Nissan Pathfinder (2012 year). Instruction — part 79
BCS-12
< SYSTEM DESCRIPTION >
SIGNAL BUFFER SYSTEM
SIGNAL BUFFER SYSTEM
System Diagram
INFOID:0000000007354907
System Description
INFOID:0000000007354908
OUTLINE
BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.
Signal transmission function list
ALMIA0263GB
Signal name
Input
Output
Description
Oil pressure switch signal
IPDM E/R (CAN)
Combination meter (CAN)
Transmits the received oil pres-
sure switch signal via CAN
communication.
August 2012
2012 Pathfinder
BCS
POWER CONSUMPTION CONTROL SYSTEM
BCS-13
< SYSTEM DESCRIPTION >
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POWER CONSUMPTION CONTROL SYSTEM
System Diagram
INFOID:0000000007354909
System Description
INFOID:0000000007354910
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
August 2012
2012 Pathfinder
BCS-14
< SYSTEM DESCRIPTION >
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 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)
August 2012
2012 Pathfinder
BCS
POWER CONSUMPTION CONTROL SYSTEM
BCS-15
< SYSTEM DESCRIPTION >
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Component Parts Location
INFOID:0000000007354911
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
August 2012
2012 Pathfinder
BCS-16
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000007354912
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions.
Direct Diagnostic Mode
Description
Ecu Identification
The BCM part number is displayed.
Self Diagnostic Result
The BCM self diagnostic results are displayed.
Data Monitor
The BCM input/output data is displayed in real time.
Active Test
The BCM activates outputs to test components.
Work support
The settings for BCM functions can be changed.
Configuration
• The vehicle specification can be read and saved.
• The vehicle specification can be written when replacing BCM.
CAN Diag Support Mntr
The result of transmit/receive diagnosis of CAN communication is displayed.
System
Sub System
Direct Diagnostic Mode
E
cu
Id
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tifi
ca
tio
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Se
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ag
no
st
ic Re
su
lt
Da
ta
Mo
ni
tor
A
cti
ve
T
est
W
o
rk support
Co
nf
igu
rat
ion
CA
N Diag
Su
pp
ort Mn
tr
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
×
×
Turn signal and hazard warning lamps FLASHER
×
×
Air conditioner
AIR CONDITIONER
×
Intelligent Key system
INTELLIGENT KEY
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
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
×
×
×
×
Panic alarm system
PANIC ALARM
×
August 2012
2012 Pathfinder
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-17
< SYSTEM DESCRIPTION >
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DOOR LOCK
DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)
INFOID:0000000007354913
DATA MONITOR
* : with Intelligent Key
** : without Intelligent Key
ACTIVE TEST
WORK SUPPORT
* : Initial setting
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
KEY ON SW [On/Off]
Indicates condition of key switch.
CDL LOCK SW [On/Off]
Indicates condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW [On/Off]
Indicates condition of unlock signal from 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.
I-KEY LOCK* [On/Off]
Indicates condition of lock signal from Intelligent Key.
I-KEY UNLOCK* [On/Off]
Indicates condition of unlock signal from Intelligent Key.
KEYLESS LOCK** [On/Off]
Indicates condition of lock signal from keyfob.
KEYLESS UNLOCK** [On/Off]
Indicates condition of unlock signal from keyfob.
Test Item
Description
DOOR LOCK
This test is able to check door lock operation [OTR ULK/DR UNLK/ALL ULK/ALL LCK].
Support Item
Setting
Description
DOOR LOCK-UNLOCK SET
On*
Automatic door locks function ON.
Off
Automatic door locks function OFF.
ANTI-LOCK OUT SET
Off
Anti lock out function OFF.
On*
Anti lock out function ON.
AUTOMATIC DOOR LOCK SELECT
SHIFT OUT
OF P
Doors lock automatically when shifted out of park (P).
VH SPD*
Doors lock automatically when vehicle speed reaches 24 km/h (15 mph).
AUTOMATIC DOOR UNLOCK
SELECT
MODE6
Drivers door unlocks automatically when key is removed.
MODE5
Drivers door unlocks automatically when shifted into park (P).
MODE4
Drivers door unlocks automatically when ignition is switched from ON to OFF.
MODE3
Doors unlock automatically when key is removed.
MODE2
Doors unlock automatically when shifted into park (P).
MODE1*
Doors unlock automatically when ignition is switched from ON to OFF.
AUTOMATIC LOCK/UNLOCK
SELECT
On*
Automatic lock/unlock function ON.
Off
Automatic lock/unlock function OFF.
August 2012
2012 Pathfinder
BCS-18
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (BCM)
REAR DEFOGGER
REAR DEFOGGER : CONSULT Function (BCM - REAR DEFOGGER)
INFOID:0000000007354914
DATA MONITOR
ACTIVE TEST
BUZZER
BUZZER : CONSULT Function (BCM - BUZZER)
INFOID:0000000007354915
DATA MONITOR
ACTIVE TEST
INT LAMP
INT LAMP : CONSULT Function (BCM - INT LAMP)
INFOID:0000000007354916
DATA MONITOR
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
ACC ON SW [On/Off]
Indicates condition of ignition switch ACC position.
REAR DEF SW [On/Off]
Indicates condition of rear window defogger switch.
Test Item
Description
REAR DEFOGGER
This test is able to check rear window defogger operation [Off/On].
Monitor Item [Unit]
Description
DOOR SW-DR [On/Off]
Indicates condition of front door switch LH.
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
KEY ON SW [On/Off]
Indicates condition of key switch.
LIGHT SW 1ST [On/Off]
Indicates condition of combination switch.
BUCKLE SW [On/Off]
Indicates condition of seat belt buckle switch.
Test Item
Description
SEAT BELT WARN TEST
This test is able to check seat belt warning operation [Off/On].
LIGHT WARN ALM
This test is able to check light reminder warning operation [Off/On].
IGN KEY WARN ALM
This test is able to check key warning chime operation [Off/On].
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
KEY ON SW [On/Off]
Indicates condition of key 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.
CDL LOCK SW [On/Off]
Indicates condition of lock signal from door lock and unlock switch.
August 2012
2012 Pathfinder
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-19
< SYSTEM DESCRIPTION >
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* : with Intelligent Key
** : without Intelligent Key
ACTIVE TEST
WORK SUPPORT
* : Initial setting
MULTI REMOTE ENT
MULTI REMOTE ENT : CONSULT Function (BCM - MULTI REMOTE ENT)
INFOID:0000000007354917
DATA MONITOR
CDL UNLOCK SW [On/Off]
Indicates condition of unlock signal from door lock and unlock switch.
I-KEY LOCK* [On/Off]
Indicates condition of lock signal from Intelligent Key.
I-KEY UNLOCK* [On/Off]
Indicates condition of unlock signal from Intelligent Key.
KEYLESS LOCK** [On/Off]
Indicates condition of lock signal from keyfob.
KEYLESS UNLOCK** [On/Off]
Indicates condition of unlock signal from keyfob.
Monitor Item [Unit]
Description
Test Item
Description
IGN ILLUM
This test is able to check ignition keyhole illumination operation [Off/On].
INT LAMP
This test is able to check interior room lamp operation [Off/On].
LUGGAGE LAMP TEST
This test is able to check cargo lamp operation [Off/On].
Support Item
Setting
Description
SET I/L D-UNLCK INTCON
Off
Interior room lamp timer function OFF.
On*
Interior room lamp timer function ON.
ROOM LAMP ON TIME SET
MODE7
0 sec.
Sets the interior room lamp gradual brightening time.
MODE6
5 sec.
MODE5
4 sec.
MODE4
3 sec.
MODE3
2 sec.
MODE2*
1 sec.
MODE1
0.5 sec.
ROOM LAMP OFF TIME SET
MODE7
0 sec.
Sets the interior room lamp gradual dimming time.
MODE6
5 sec.
MODE5
4 sec.
MODE4
3 sec.
MODE3
2 sec.
MODE2*
1 sec.
MODE1
0.5 sec.
Monitor Item [Unit]
Description
IGN ON SW [On/Off]
Indicates condition of ignition switch ON position.
KEY ON SW [On/Off]
Indicates condition of key switch.
ACC ON SW [On/Off]
Indicates condition of ignition switch ACC position.
KEYLESS LOCK [On/Off]
Indicates condition of lock signal from keyfob.
KEYLESS UNLOCK [On/Off]
Indicates condition of unlock signal from keyfob.
August 2012
2012 Pathfinder
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