Nissan Qashqai J11. Manual — part 1806
SYSTEM
DEF-7
< SYSTEM DESCRIPTION >
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SYSTEM
System Description
INFOID:0000000010434110
SYSTEM DIAGRAM
Automatic Air Conditioning System
Except Automatic Air Conditioning System
REAR WINDOW DEFOGGER FUNCTION
• Turn rear window defogger switch ON when the ignition switch turns ON. Then integral switch (rear window
defogger switch) transmits rear window defogger switch signal to display control unit via communication line.
Display control unit transmits rear window defogger switch signal to BCM via CAN communication.
• BCM turns rear window defogger relay ON and transmits rear window defogger control signal to IPDM E/R
via CAN communication when rear window defogger switch signal is received.
• Rear window defogger and door mirror defogger are supplied with power and operate when rear window
defogger relay turns ON.
• IPDM E/R transmits rear window defogger control signal to display control unit via CAN communication.
• Display control unit transmit rear window defogger feedback signal to integral switch (rear window defogger
switch) via communication line, then rear window defogger indicator is illuminated.
REAR WINDOW DEFOGGER AND DOOR MIRROR DEFOGGER TIMER FUNCTION
• BCM turns rear window defogger relay ON for approximately 15 minutes when rear window defogger switch
turns ON. It makes rear window defogger, door mirror defogger.
• Timer is canceled after pressing rear window defogger switch again during timer operation. Then BCM turns
rear window defogger relay OFF. The same reaction also occurs during timer operation, if the ignition switch
is turned OFF.
FRONT WINDOW DEFOGGER FUNCTION
JMLIA5216GB
JMLIA5217GB
DEF-8
< SYSTEM DESCRIPTION >
SYSTEM
• Turns ON front window defogger switch (Front window defogger switch is on A/C control) while ignition
switch is ON, then front window defogger relay is controlled by A/C control to turn front window defogger
ON.
• Front window defogger turns OFF when any of the following condition is detected.
- Battery voltage is under 6 V (Front window defogger turns ON when battery voltage is 10 V or more).
- Electrical power cut freeze signal (permission) is not received from ECM.
- Vehicle power consumption is large.
• Front window defogger turns OFF when vehicle power consumption is large while front window defogger is
operating.
• Front window defogger turns OFF temporarily when rear window defogger is turned ON.
• Front window defogger turns ON again when rear window defogger timer is 4 minutes left. At this time when
vehicle power consumption is large, front window defogger relay LH and RH may turns ON alternately each
10 seconds.
• Front window defogger turns OFF when rear window defogger timer is expired
DIAGNOSIS SYSTEM (BCM)
DEF-9
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000010434112
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:
*: This item is displayed, but 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
×
×
×
Trunk lid open
TRUNK
×
Rear window defogger
REAR DEFOGGER
×
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
×
IVIS - NATS
IMMU
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Combination switch
COMB SW
×
RAP
RETAINED PWR
×
—
AIR CONDITONER*
×
Signal buffer system
SIGNAL BUFFER
×
×
Vehicle security
THEFT ALM
×
×
×
TPMS
AIR PRESSURE MONITOR
×
• Intelligent Key system
• Engine start system
INTELLIGENT KEY
×
×
×
Body control system
BCM
×
DEF-10
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
REAR WINDOW DEFOGGER
REAR WINDOW DEFOGGER : CONSULT Function (BCM - REAR DEFOGGER)
INFOID:0000000010434113
WORK SUPPORT
*
: Factory setting
DATA MONITOR
CONSULT screen item
Indication/Unit
Description
Vehicle Speed
km/h
Vehicle speed of the moment a particular DTC is detected
Odo/Trip Meter
km
Total mileage (Odometer value) of the moment a particular DTC is detected
Vehicle Condition
SLEEP>LOCK
Power position status of
the moment a particular
DTC is detected
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “LOCK”)
SLEEP>OFF
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “OFF”.)
LOCK>ACC
While turning power supply position from “LOCK” to “ACC”
ACC>ON
While turning power supply position from “ACC” to “IGN”
RUN>ACC
While turning power supply position from “RUN” to “ACC” (Vehicle
is stopping and selector lever is except P position.)
CRANK>RUN
While turning power supply position from “CRANKING” to “RUN”
(From cranking up the engine to run it)
RUN>URGENT
While turning power supply position from “RUN“ to “ACC” (Emer-
gency stop operation)
ACC>OFF
While turning power supply position from “ACC” to “OFF”
OFF>LOCK
While turning power supply position from “OFF” to “LOCK”
OFF>ACC
While turning power supply position from “OFF” to “ACC”
ON>CRANK
While turning power supply position from “IGN” to “CRANKING”
OFF>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “OFF”.) to low power consumption mode
LOCK>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “LOCK”.) to low power consumption mode
LOCK
Power supply position is “LOCK” (Ignition switch OFF with steer-
ing is locked.)
OFF
Power supply position is “OFF” (Ignition switch OFF with steering
is unlocked.)
ACC
Power supply position is “ACC” (Ignition switch ACC)
ON
Power supply position is “IGN” (Ignition switch ON with engine
stopped)
ENGINE RUN
Power supply position is “RUN” (Ignition switch ON with engine
running)
CRANKING
Power supply position is “CRANKING” (At engine cranking)
IGN Counter
0 - 39
The number of times that ignition switch is turned ON after DTC is detected
• The number is 0 when a malfunction is detected now.
• The number increases like 1
→
2
→
3...38
→
39 after returning to the normal condition
whenever ignition switch OFF
→
ON.
• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
Service item
Setting item
Description
SET R-DEF TIMER
MODE1
*
NOTE:
Do not use this function.
MODE2
MODE3
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