Nissan Pathfinder (2009 year). Manual — part 84
BCS
POWER CONSUMPTION CONTROL SYSTEM
BCS-13
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POWER CONSUMPTION CONTROL SYSTEM
System Diagram
INFOID:0000000003935253
System Description
INFOID:0000000003935254
OUTLINE
• BCM incorporates a power consumption control function that reduces the power consumption according to
the vehicle status.
• BCM switches the status (control mode) by itself with the power saving control function. It performs the sleep
request to each unit [IPDM E/R, combination meter and Intelligent Key unit (with Intelligent Key)] that oper-
ates with the ignition switch OFF.
Normal mode (wake-up)
- CAN communication is normally performed with other units
- Each control with BCM is operating properly
CAN communication sleep mode (CAN sleep)
- CAN transmission is stopped
- Control with BCM only is operating
Low power consumption mode (BCM sleep)
- Low power consumption control is active
- CAN transmission is stopped
LOW POWER CONSUMPTION CONTROL WITH BCM
BCM reduces the power consumption with the following operation in the low power consumption mode.
• The reading interval of the each switches changes from 10 ms interval to 20 ms interval.
Sleep mode activation
• BCM receives the sleep-ready signal (ready) from IPDM E/R, combination meter and Intelligent Key unit
(with Intelligent Key) via CAN communication.
• BCM transmits the sleep wake up signal (sleep) to each unit when all of the CAN sleep conditions are ful-
filled.
• Each unit stops the transmission of CAN communication with the sleep wake up signal. BCM is in CAN com-
munication sleep mode.
• BCM is in the low power consumption mode and perform the low power consumption control when all of the
BCM sleep conditions are fulfilled with CAN sleep condition.
AWMIA0019GB
2009 Pathfinder
BCS-14
< FUNCTION DIAGNOSIS >
POWER CONSUMPTION CONTROL SYSTEM
Sleep condition
Wake-up operation
• BCM transmits sleep wake up signal (wake up) to each unit when any condition listed below is established,
and then goes into normal mode from low power consumption mode.
• Each unit starts transmissions with CAN communication by receiving sleep wake up signals. Each unit trans-
mits wake up signals to BCM with CAN communication to convey the start of CAN communication.
Wake-up condition
CAN sleep condition
BCM sleep condition
• Receiving the sleep-ready signal (ready) from all units
• Ignition switch: OFF
• Vehicle security system alarm: No operation
• Warning lamp: No operation
• Warning chime: No operation
• Stop lamp switch: OFF
• Key switch status: No change for 2 seconds
• Hazard warning lamp: No operation
• Exterior lamp: OFF
• Door lock status: No change for 2 seconds
• CONSULT-III communication status: No communication
• Door switch status: No change for 2 seconds
The controls only BCM are completed.
(Interior room lamp battery saver: Time out etc.)
BCM wake-up condition
• Ignition switch: OFF
→
ACC or ON
• Stop lamp switch: ON (Depress brake pedal)
• Any door switch: OFF
→
ON
• Lighting switch: OFF
→
1ST or PASS
• Hazard switch: OFF
→
ON
• Back door opener switch OFF
→
ON
• Remote keyless entry receiver: Receiving (with remote keyless entry)
• Intelligent Key unit: Receiving (with Intelligent Key)
2009 Pathfinder
BCS
POWER CONSUMPTION CONTROL SYSTEM
BCS-15
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Component Parts Location
INFOID:0000000003935255
1.
BCM M18, M19, M20 (view with low-
er instrument lower panel LH re-
moved)
2.
Combination meter M24
3.
Intelligent Key unit M164 (with Intelli-
gent Key) (view with glove box re-
moved)
4.
IPDM E/R
ALMIA0309ZZ
2009 Pathfinder
BCS-16
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000003935256
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.
1: With remote keyless entry system
2: With Intelligent Key
BCM
Diagnosis mode
Function Description
WORK SUPPORT
Changes the setting for each system function.
SELF-DIAG RESULTS
Displays the diagnosis results judged by BCM. Refer to
CAN DIAG SUPPORT MNTR
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
• Enables to read and save the vehicle specification.
• Enables to write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
WORK SUPPORT
DATA MONITOR
ACTIVE TEST
BCM
BCM
×
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
1
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
Air conditioner
AIR CONDITONER
×
Intelligent Key system
2
INTELLIGENT KEY
×
Combination switch
COMB SW
×
Immobilizer
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door open
TRUNK
×
×
Theft alarm
THEFT ALM
×
×
×
RAP (retained accessory power)
RETAINED PWR
×
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS (tire pressure monitoring sys-
tem)
AIR PRESSURE MONITOR
×
×
×
Vehicle security system
PANIC ALARM
×
2009 Pathfinder
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-17
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BCM : CONSULT-III Function (BCM - BCM)
INFOID:0000000003935257
WORK SUPPORT
DOOR LOCK
DOOR LOCK : CONSULT-III Function (BCM - DOOR LOCK)
INFOID:0000000003935258
WORK SUPPORT
DATA MONITOR
1: With remote keyless entry system
2: With Intelligent Key
ACTIVE TEST
Item
Description
RESET SETTING VALUE
Return a value set with WORK SUPPORT of each system to a default value in factory shipment.
Work Item
Description
DOOR LOCK-UNLOCK SET
• ON
• OFF
AUTOMATIC DOOR LOCK SELECT
• SHIFT OUT OF P
• VH SPD
AUTOMATIC DOOR UNLOCK SE-
LECT
• MODE1
• MODE2
• MODE3
• MODE4
• MODE5
• MODE6
AUTOMATIC LOCK/UNLOCK SE-
LECT
• ON
• OFF
Monitor Item
[Unit}
Description
IGN ON SW [ON/OFF]
Indicates condition of ignition switch in ON position
KEY ON SW [ON/OFF]
Indicates condition of key switch
CDL LOCK SW [ON/OFF]
Indicates condition of door lock and unlock switch
CDL UNLOCK SW [ON/OFF]
Indicates condition of door lock and unlock switch
DOOR SW-DR [ON/OFF]
Indicates condition of front door switch LH
DOOR SW-AS [ON/OFF]
Indicates condition of front door switch RH
DOOR SW-RR [ON/OFF]
Indicates condition of rear door switch RH
DOOR SW-RL [ON/OFF]
Indicates condition of rear door switch LH
BACK DOOR SW [ON/OFF]
Indicates condition of back door switch
KEY CYL LK-SW [ON/OFF]
Indicates condition of lock signal from door key cylinder switch
KEY CYL UN-SW [ON/OFF]
Indicates condition of unlock signal from door key cylinder switch
KEYLESS LOCK
1
[ON/OFF]
Indicates condition of lock signal from keyfob
KEYLESS UNLOCK
1
[ON/OFF]
Indicates condition of unlock signal from keyfob
I-KEY LOCK
2
[ON/OFF]
Indicates condition of lock signal from Intelligent Key
I-KEY UNLOCK
2
[ON/OFF]
Indicates condition of unlock signal from Intelligent Key
2009 Pathfinder
BCS-18
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
REAR WINDOW DEFOGGER
REAR WINDOW DEFOGGER : CONSULT-III Function (BCM - REAR DEFOGGER)
INFOID:0000000003935259
DATA MONITOR
ACTIVE TEST
BUZZER
BUZZER : CONSULT-III Function (BCM - BUZZER)
INFOID:0000000003935260
DATA MONITOR
ACTIVE TEST
INT LAMP
Test Item
Description
DOOR LOCK
This test is able to check door lock operation [ALL LOCK/ALL UNLOCK/DR UNLOCK/
OTHER UNLOCK].
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Indicates condition of ignition switch in ON position
ACC ON SW [ON/OFF]
Indicates condition of ignition switch in ACC position
REAR DEF SW [ON/OFF]
Displays “Press (ON)/other (OFF)” status determined with the rear window defogger switch
Test Item
Description
REAR DEFOGGER
This test is able to check rear window defogger operation. Rear window defogger operates
when ’ON" on CONSULT-III screen is touched
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Ignition switch (ON) status judged by ignition power supply input
KEY ON SW [ON/OFF]
Key switch status
DOOR SW -DR [ON/OFF]
Front door switch (driver side) status judged by BCM
LIGHT SW 1ST [ON/OFF]
Lighting switch status judged by the lighting switch signal read with combination switch reading func-
tion
BUCKLE SW [ON/OFF]
Seat belt buckle switch status
Test Item
Description
LIGHT WARN ALM
The light reminder warning operation can be checked by operating the relevant function (On/Off).
IGN KEY WARN ALM
The key reminder warning operation can be checked by operating the relevant function (On/Off).
SEAT BELT WARN TEST
The seat belt warning operation can be checked by operating the relevant function (On/Off).
2009 Pathfinder
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-19
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INT LAMP : CONSULT-III Function (BCM - INT LAMP)
INFOID:0000000003935261
WORK SUPPORT
* : Initial setting
DATA MONITOR
JPLIA0093GB
Work Item
Setting item
Setting
SET I/L D-UNLCK INTCON
ON*
With the interior room lamp timer function
OFF
Without the interior room lamp timer function
ROOM LAMP ON TIME SET
MODE 1
0.5 sec.
Sets the interior room lamp gradual brightening time.
MODE 2*
1 sec.
MODE 3
2 sec.
MODE 4
3 sec.
MODE 5
0 sec.
ROOM LAMP OFF TIME SET
MODE 1
0.5 sec.
Sets the interior room lamp gradual dimming time.
MODE 2
1 sec.
MODE 3
2 sec.
MODE 4*
3 sec.
MODE 5
0 sec.
Monitor Item
[Unit]
Description
IGN ON SW [ON/OFF]
Ignition switch (ON) status judges from IGN signal (ignition power supply)
KEY ON SW [ON/OFF]
The switch status input from key switch
DOOR SW-DR [ON/OFF]
The switch status input from front door switch LH
DOOR SW-AS [ON/OFF]
The switch status input from front door switch RH
DOOR SW-RR [ON/OFF]
The switch status input from rear door switch RH
DOOR SW- RL [ON/OFF]
The switch status input from rear door switch LH
BACK DOOR SW [ON/OFF]
The switch status input from back door switch
KEY CYL LK-SW [ON/OFF]
Lock switch status input from door lock and unlock switch
KEY CYL UN-SW [ON/OFF]
Lock switch status input from door lock and unlock switch
CDL LOCK SW [ON/OFF]
Lock switch status input from door lock and unlock switch
CDL UNLOCK SW [ON/OFF]
Unlock switch status input from door lock and unlock switch
KEYLESS LOCK
1
[ON/OFF]
Lock signal status received from remote keyless entry receiver (integrated in the
BCM)
2009 Pathfinder
BCS-20
< FUNCTION DIAGNOSIS >
DIAGNOSIS SYSTEM (BCM)
1: With remote keyless entry
2: With Intelligent Key
ACTIVE TEST
MULTIREMOTE ENT
MULTIREMOTE ENT : CONSULT-III Function (BCM - MULTIREMOTE ENT)
INFOID:0000000003935262
WORK SUPPORT
KEYLESS UNLOCK
1
[ON/OFF]
Unlock signal status received from remote keyless entry receiver (integrated in the
BCM)
I-KEY LOCK
2
[ON/OFF]
Lock signal status received from Intelligent Key unit by CAN communication
I-KEY UNLOCK
2
[ON/OFF]
Unlock signal status received from Intelligent Key unit by CAN communication
Monitor Item
[Unit]
Description
Test Item
Operation
Description
INT LAMP
ON
Outputs the interior room lamp control signal to turn the interior room lamps ON.
OFF
Stops the interior room lamp control signal to turn the interior room lamps OFF.
IGN ILLUM
ON
Outputs the ignition keyhole illumination control signal to turn the ignition keyhole il-
lumination lamp ON.
OFF
Stops the ignition keyhole illumination control signal to turn the ignition keyhole illu-
mination lamp OFF.
STEP LAMP TEST
ON
Outputs the step lamp control signal to turn the step lamps ON.
OFF
Stops the step lamp control signal to turn the step lamps OFF.
LUGGAGE LAMP TEST
ON
Outputs the luggage lamp control signal to turn the luggage lamp ON.
OFF
Stops the luggage lamp control signal to turn the luggage lamp OFF.
Test Item
Description
REMO CONT ID REGIST
Keyfob ID code can be registered.
REMO CONT ID ERASUR
Keyfob ID code can be erased.
REMO CONT ID CONFIR
It can be checked whether keyfob ID code is registered or not in this mode.
HORN CHIRP SET
Horn chirp function mode can be changed in this mode. The function mode will be changed when
"CHANG SETT" on CONSULT-III screen is touched.
HAZARD LAMP SET
Hazard lamp function mode can be changed in this mode. The function mode will be changed when
"CHANG SETT" on CONSULT-III screen is touched.
MULTI ANSWER BACK SET
Hazard and horn reminder mode can be changed in this mode. The reminder mode will be changed
when “CHANG SETT” on CONSULT-III screen is touched.
AUTO LOCK SET
Auto locking function mode can be changed in this mode. The function mode will be changed when
"CHANG SETT" on CONSULT-III screen is touched.
PANIC ALRM SET
Panic alarm operation mode can be changed in this mode. The operation mode will be changed when
"CHANG SETT" on CONSULT-III screen is touched.
PW DOWN SET
Keyless power window down (open) operation mode can be changed in this mode. The operation
mode will be changed when "CHANG SETT" on CONSULT-III screen is touched.
2009 Pathfinder
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