Nissan Versa Note. Instruction — part 86
BCS
SYSTEM
BCS-81
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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OUTLINE
• BCM incorporates a power saving 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 and combination meter) that operates 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 each switch changes from 10 ms interval to 60 ms interval.
SLEEP MODE ACTIVATION
• BCM receives the sleep-ready signal (ready) from IPDM E/R and combination meter via CAN communica-
tion.
• 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 performs the low power consumption control when all of the
BCM sleep conditions are fulfilled with CAN sleep condition.
Sleep condition
WAKE-UP OPERATION
• BCM transmits the sleep wake up signal (wake up) to each unit when any of the wake-up conditions are ful-
filled. It changes from the low power consumption mode to the normal mode.
• Each unit starts the transmission of CAN communication with the sleep wake up signal. Each unit transmits
the wake up signal to BCM via CAN communication to report the CAN communication start.
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: Not operation
• Stop lamp switch: OFF
• Turn signal indicator lamp: No operation
• Exterior lamp: OFF
• Door lock status: No change
• CONSULT communication status: No communication
• Door switch status: No change
• Rear window defogger: OFF
• Driver door lock status: No change
• Key switch status: No change
• Interior room lamp battery saver: Time out
• RAP system: OFF
• Nissan Vehicle Immobilizer System (NVIS) - NATS: No opera-
tion
• Remote keyless entry receiver communication status: No com-
munication
BCS-82
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
SYSTEM
Wake-up condition
• Receiving the sleep-ready signal (Not-ready) from any unit
• Hazard switch: OFF
→ON
• HI BEAM switch: OFF
→ON, ON→OFF
• PASSING switch: OFF
→ON, ON→OFF
• HEADLAMP 1 switch: OFF
→ON, ON→OFF
• HEADLAMP 2 switch: OFF
→ON, ON→OFF
• TAIL LAMP switch: OFF
→ON
• TURN LH: OFF
→ON, ON→OFF
• TURN RH: OFF
→ON, ON→OFF
• Front door switch LH: OFF
→ON, ON→OFF
• Front door switch RH: OFF
→ ON, ON → OFF
• Rear door switch LH: OFF
→ON, ON→OFF
• Rear door switch RH: OFF
→ ON, ON → OFF
• Stop lamp switch: ON
• Door lock and unlock switch: NEUTRAL
→ LOCK, NEUTRAL → UNLOCK
• Front door lock assembly LH (key cylinder switch): NEUTRAL
→ LOCK, NEUTRAL → UNLOCK
• Remote keyless entry receiver: Receiving valid keyfob
BCS
DIAGNOSIS SYSTEM (BCM)
BCS-83
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
INFOID:0000000009693620
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
ECU id
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CAN DIAG SUP
P
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T MNTR
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
×
Combination switch
COMB SW
×
BCM
BCM
×
×
×
×
×
Immobilizer
IMMU
×
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
AIR PRESSURE MONITOR
×
×
×
×
Panic alarm system
PANIC ALARM
×
BCS-84
< SYSTEM DESCRIPTION >
[WITHOUT INTELLIGENT KEY SYSTEM]
DIAGNOSIS SYSTEM (BCM)
DOOR LOCK
DOOR LOCK : CONSULT Function (BCM - DOOR LOCK)
INFOID:0000000009693621
DATA MONITOR
ACTIVE TEST
WORK SUPPORT
* : Initial setting
REAR DEFOGGER
REAR DEFOGGER : CONSULT Function (BCM - REAR DEFOGGER)
INFOID:0000000009693622
DATA MONITOR
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.
DOOR SW-BK [On/Off]
Indicates condition of back door 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.
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.
VEHICLE SPEED [km/h/mph]
Indicates vehicle speed signal received from combination meter on CAN communication line.
Test Item
Description
DOOR LOCK
This test is able to check door lock operation [OTR ULK/DR UNLK/ALL UNLK/ALL LCK].
Support Item
Setting
Description
AUTOMATIC DOOR LOCK SELECT
P RANGE
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
Lock/Unlock*
Automatic door locks function operates in lock and unlock.
Lock Only
Automatic door locks function operates in lock only.
Unlock Only
Automatic door locks function operates in unlock only.
Off
Automatic door locks function OFF.
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