Nissan Murano Z50 (2006 year). Manual — part 27
POWER DOOR LOCK SYSTEM
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Revision: 2006 August
2006 Murano
CAN Communication System Description
NIS00163
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, 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 Unit
NIS00164
Refer to
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POWER DOOR LOCK SYSTEM
Revision: 2006 August
2006 Murano
Schematic / With Intelligent Key
NIS00165
TIWB0132E
POWER DOOR LOCK SYSTEM
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2006 Murano
Wiring Diagram -D/LOCK- / With Intelligent Key
NIS00166
TIWB0769E
BL-30
POWER DOOR LOCK SYSTEM
Revision: 2006 August
2006 Murano
TIWB0134E
POWER DOOR LOCK SYSTEM
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2006 Murano
TIWB0135E
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POWER DOOR LOCK SYSTEM
Revision: 2006 August
2006 Murano
TIWB0136E
POWER DOOR LOCK SYSTEM
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2006 Murano
TIWB0770E
BL-34
POWER DOOR LOCK SYSTEM
Revision: 2006 August
2006 Murano
Schematic / Without Intelligent Key
NIS00167
TIWB0138E
POWER DOOR LOCK SYSTEM
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2006 Murano
Wiring Diagram -D/LOCK- / Without Intelligent Key
NIS00168
TIWB0771E
BL-36
POWER DOOR LOCK SYSTEM
Revision: 2006 August
2006 Murano
TIWB0140E
POWER DOOR LOCK SYSTEM
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Revision: 2006 August
2006 Murano
TIWB0141E
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POWER DOOR LOCK SYSTEM
Revision: 2006 August
2006 Murano
TIWB0772E
POWER DOOR LOCK SYSTEM
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Terminals and Reference Value for BCM
NIS00169
*
1
: With Intelligent Key
*
2
: In the state that room lamp switch is in "DOOR" position.
TER-
MINA
L
WIRE
COLO
R
ITEM
Signal
input/out-
put
CONDITION
VOLTAGE [V]
(Approx.)
1
R/Y
Key ring illumination out-
put signal
Output
Key ring illumination is lighting.
Battery voltage
Key ring illumination is being turned
off.
0
12
R
R/G*
1
Front door switch
(Passenger side)
Input
ON (Door is opened)
→
OFF (Door is
closed)
0
→
Battery voltage
13
R/Y
R/W*
1
Rear door switch RH
Input
ON (Door is opened)
→
OFF (Door is
closed)
0
→
Battery voltage
22
BR/W
Power window serial link
Input/out-
put
Ignition switch (ON or power window
timer operating)
37
B/R
Key switch
Input
Key switch ON (key is inserted in igni-
tion key cylinder)
Battery voltage
Key switch OFF (key is removed from
ignition key cylinder)
0
39
L
CAN-H
Input/out-
put
—
—
40
Y
CAN-L
Input/out-
put
—
—
41
P
Battery saver output sig-
nal
Output
30 minutes after ignition switch is
turned to OFF
0
Ignition switch is in ON position
Battery voltage
42
GR
Power source
(Fuse)
Input
—
Battery voltage
44
G/W
Driver door lock actuator
and fuel lid opener actu-
ator (Unlock)
Output
Door lock and unlock switch
(Free
→
Unlock)
0
→
Battery voltage
→
0
48
R
Room lamp output sig-
nal
Output
Room lamp is lighting.*
2
0
Room lamp is being turned off.*
2
Battery voltage
50
V
All door lock actuators
(lock)
Output
Door lock and unlock switch
(Free
→
Lock)
0
→
Battery voltage
→
0
51
G/Y
Passenger and rear
doors lock actuator
(unlock)
Output
Door lock and unlock switch
(Free
→
Unlock)
0
→
Battery voltage
→
0
52
B
Ground
—
—
0
55
W/B
Power source
(Fusible link)
Input
—
Battery voltage
58
V/W
Back door switch
Input
ON (Back door is opened)
→
OFF (Back door is closed)
0
→
Battery voltage
62
SB
Front door switch
(Driver side)
Input
ON (Door is opened)
→
OFF (Door is
closed)
0
→
Battery voltage
63
R/W
Rear door switch LH
Input
ON (Door is opened)
→
OFF (Door is
closed)
0
→
Battery voltage
PIIA2344J
BL-40
POWER DOOR LOCK SYSTEM
Revision: 2006 August
2006 Murano
CONSULT-II Function (BCM)
NIS0016A
CONSULT-II and display each diagnostic item using the diagnostic test modes shown following.
BCS-13, "CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)"
.
CONSULT-II BASIC OPERATION PROCEDURE
CAUTION:
If CONSULT-II is used with no connection of CONSULT-II CONVERTER, malfunctions might be
detected in self-diagnosis depending on control unit which carry out CAN communication.
1.
Turn ignition switch “OFF”.
2.
Connect “CONSULT-II” and “CONSULT-II CONVERTER” to
data link connector.
3.
Turn ignition switch “ON”.
4.
Touch “START (NISSAN BASED VHCL)”.
5.
Touch “BCM” on “SELECT SYSTEM” screen.
If “BCM” is not indicated, go to
BCM diagnosis part
Inspection item, self-diagnosis
mode
Content
BCM
SELF-DIAG RESULTS
Carries out the self-diagnosis.
CAN DIAG SUPPORT MNTR
Displays CAN communication system diagnosis, disabled transmission
status, and communication status of each unit communicated with
BCM
DATA MONITOR
Displays the input data to BCM on real-time basis.
DOOR LOCK
WORK SUPPORT
Changes the setting for each function.
DATA MONITOR
Displays the input data of BCM in real time.
ACTIVE TEST
Give a drive signals to load to check the operation.
PIIA1095E
BCIA0029E
BCIA0030E
POWER DOOR LOCK SYSTEM
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6.
Touch “DOOR LOCK”.
7.
Select diagnosis mode.
“WORK SUPPORT”, “DATA MONITOR” and “ACTIVE TEST”
are available.
CONSULT-II APPLICATION ITEMS
Work Support
Data Monitor
Active Test
PIIA9922E
BCIA0031E
Work item
Description
DOOR LOCK-UNLOCK SET
Select unlock mode can be changed in this mode. Selects ON-OFF of select unlock mode.
ANTI-LOCK OUT SET
Key reminder door mode can be changed in this mode. Selects ON-OFF of key reminder door
mode.
Monitor item
Content
IGN ON SW
Indicates [ON/OFF] condition of ignition switch in ON position.
KEY ON SW
Indicates [ON/OFF] condition of key switch.
CDL LOCK SW
Indicates [ON/OFF] condition of lock signal from door lock and unlock switch.
CDL UNLOCK SW
Indicates [ON/OFF] condition of unlock signal from door lock and unlock switch.
DOOR SW-DR
Indicates [ON/OFF] condition of front door switch driver side.
DOOR SW-AS
Indicates [ON/OFF] condition of front door switch passenger side.
DOOR SW-RR
Indicates [ON/OFF] condition of rear door switch RH.
DOOR SW-RL
Indicates [ON/OFF] condition of rear door switch LH.
BACK DOOR SW
Indicates [ON/OFF] condition of back door switch.
KEY CYL LK-SW
Indicates [ON/OFF] condition of lock signal from key cylinder.
KEY CYL UN-SW
Indicates [ON/OFF] condition of unlock signal from key cylinder.
KEYLESS LOCK
Indicates [ON/OFF] condition of lock signal from key fob.
KEYLESS UNLOCK
Indicates [ON/OFF] condition of unlock signal from key fob.
Test item in “DOOR LOCK”
Content
ALL LOCK
This test is able to check all door lock actuators lock operation.
These actuators lock when “ALL LOCK” on CONSULT-II screen is touched.
ALL UNLOCK
This test is able to check all door lock actuators unlock operation.
These actuators unlock when “ALL UNLOCK” on CONSULT-II screen is touched.
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POWER DOOR LOCK SYSTEM
Revision: 2006 August
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Work Flow
NIS0016B
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
"Trouble Diagnoses Chart by Symptom"
4.
Does power door lock system operate normally?
YES: GO TO 5.
NO: GO TO 3.
5.
INSPECTION END.
Trouble Diagnoses Chart by Symptom
NIS0016C
NOTE:
Always check the “Work Flow” before troubleshooting. Refer to
*
1
: Driver side
*
2
: Passenger side, rear LH, RH
*
3
: With Intelligent Key
DR UNLOCK
This test is able to check door lock actuator (driver side) lock/unlock operation.
This actuator unlock when “DR UNLOCK” on CONSULT-II screen is touched.
OTHER UNLOCK
This test is able to check all door lock actuators (except driver side) unlock operation.
These actuators unlock when “OTHER UNLOCK” on CONSULT-II screen is touched.
Test item in “DOOR LOCK”
Content
Symptom
Diagnoses service procedure
Refer to page
Power door lock does not operate with door lock and
unlock switch on power window main switch or front
power window switch (passenger side).
1. Check power supply and ground circuit
2. Check door lock and unlock switch.
3. Replace BCM.
Specific door lock actuator does not operate.
1. Check door lock actuator.
1
2
2. Replace BCM.
Power door lock does not operate with front door key cyl-
inder operation, but operates with door lock and unlock
switch.
1. Check front door key cylinder switch.
2. Replace power window main switch.
–
Fuel lid opener actuator does not operate at all.
(All door lock actuators are activate properly.)
1. Check fuel lid lock actuator circuit.
2. Replace BCM.
Key reminder door system does not operate properly.
1. Check key reminder door mode.*
*: Key reminder door mode can be changed.
First check key reminder door mode.
2. Check power supply and ground circuit
3. Check key switch.
4. Check ignition knob switch.*
3
5. Check door switch.
6. Replace BCM.
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