Nissan Juke (2016 year). Service Repair Manual — part 31
BCS
COMPONENT PARTS
BCS-5
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
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SYSTEM DESCRIPTION
COMPONENT PARTS
BODY CONTROL SYSTEM
BODY CONTROL SYSTEM : Component Parts Location
INFOID:0000000012200686
POWER CONSUMPTION CONTROL SYSTEM
POWER CONSUMPTION CONTROL SYSTEM : Component Parts Location
INFOID:0000000012200687
1.
BCM
A.
Behind of instrument lower panel LH
(Left side)
JMMIA0577ZZ
1.
Combination meter
2.
Multi display unit
Refer to
3.
IPDM E/R
Refer to
4.
SYSTEM : Component Parts Loca-
tion"
JMMIA0635ZZ
Revision: November 2015
2016 JUKE
BCS-6
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
SYSTEM
SYSTEM
BODY CONTROL SYSTEM
BODY CONTROL SYSTEM : System Description
INFOID:0000000012200688
OUTLINE
• BCM (Body Control Module) controls the various electrical components. It inputs the information required to
the control from CAN communication and the signal received from each switch and sensor.
• BCM has combination switch reading function for reading the operation status of combination switches (light,
turn signal, wiper and washer) in addition to a function for controlling the operation of various electrical com-
ponents. It also has the signal transmission function as the passed point of signal and the power saving con-
trol function that reduces the power consumption with the ignition switch OFF.
• BCM is equipped with the diagnosis function that performs the diagnosis with CONSULT and various set-
tings.
BCM CONTROL FUNCTION LIST
System
Reference
Combination switch reading system
BCS-8, "COMBINATION SWITCH READING SYSTEM : System
Diagram"
Signal buffer system
BCS-12, "SIGNAL BUFFER SYSTEM : System Diagram"
Power consumption control system
BCS-13, "POWER CONSUMPTION CONTROL SYSTEM : Sys-
tem Diagram"
Auto light system
•
EXL-12, "AUTO LIGHT SYSTEM : System Diagram"
(Xenon
type headlamp)
•
EXL-124, "AUTO LIGHT SYSTEM : System Diagram"
(Halo-
gen type headlamp)
Turn signal and hazard warning lamp system
•
EXL-15, "TURN SIGNAL AND HAZARD WARNING LAMP
SYSTEM : System Diagram"
•
EXL-127, "TURN SIGNAL AND HAZARD WARNING LAMP
SYSTEM : System Diagram"
(Halogen type headlamp)
Headlamp system
•
EXL-11, "HEADLAMP SYSTEM : System Diagram"
(Xenon
type headlamp)
•
EXL-123, "HEADLAMP SYSTEM : System Diagram"
(Halogen
type headlamp)
Parking, license plate, side maker and tail lamps system
•
EXL-16, "PARKING, LICENSE PLATE, SIDE MARKER AND
TAIL LAMP SYSTEM : System Diagram"
(Xenon type head-
lamp)
•
EXL-128, "PARKING, LICENSE PLATE, SIDE MARKER AND
TAIL LAMP SYSTEM : System Diagram"
(Halogen type head-
lamp)
Front fog lamp system
•
EXL-17, "FRONT FOG LAMP SYSTEM : System Diagram"
(Xenon type headlamp)
•
EXL-129, "FRONT FOG LAMP SYSTEM : System Diagram"
(Halogen type headlamp)
Exterior lamp battery saver system
•
EXL-18, "EXTERIOR LAMP BATTERY SAVER SYSTEM :
System Diagram"
(Xenon type headlamp)
•
EXL-130, "EXTERIOR LAMP BATTERY SAVER SYSTEM :
System Diagram"
(Halogen type headlamp)
Daytime running light system
•
EXL-14, "DAYTIME RUNNING LIGHT SYSTEM : System Dia-
gram"
(Xenon type headlamp)
•
EXL-126, "DAYTIME RUNNING LIGHT SYSTEM : System Di-
agram"
(Halogen type headlamp)
Interior room lamp control system
INL-6, "INTERIOR ROOM LAMP CONTROL SYSTEM : System
Diagram"
Interior room lamp battery saver system
INL-8, "INTERIOR ROOM LAMP BATTERY SAVER SYSTEM :
System Diagram"
Illumination control system
INL-9, "ILLUMINATION CONTROL SYSTEM : System Diagram"
Revision: November 2015
2016 JUKE
BCS
SYSTEM
BCS-7
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
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BODY CONTROL SYSTEM : Fail-safe
INFOID:0000000012965013
FAIL-SAFE CONTROL BY DTC
BCM performs fail-safe control when any DTC are detected.
Front wiper and washer system
WW-7, "FRONT WIPER AND WASHER SYSTEM : System Dia-
gram"
Rear wiper and washer system
WW-10, "REAR WIPER AND WASHER SYSTEM : System Dia-
gram"
Warning chime system
WCS-7, "WARNING CHIME SYSTEM : System Diagram"
Power door lock system
Nissan Vehicle Immobilizer System (NVIS) - NATS
SEC-13, "NISSAN VEHICLE IMMOBILIZER SYSTEM-NATS :
System Diagram"
Vehicle security system
Theft warning alarm
SEC-16, "VEHICLE SECURITY SYSTEM : System Diagram"
Panic alarm
Rear window defogger system
•
DEF-7, "WITH AUTO A/C : System Diagram"
(With automatic
A/C)
•
DEF-7, "WITHOUT AUTO A/C : System Diagram"
(Without au-
tomatic A/C)
Intelligent Key system/engine start system
DLK-13, "INTELLIGENT KEY SYSTEM : System Diagram"
Back door opener system
Air conditioning control system
Automatic A/C
Manual A/C
Power window system
PWC-9, "POWER WINDOW SYSTEM : System Diagram"
Retained accessory power (Retain power operation)
PWC-9, "POWER WINDOW SYSTEM : System Description"
Tire pressure monitoring system (TPMS)
System
Reference
Display contents of CONSULT
Fail-safe
Cancellation
B2192: ID DISCORD BCM-ECM
Inhibit engine cranking
Erase DTC
B2193: CHAIN OF BCM-ECM
Inhibit engine cranking
Erase DTC
B2195: ANTI-SCANNING
Inhibit engine cranking
Ignition switch ON
→
OFF
B2196: DONGLE NG
Inhibit engine cranking
Erase DTC
B2198: NATS ANTENNA AMP
Inhibit engine cranking
Erase DTC
B2608: STARTER RELAY
Inhibit engine cranking
500 ms after the following signal communication status becomes con-
sistent
• Starter motor relay control signal
• Starter relay status signal (CAN)
B260F: ENG STATE SIG LOST
Inhibit engine cranking
When any of the following conditions are fulfilled
• Power position changes to ACC
• Receives engine status signal (CAN)
B26F1: IGN RELAY OFF
Inhibit engine cranking
When the following conditions are fulfilled
• Ignition switch ON signal (CAN: Transmitted from BCM): ON
• Ignition switch ON signal (CAN: Transmitted from IPDM E/R): ON
B26F2: IGN RELAY ON
Inhibit engine cranking
When the following conditions are fulfilled
• Ignition switch ON signal (CAN: Transmitted from BCM): OFF
• Ignition switch ON signal (CAN: Transmitted from IPDM E/R): OFF
B26F3: START CONT RLY ON
Inhibit engine cranking
When the following conditions are fulfilled
• Starter control relay signal (CAN: Transmitted from BCM): OFF
• Starter control relay signal (CAN: Transmitted from IPDM E/R): OFF
Revision: November 2015
2016 JUKE
BCS-8
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
SYSTEM
REAR WIPER MOTOR PROTECTION
BCM detects the rear wiper stopping position according to the rear wiper stop position signal.
When the rear wiper stop position signal does not change for more than 5 seconds while driving the rear
wiper, BCM stops power supply to protect the rear wiper motor.
Condition of cancellation
1. More than 1 minute is passed after the rear wiper stop.
2. Turn rear wiper switch OFF.
3. Operate the rear wiper switch or rear washer switch.
FAIL-SAFE CONTROL OF COMBINATION SWITCH READING FUNCTION CAUSED BY LOW
POWER SUPPLY VOLTAGE
If voltage of battery power supply lower, BCM maintains combination switch reading to the status when input
voltage is less than approximately 9 V.
NOTE:
When voltage of battery power supply is approximately 9 V or more, combination switch reading function
returns to normal operation.
COMBINATION SWITCH READING SYSTEM
COMBINATION SWITCH READING SYSTEM : System Diagram
INFOID:0000000012200690
NOTE:
*: TAIL LAMP switch links lighting switch 1ST and 2ND positions.
COMBINATION SWITCH READING SYSTEM : System Description
INFOID:0000000012200691
OUTLINE
• BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the
status of each switch.
• BCM has a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input terminals (INPUT 1 - 5). It reads a
maximum of 20 switch status.
COMBINATION SWITCH MATRIX
B26F4: START CONT RLY OFF
Inhibit engine cranking
When the following conditions are fulfilled
• Starter control relay signal (CAN: Transmitted from BCM): ON
• Starter control relay signal (CAN: Transmitted from IPDM E/R): ON
B26F7: BCM
Inhibit engine cranking
by Intelligent Key sys-
tem
When room antenna and luggage room antenna functions normally
Display contents of CONSULT
Fail-safe
Cancellation
JMMIA0636GB
Revision: November 2015
2016 JUKE
BCS
SYSTEM
BCS-9
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
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Combination switch circuit
NOTE:
*: TAIL LAMP switch links lighting switch 1ST and 2ND positions.
Combination switch INPUT-OUTPUT system list
NOTE:
Headlamp has a dual system switch.
COMBINATION SWITCH READING FUNCTION
Description
• BCM reads the status of the combination switch at 10 ms interval normally.
NOTE:
BCM reads the status of the combination switch at 60 ms interval when BCM is controlled at low power con-
sumption control mode.
• BCM operates as follows and judges the status of the combination switch.
- It operates the transistor on OUTPUT side in the following order: OUTPUT 1
→
2
→
3
→
4
→
5, and outputs
voltage waveform.
JMMIA0637GB
System
INPUT 1
INPUT 2
INPUT 3
INPUT 4
INPUT 5
OUTPUT 1
—
FR WASHER
FR WIPER LOW
TURN LH
TURN RH
OUTPUT 2
FR WIPER HI
—
FR WIPER INT
PASSING
HEADLAMP 1
OUTPUT 3
INT VOLUME 1
RR WASHER
—
HEADLAMP 2
HI BEAM
OUTPUT 4
RR WIPER INT
INT VOLUME 3
AUTO LIGHT
—
TAIL LAMP
OUTPUT 5
INT VOLUME 2
RR WIPER ON
—
FR FOG
—
JPMIA0609GB
Revision: November 2015
2016 JUKE
BCS-10
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
SYSTEM
- The voltage waveform of OUTPUT corresponding to the formed circuit is input into the interface on INPUT
side if any (1 or more) switches are ON.
- It reads this change of the voltage as the status signal of the combination switch.
Operation Example
In the following operation example, the combination of the status signals of the combination switch is replaced
as follows: INPUT 1 - 5 to “1 - 5” and OUTPUT 1 - 5 to “A - E”.
Example 1: When a switch (TAIL LAMP switch) is turned ON
• The circuit between OUTPUT 4 and INPUT 5 is formed when the TAIL LAMP switch is turned ON.
• BCM detects the combination switch status signal “5D” when the signal of OUTPUT 4 is input to INPUT 5.
• BCM judges that the TAIL LAMP switch is ON when the signal “5D” is detected.
Example 2: When some switches (TURN RH switch, TAIL LAMP switch) are turned ON
JMMIA0326GB
JPMIA1545GB
Revision: November 2015
2016 JUKE
BCS
SYSTEM
BCS-11
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
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• The circuits between OUTPUT 1 and INPUT 5 and between OUTPUT 4 and INPUT 5 are formed when the
TURN RH switch and TAIL LAMP switch are turned ON.
• BCM detects the combination switch status signal “5AD” when the signals of OUTPUT 1 and OUTPUT 4 are
input to INPUT 5.
• BCM judges that the TURN RH switch and TAIL LAMP switch are ON when the signal “5AD” is detected.
WIPER INTERMITTENT DIAL POSITION
BCM judges the wiper intermittent dial 1 - 7 by the status of INT VOLUME 1, 2 and 3 switches.
NOTE:
For details of wiper intermittent dial position, refer to
WW-7, "FRONT WIPER AND WASHER SYSTEM : System Description"
.
SIGNAL BUFFER SYSTEM
JPMIA1546GB
Wiper intermittent
dial position
Switch status
INT VOLUME 1
INT VOLUME 2
INT VOLUME 3
1
ON
ON
ON
2
ON
ON
OFF
3
ON
OFF
OFF
4
OFF
OFF
OFF
5
OFF
OFF
ON
6
OFF
ON
ON
7
OFF
ON
OFF
Revision: November 2015
2016 JUKE
BCS-12
< SYSTEM DESCRIPTION >
[WITH INTELLIGENT KEY SYSTEM]
SYSTEM
SIGNAL BUFFER SYSTEM : System Diagram
INFOID:0000000012200692
NOTE:
If vehicle models is gasoline engine models, oil pressure switch is not applied.
SIGNAL BUFFER SYSTEM : System Description
INFOID:0000000012200693
OUTLINE
BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.
Signal transmission function list
JMMIA0578GB
Signal name
Input
Output
Description
Ignition switch ON signal
Push-button ignition switch
(Push switch)
IPDM E/R (CAN)
Inputs the push-button ignition
switch (push switch) signal and
transmits the ignition switch sta-
tus judged with BCM via CAN
communication.
Door switch signal
Any door switch
• Combination meter (CAN)
• IPDM E/R (CAN)
Inputs the door switch signal
and transmits it via CAN com-
munication.
Blower fan ON signal
• A/C auto amp. (Auto A/C)
• A/C control (Manual A/C)
ECM (CAN)
Input blower fan switch signal,
and transmit the blower fan ON
signal via CAN communication.
A/C ON signal
• A/C auto amp. (Auto A/C)
• A/C control (Manual A/C)
ECM (CAN)
Input A/C ON signal (automatic
A/C) or A/C switch signal (man-
ual A/C), and transmit the A/C
ON signal via CAN communica-
tion.
Revision: November 2015
2016 JUKE
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