Nissan Murano Z51. Manual — part 262
BCS
POWER CONSUMPTION CONTROL SYSTEM
BCS-15
< SYSTEM DESCRIPTION >
C
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Sleep condition
Wake-up operation
• BCM changes from the low power consumption mode to the CAN communication sleep mode when the any
of the BCM wake-up conditions is fulfilled. Only the control with BCM is activated.
• BCM transmits the sleep wake up signal (wake up) to each unit when any of the CAN wake-up conditions is
fulfilled. It changes from the low power consumption mode or the CAN communication sleep mode to the
normal mode.
• Each unit starts the transmission of CAN communication with the sleep wake up signal. In addition, the com-
bination meter transmits the wake up signal to BCM via CAN communication to report the CAN communica-
tion start.
Wake-up condition
CAN sleep condition
BCM sleep condition
• Receiving the sleep-ready signal (ready) from all units
• Ignition switch: OFF
• Vehicle security system and panic alarm: Not operation
• Warning chime: Not operation
• Intelligent Key system buzzer: Not operation
• Stop lamp switch: OFF
• Key slot (card switch) status: No change
• Turn signal indicator lamp: Not operation
• Exterior lamp: OFF
• Door lock status: No change
• CONSULT-III communication status: Not communication
• Meter display signal: Non-transmission
• Door switch status: No change
• Rear window defogger: OFF
• Auto back door: Not operation
• Interior room lamp battery saver: Time out
• RAP system: OFF
• Power window switch communication: No transmission
• Push-button ignition switch illumination: OFF
• Nissan Vehicle Immobilizer System (NVIS) - NATS: Not opera-
tion
• Remote keyless entry receiver communication status: No com-
munication
• Tire pressure monitor system (TPMS) - AIR PRESSURE MON-
ITOR: Stop
• LOCK indicator lamp: Not operation
• ACC indicator lamp: Not operation
• ON indicator lamp: Not operation
BCM wake-up condition
CAN wake-up condition
• Power window switch communication: Receiving
• Remote keyless entry receiver communication: Receiving
• Receiving the sleep-ready signal (Not-ready) from any units
• Key slot (key switch): OFF
→
ON, ON
→
OFF
• Push-button ignition switch (push switch): OFF
→
ON
• Hazard switch: OFF
→
ON
• PASSING switch: OFF
→
ON, ON
→
OFF
• TAIL LAMP switch: OFF
→
ON
• Driver door switch: OFF
→
ON, ON
→
OFF
• Passenger door switch: OFF
→
ON, ON
→
OFF
• Rear RH door switch: OFF
→
ON, ON
→
OFF
• Rear LH door switch: OFF
→
ON, ON
→
OFF
• Back door switch: OFF
→
ON, ON
→
OFF
• Driver door request switch: OFF
→
ON
• Passenger door request switch: OFF
→
ON
• Back door request switch: OFF
→
ON
• Stop lamp switch: ON
BCS-16
< SYSTEM DESCRIPTION >
POWER CONSUMPTION CONTROL SYSTEM
Component Parts Location
INFOID:0000000005518274
1.
Combination meter
2.
IPDM E/R
3.
BCM
4.
Driver seat control unit
5.
Automatic back door control unit
A.
Engine room (LH)
B.
Behind of combination meter
C.
Backside of the seat cushion (driver
seat)
D.
Dash side lower (Passenger side)
JPMIA0899ZZ
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-17
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000005518275
APPLICATION ITEM
CONSULT-III 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:
• *1: For models with rain sensor this mode is displayed, but is not used.
• *2: This item is displayed, but is not used.
FREEZE FRAME DATA (FFD)
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. Refer to CONSULT-III opera-
tion manual.
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 timer
INT LAMP
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
*
1
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
×
—
AIR CONDITONER*
2
• Intelligent Key system
• Engine start system
INTELLIGENT KEY
×
×
×
Combination switch
COMB SW
×
Body control system
BCM
×
NVIS - NATS
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door opener system
TRUNK
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
TPMS (AIR PRESSURE MONITOR)
×
×
×
BCS-18
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT-III.
DOOR LOCK
DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)
INFOID:0000000005683251
BCM CONSULT-III FUNCTION
CONSULT-III performs the following functions via CAN communication with BCM.
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.
Diagnosis mode
Function Description
WORK SUPPORT
Changes the setting for each system function.
DATA MONITOR
The BCM input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from BCM.
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