Nissan Murano Z51 (2008 year). Manual — part 320
VEHICLE SECURITY SYSTEM
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VEHICLE SECURITY SYSTEM
System Diagram
INFOID:0000000003375588
System Description
INFOID:0000000003375589
OPERATION FLOW
SETTING THE VEHICLE SECURITY SYSTEM
Initial Condition
• Ignition switch is in OFF position.
Disarmed Phase
• When any door or back door is open, the vehicle security system is set in the disarmed phase on the
assumption that the owner is inside or near the vehicle.
JMKIA3709GB
JMKIA2505GB
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VEHICLE SECURITY SYSTEM
• When the vehicle security system is in the disarmed phase, the security indicator lamp blinks every 2.4 sec-
onds.
Pre-armed Phase and Armed Phase
When the following operation is performed, the vehicle security system turns into the “pre-armed” phase. (The
security indicator lamp illuminates.)
1.
BCM receives LOCK signal from front door request switch, Intelligent Key or door key cylinder, after back
door and all doors are closed.
2.
Security indicator lamp illuminates for 30 seconds. Then, the system automatically shifts into the “armed”
phase.
CANCELING THE SET VEHICLE SECURITY SYSTEM
When one of the following operations is performed, the armed phase is canceled.
1.
Unlock the all doors with the door request switch, Intelligent Key or door key cylinder.
2.
Turn ignition switch “ON” or “ACC” position.
CANCELING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM
When unlocking the all doors with the door request switch, Intelligent Key or door key cylinder switch the alarm
operation is canceled.
ACTIVATING THE ALARM OPERATION OF THE VEHICLE SECURITY SYSTEM
Check that the system is in the armed phase. (The security indicator lamp blinks every 2.4 seconds.)
When the following operation 1 or 2 is performed, the system sounds the horns and flashes the headlamps for
about 50 seconds.
1.
Back door or any door is opened during armed phase.
2.
Disconnecting and connecting the battery connector before canceling armed phase.
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VEHICLE SECURITY SYSTEM
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Component Parts Location
INFOID:0000000003468563
1.
BCM M118, M119, M121, M122, M123
2.
TCM F23
3.
IPDM E/R E10, E11, F12
4.
ECM E16
5.
Push-button ignition switch M101
6.
Key slot M99
7.
Combination meter (key warning lamp)
M34
8.
Security indicator lamp M100
9.
Horn (high) E340, E341
10. Horn (low) E342, E343
11.
Control device (detention switch) M57 12. Stop lamp switch
TYPE A: E115
TYPE B: E116
13. Remote keyless entry receiver M78
A.
Behind the combination meter
B.
Engine room (LH)
C.
View with the center console as-
sembly removed
D.
Behind the instrument lower panel LH
E.
Behind the instrument lower panel RH
JMKIA1825ZZ
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VEHICLE SECURITY SYSTEM
Component Description
INFOID:0000000003375591
1.
Inside key antenna (instrument cen-
ter) M105
2.
Inside key antenna (console) M305
3.
Inside key antenna (luggage room)
B86
4.
Back door lock assembly (back door
switch) D180
5.
Front door switch (driver side) B34
6.
power window main switch (door
lock and unlock switch) D5, D6
7.
Front power window switch (passen-
ger side) D45
A.
Behind the cluster lid C assembly
B.
Under the rear seat seatback
JMKIA1826ZZ
Component Reference
BCM
Horn relay 1
Horn relay 2
Security indicator lamp
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Door switch
Back door lock assembly (back door witch)
Door key cylinder switch
Component Reference
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DIAGNOSIS SYSTEM (BCM)
DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000003566303
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: At models with Intelligent Key system this item is displayed, but is not used.
• *2: At models with rain sensor this mode is displayed, but is not used.
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
×
×
×
Remote keyless entry system
MULTI REMOTE ENT*
1
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
*
2
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
×
—
AIR CONDITONER*
3
• 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)
×
×
×
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• *3: This item is displayed, but is not used.
FREEZE FRAME DATA (FFD)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT-III.
INTELLIGENT KEY
INTELLIGENT KEY : CONSULT-III Function (BCM - INTELLIGENT KEY)
INFOID:0000000003375593
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.
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DIAGNOSIS SYSTEM (BCM)
WORK SUPPORT
SELF-DIAG RESULT
Diagnosis mode
Function Description
WORK SUPPORT
Changes the setting for each system function.
SELF-DIAG RESULTS
Displays the diagnosis results judged by BCM.
DATA MONITOR
The BCM input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from BCM.
Monitor item
Description
REMO CONT ID CONFIR
It can be checked whether Intelligent Key ID code is registered or not in this mode.
AUTO LOCK SET
Auto door lock time can be changed in this mode.
• MODE 1: 1 minute
• MODE 2: 5 minutes
• MODE 3: 30 seconds
• MODE 4: 2 minutes
LOCK/UNLOCK BY I-KEY
Door lock/unlock function by door request switch (driver side, passenger side and back door) mode
can be changed to operate (ON) or not operate (OFF) in this mode.
ENGINE START BY I-KEY
Engine start function mode can be changed to operate (ON) or not operate (OFF) with this mode.
TRUNK/GLASS HATCH OPEN
Buzzer reminder function mode by back door request switch can be changed to operate (ON) or
not operate (OFF) with this mode.
PANIC ALARM SET
Panic alarm button pressing time on Intelligent Key remote control button can be selected from the
following with this mode.
• MODE 1: 0.5 sec.
• MODE 2: Non-operation
• MODE 3: 1.5 sec.
PW DOWN SET
Unlock button pressing time on Intelligent Key button can be selected from the following with this
mode.
• MODE 1: 3 sec.
• MODE 2: Non-operation
• MODE 3: 5 sec.
TRUNK OPEN DELAY
NOTE:
This item is displayed, but cannot be supported.
LO- BATT OF KEY FOB WARN
Intelligent Key low battery warning mode can be changed to operate (ON) or not operate (OFF)
with this mode.
ANTI KEY LOCK IN FUNCTI
Key reminder function mode can be changed to operate (ON) or not operate (OFF) with this mode.
HAZARD ANSWER BACK
Hazard reminder function mode can be selected from the following with this mode.
• LOCK ONLY: Door lock operation only
• UNLOCK ONLY: Door unlock operation only
• LOCK/UNLOCK: Lock/unlock operation
• OFF: Non-operation
ANS BACK I-KEY LOCK
Buzzer reminder function (lock operation) mode by door request switch (driver side and passenger
side) can be selected from the following with this mode.
• Horn chirp: Sound horn
• Buzzer: Sound Intelligent Key warning buzzer
• OFF: Non-operation
ANS BACK I-KEY UNLOCK
Buzzer reminder function (unlock operation) mode by door request switch can be changed to op-
erate (ON) or not operate (OFF) with this mode.
SHORT CRANKING OUTPUT
Starter motor can operate during the times below.
• 70 msec
• 100 msec
• 200 msec
INSIDE ANT DIAGNOSIS
This function allows inside key antenna self-diagnosis.
HORN WITH KEYLESS LOCK
Horn reminder function mode by Intelligent Key button can be changed to operate (ON) or not op-
erate (OFF) with this mode.
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DATA MONITOR
Monitor Item
Condition
REQ SW -DR
Indicates [ON/OFF] condition of door request switch (driver side).
REQ SW -AS
Indicates [ON/OFF] condition of door request switch (passenger side).
REQ SW -RR
NOTE:
This item is displayed, but cannot be monitored.
REQ SW -RL
NOTE:
This item is displayed, but cannot be monitored.
REQ SW -BD/TR
Indicates [ON/OFF] condition of back door request switch.
PUSH SW
Indicates [ON/OFF] condition of push-button ignition switch.
IGN RLY2 -F/B
Indicates [ON/OFF] condition of ignition relay 2.
ACC RLY-FB
NOTE:
This item is displayed, but cannot be monitored.
CLUCH SW
NOTE:
This item is displayed, but cannot be monitored.
BRAKE SW 1
Indicates [ON/OFF]* condition of brake switch power supply.
BRAKE SW 2
Indicates [ON/OFF] condition of brake switch.
DETE/CANCL SW
Indicates [ON/OFF] condition of P position.
SFT PN/N SW
Indicates [ON/OFF] condition of P or N position.
S/L -LOCK
Indicates [ON/OFF] condition of steering lock unit (LOCK).
S/L -UNLOCK
Indicates [ON/OFF] condition of steering lock unit (UNLOCK).
S/L RELAY -F/B
Indicates [ON/OFF] condition of ignition switch.
UNLK SEN -DR
Indicates [ON/OFF] condition of driver door UNLOCK status.
PUSH SW -IPDM
Indicates [ON/OFF] condition of push-button ignition switch.
IGN RLY1 -F/B
Indicates [ON/OFF] condition of ignition relay 1.
DETE SW -IPDM
Indicates [ON/OFF] condition of P position.
SFT PN -IPDM
Indicates [ON/OFF] condition of P or N position.
SFT P -MET
Indicates [ON/OFF] condition of P position.
SFT N -MET
Indicates [ON/OFF] condition of N position.
ENGINE STATE
Indicates [STOP/START/CRANK/RUN] condition of engine states.
S/L LOCK-IPDM
Indicates [ON/OFF] condition of steering lock unit (LOCK).
S/L UNLK-IPDM
Indicates [ON/OFF] condition of steering lock unit (UNLOCK).
S/L RELAY-REQ
Indicates [ON/OFF] condition of steering lock relay.
VEH SPEED 1
Display the vehicle speed signal received from combination meter by numerical value [Km/h].
VEH SPEED 2
Display the vehicle speed signal received from ABS or VDC or CVT by numerical value [Km/h].
DOOR STAT-DR
Indicates [LOCK/READY/UNLOCK] condition of driver side door status.
DOOR STAT-AS
Indicates [LOCK/READY/UNLOCK] condition of passenger side door status.
ID OK FLAG
Indicates [SET/RESET] condition of key ID.
PRMT ENG STRT
Indicates [SET/RESET] condition of engine start possibility.
PRMT RKE STRT
NOTE:
This item is displayed, but cannot be monitored.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
TRNK/HAT MNTR
NOTE:
This item is displayed, but cannot be monitored.
RKE-LOCK
Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
RKE-UNLOCK
Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
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DIAGNOSIS SYSTEM (BCM)
*: OFF is displayed when brake pedal is depressed while brake switch power supply is OFF.
ACTIVE TEST
RKE-TR/BD
NOTE:
This item is displayed, but cannot be monitored.
RKE-PANIC
Indicates [ON/OFF] condition of PANIC button of Intelligent Key.
RKE-P/W OPEN
Indicates [ON/OFF] condition of P/W DOWN signal from Intelligent Key.
RKE-MODE CHG
Indicates [ON/OFF] condition of MODE CHANGE signal from Intelligent Key.
RKE OPE COUN1
When remote keyless entry receiver receives the signal transmitted while operating on Intelligent Key, the
numerical value start changing.
RKE OPE COUN2
NOTE:
This item is displayed, but cannot be monitored.
Monitor Item
Condition
Test item
Description
BATTERY SAVER
This test is able to check interior room lamp operation.
The interior room lamp will be activated after “ON” on CONSULT-III screen is touched.
PW REMOTO DOWN SET
This test is able to check power window down operation.
The power window down will be activated after “ON” on CONSULT-III screen is touched.
INSIDE BUZZER
This test is able to check warning chime in combination meter operation.
• Take away warning chime sounds when “TAKE OUT” on CONSULT-III screen is touched.
• Key warning chime sounds when “KEY WARN” on CONSULT-III screen is touched.
• P position warning chime sounds when “P RNG WARN” on CONSULT-III screen is touched.
• ACC warning chime sounds when “ACC WARN” on CONSULT-III screen is touched.
OUTSIDE BUZZER
This test is able to check Intelligent Key warning buzzer operation.
The Intelligent Key warning buzzer will be activated after “ON” on CONSULT-III screen is touched.
INDICATOR
This test is able to check warning lamp operation.
• “KEY” Warning lamp illuminates when “KEY ON” on CONSULT-III screen is touched.
• “KEY” Warning lamp flashes when “KEY IND” on CONSULT-III screen is touched.
INT LAMP
This test is able to check interior room lamp operation.
The interior room lamp will be activated after “ON” on CONSULT-III screen is touched.
LCD
This test is able to check meter display information
• Engine start information displays when “BP N” on CONSULT-III screen is touched.
• Engine start information displays when “BP I” on CONSULT-III screen is touched.
• Key ID warning displays when “ID NG” on CONSULT-III screen is touched.
• Steering lock information displays when “ROTAT” on CONSULT-III screen is touched.
• P position warning displays when “SFT P” on CONSULT-III screen is touched.
• Intelligent Key insert information displays when “INSRT” on CONSULT-III screen is touched.
• Intelligent Key low battery warning displays when “BATT” on CONSULT-III screen is touched.
• Take away through window warning displays when “NO KY” on CONSULT-III screen is touched.
• Take away warning display when “OUTKEY” on CONSULT-III screen is touched.
• OFF position warning display when “LK WN” on CONSULT-III screen is touched.
TRUNK/GLASS HATCH
This test is able to check back door opener actuator open operation.
This actuator opens when “ON” on CONSULT-III screen is touched.
FLASHER
This test is able to check hazard warning lamp operation.
The hazard warning lamps will be activated after “ON” on CONSULT-III screen is touched.
HORN
This test is able to check horn operation.
The horn will be activated after “ON” on CONSULT-III screen is touched.
IGN CONT2
This test is able to check ignition relay operation.
The ignition relay will be activated after “ON” on CONSULT-III screen is touched.
P RANGE
This test is able to check control device power supply
Control device power is supplied when “ON” on CONSULT-III screen is touched.
ENGINE SW ILLUMI
This test is able to check push-ignition switch illumination operation.
Push-ignition switch illumination illuminates when “ON” on CONSULT-III screen is touched.
LOCK INDICATOR
NOTE:
This item is displayed, but cannot be tested.
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THEFT ALM
THEFT ALM : CONSULT-III Function (BCM - THEFT)
INFOID:0000000003375594
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
DATA MONITOR
ACC INDICATOR
This test is able to check indicator in push-ignition switch operation.
Indicator in push-button ignition switch illuminates when “ON” on CONSULT-III screen is touched.
IGNITION ON IND
This test is able to check indicator in push-ignition switch operation.
Indicator in push-button ignition switch illuminates when “ON” on CONSULT-III screen is touched.
KEY SLOT ILLUMI
This test is able to check key slot illumination operation.
Key slot illumination flash when “ON” on CONSULT-III screen is touched.
AUTOMATIC BACK DOOR
NOTE:
This item is displayed, but cannot be tested.
AUTOMATIC SLIDING DOOR
NOTE:
This item is displayed, but cannot be tested.
Test item
Description
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.
Monitored Item
Description
REQ SW -DR
Indicates [ON/OFF] condition of door request switch (driver side).
REQ SW -AS
Indicates [ON/OFF] condition of door request switch (passenger side).
REQ SW -RR
NOTE:
This is displayed even when it is not equipped.
REQ SW -RL
NOTE:
This is displayed even when it is not equipped.
REQ SW -BD/TR
Indicates [ON/OFF] condition of back door request switch.
PUSH SW
Indicates [ON/OFF] condition of push-button ignition switch
UNLK SEN -DR
Indicates [ON/OFF] condition of driver door UNLOCK status.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
DOOR SW-DR
Indicates [ON/OFF] condition of front door switch LH.
DOOR SW-AS
Indicates [ON/OFF] condition of front door switch RH.
DOOR SW-RR
Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL
Indicates [ON/OFF] condition of rear door switch LH.
DOOR SW-BK
Indicates [ON/OFF] condition of back door switch.
CDL LOCK SW
Indicates [ON/OFF] condition of lock signal from door lock/unlock switch LH and RH.
CDL UNLOCK SW
Indicates [ON/OFF] condition of unlock signal from door lock/unlock switch LH and RH.
KEY CYL LK-SW
Indicates [ON/OFF] condition of lock signal from front door key cylinder switch.
KEY CYL UN-SW
Indicates [ON/OFF] condition of unlock signal from front door key cylinder switch.
KEY CYL SW-TR
NOTE:
This is displayed even when it is not equipped.
TR/BD OPEN SW
Indicates [ON/OFF] condition of back door opener switch.
TRNK/HAT MNTR
NOTE:
This is displayed even when it is not equipped.
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DIAGNOSIS SYSTEM (BCM)
WORK SUPPORT
ACTIVE TEST
IMMU
IMMU : CONSULT-III Function (BCM - IMMU)
INFOID:0000000003375595
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
DATA MONITOR
ACTIVE TEST
RKE-LOCK
Indicates [ON/OFF] condition of LOCK signal from Intelligent Key.
RKE-UNLOCK
Indicates [ON/OFF] condition of UNLOCK signal from Intelligent Key.
RKE-TR/BD
NOTE:
This is displayed even when it is not equipped.
Monitored Item
Description
Test Item
Description
SECURITY ALARM SET
This mode is able to confirm and change security alarm ON-OFF setting.
THEFT ALM TRG
The switch which triggered vehicle security alarm is recorded. This mode is able to confirm and
erase the record of vehicle security alarm. The trigger data can be erased by touching “CLEAR” on
CONSULT-III screen.
Test Item
Description
THEFT IND
This test is able to check security indicator lamp operation. The lamp will be turned on when “ON”
on CONSULT-III screen is touched.
VEHICLE SECURITY HORN
This test is able to check vehicle security horn operation. The horns will be activated for 0.5 sec-
onds after “ON” on CONSULT-III screen is touched.
HEADLAMP(HI)
This test is able to check vehicle security lamp operation. The headlamps will be activated for 0.5
seconds after “ON” on CONSULT-III screen is touched.
FLASHER
This test is able to check vehicle security hazard lamp operation. The hazard lamps will be activat-
ed after “ON” on CONSULT-III screen is touched.
Diagnosis mode
Function Description
DATA MONITOR
The BCM input/output signals are displayed.
ACTIVE TEST
The signals used to activate each device are forcibly supplied from BCM.
Monitor item
Content
CONFRM ID ALL
Indicates [YET] at all time.
Switch to [DONE] when a registered Intelligent Key is inserted into the key slot.
CONFIRM ID4
CONFIRM ID3
CONFIRM ID2
CONFIRM ID1
TP 4
Indicates the number of ID which has been registered.
TP 3
TP 2
TP 1
PUSH SW
Indicates [ON/OFF] condition of push-button ignition switch.
KEY SW -SLOT
Indicates [ON/OFF] condition of key slot.
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Test item
Description
THEFT IND
This test is able to check security indicator lamp operation.
The lamp will be turned on when “ON” on CONSULT-III screen touched.
Revision: 2008 October
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< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1000 CAN COMM CIRCUIT
COMPONENT DIAGNOSIS
U1000 CAN COMM CIRCUIT
BCM
BCM : Description
INFOID:0000000003375596
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN H-line, CAN L-line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-25, "CAN Communication Signal Chart"
BCM : DTC Logic
INFOID:0000000003375597
DTC DETECTION LOGIC
BCM : Diagnosis Procedure
INFOID:0000000003375598
1.
PERFORM SELF DIAGNOSTIC
1.
Turn ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result”.
Is “U1000: CAN COMM CIRCUIT” displayed?
YES
>> Refer to
LAN-16, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
IPDM E/R
IPDM E/R : Description
INFOID:0000000003586759
CAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Modern
vehicle is equipped with many electronic control unit, and each control unit shares information and links with
other control units during operation (not independent). In CAN communication, control units are connected
with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less
wiring. Each control unit transmits/receives data but selectively reads required data only.
CAN Communication Signal Chart. Refer to
LAN-25, "CAN Communication Signal Chart"
IPDM E/R : DTC Logic
INFOID:0000000003586760
DTC DETECTION LOGIC
IPDM E/R : Diagnosis Procedure
INFOID:0000000003586761
1.
PERFORM SELF DIAGNOSTIC
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When BCM cannot communicate CAN com-
munication signal continuously for 2 seconds
or more.
CAN communication system
DTC
CONSULT-III display
description
DTC Detection Condition
Possible cause
U1000
CAN COMM CIRCUIT
When IPDM E/R cannot communicate CAN
communication signal continuously for 2
seconds or more
CAN communication system
Revision: 2008 October
2009 Murano
U1000 CAN COMM CIRCUIT
SEC-37
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
C
D
E
F
G
H
I
J
L
M
A
B
SEC
N
O
P
1.
Turn the ignition switch ON and wait for 2 seconds or more.
2.
Check “Self Diagnostic Result” of IPDM E/R.
Is DTC “U1000” displayed?
YES
>> Refer to
LAN-16, "Trouble Diagnosis Flow Chart"
NO
>> Refer to
GI-40, "Intermittent Incident"
.
Revision: 2008 October
2009 Murano
SEC-38
< COMPONENT DIAGNOSIS >
[WITH INTELLIGENT KEY SYSTEM]
U1010 CONTROL UNIT (CAN)
U1010 CONTROL UNIT (CAN)
BCM
BCM : DTC Logic
INFOID:0000000003375599
DTC DETECTION LOGIC
BCM : Diagnosis Procedure
INFOID:0000000003375600
1.
REPLACE BCM
When DTC “U1010: CONTROL UNIT (CAN)” is detected, replace BCM.
>> Replace BCM. Refer to
BCM : Special Repair Requirement
INFOID:0000000003375601
1.
REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to CONSULT-III operation manual NATS-IVIS/NVIS.
>> Work end.
DTC
CONSULT-III display de-
scription
DTC Detection Condition
Possible cause
U1010
CONTROL UNIT (CAN)
BCM detected internal CAN communication circuit malfunction.
BCM
Revision: 2008 October
2009 Murano
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