads can be checked by sending drive signal to them.
SELF-DIAG RESULTS
Displays BCM self-diagnosis results.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication can be read.
ECU PART NUMBER
BCM part number can be read.
CONFIGURATION
Performs BCM configuration read/write functions.
Monitor item name
“OPERATION OR UNIT”
Contents
IGN ON SW
“ON/OFF”
Displays “IGN Position (ON)/OFF, ACC Position (OFF)” status as judged from ignition switch signal.
COMP ON SIG
“ON/OFF”
Displays “COMP (ON)/COMP (OFF)” status as judged from air conditioner switch signal.
FAN ON SIG
“ON/OFF”
Displays “FAN (ON)/FAN (OFF)” status as judged from blower motor switch signal.
*1
ATC-52, "Operational Check (Front)"
or
.
SHA900E
Symptom
Reference Page
A/C system does not come on.
Go to Trouble Diagnosis Procedure for A/C System.
A/C system display is malfunctioning.
Go to Navigation System.
A/C system cannot be controlled.
Go to Self-diagnosis Function.
Air outlet does not change.
Go to Trouble Diagnosis Procedure for Mode Door Motor.
Mode door motor is malfunctioning.
Discharge air temperature does not change.
Go to Trouble Diagnosis Procedure for Air Mix Door Motor.
Air mix door motor is malfunctioning.
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