Nissan Murano Z50 (2003 year). Manual — part 34
POWER DOOR LOCK SYSTEM
BL-67
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Revision; 2004 April
2003 Murano
Check Door Lock and Unlock Switch
AIS002F9
1.
CHECK POWER WINDOW OPERATION
Does power window system operate normally?
OK or NG
OK
>> GO TO 2
NG
>> Refer to
.
2.
CHECK DOOR LOCK AND UNLOCK SWITCH INPUT SIGNAL
With CONSULT-II
Check door lock and unlock switch (“LOCK SW DR/AS” and “UNLK
SW DR/AS”) in DATA MONITOR mode with CONSULT-II.
Without CONSULT-II
1.
Remove key from ignition key cylinder.
2.
Check the signal between BCM connector M37 terminal 74 (BR/W) and ground when door lock and
unlock switch is turned “LOCK” or “UNLOCK”.
3.
Make sure signals which are shown in the figure below can be detected during 10 second just after door
lock and unlock switch is turned “LOCK” or “UNLOCK”.
OK or NG
OK
>> Door lock and unlock switch circuit is OK.
NG
>> GO TO 3.
Monitor item
Condition
LOCK SW DR/AS
Door lock and unlock switch is in free position
OFF
Door lock and unlock switch is in LOCK position
ON
UNLK SW DR/AS
Door lock and unlock switch is in free position
OFF
Door lock and unlock switch is in UNLOCK position
ON
LIIA0172E
Connector
Terminal
Voltage (V)
(+)
(–)
M37
74(BR/W)
Ground
PIIA3896E
PIIA1297E
BL-68
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
3.
CHECK POWER WINDOW SERIAL LINK CIRCUIT
1.
Disconnect BCM, power window main switch and front power window switch (passenger side) connec-
tors.
2.
Check continuity between BCM connector M37 terminal 74 and
power window main switch (door lock and unlock switch) con-
nector D6 terminal 14.
3.
Check continuity between power window main switch connector
D6 terminal 14 and ground.
4.
Check continuity between BCM connector M37 terminal 74 and
front power window switch (passenger side) connector D35 ter-
minal 16.
5.
Check continuity between front power window switch (passen-
ger side) connector D35 terminal 16 and ground.
OK or NG
OK
>> GO TO 4.
NG
>> Repair or replace harness.
4.
CHECK DOOR LOCK AND UNLOCK SWITCH GROUND HARNESS
●
Check continuity between power window main switch (door lock
and unlock switch) connector D7 terminal 17 and ground.
●
Check continuity between front power window switch (passen-
ger side) connector D35 terminal 11 and ground.
74 (BR/W) – 14 (BR/W)
: Continuity should exist.
14 (BR/W) – Ground
: Continuity should not exist.
PIIA4438E
74 (BR/W) – 16 (BR/W)
: Continuity should exist.
16 (BR/W) – Ground
: Continuity should not exist.
PIIA4439E
17 (B) – Ground
: Continuity should exist.
PIIA4440E
11 (B) – Ground
: Continuity should exist.
PIIA4441E
POWER DOOR LOCK SYSTEM
BL-69
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Revision; 2004 April
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OK or NG
OK
>> Check harness connection.
●
If harness connection is OK, replace power window main switch or front power window switch
(passenger side).
●
If harness connection is NG, repair or replace malfunction part of harness connection.
NG
>> Repair or replace harness.
Check Door Lock Actuator (Front Driver Side)
AIS002FA
1.
CHECK DOOR LOCK ACTUATOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect BCM and door lock actuator (driver side) connectors.
3.
Check continuity between BCM connector M35 terminals 23, 30
and door lock actuator (driver side) connector D10 terminals 2,
3.
OK or NG
OK
>> GO TO 2.
NG
>> Repair or replace harness.
2.
CHECK OUTPUT SIGNAL
1.
Remove the key from ignition key cylinder.
2.
Connect BCM connector.
3.
Check voltage between BCM connector M35 terminals 23, 30 and ground.
OK or NG
OK
>> Replace front door lock assembly (driver side).
NG
>> Replace BCM.
23 (G/W) – 2 (G/W)
: Continuity should exist.
30 (V) – 3 (V)
: Continuity should exist.
PIIA7361E
Con-
nector
Terminal
Condition
Voltage (V)
Approx.
(+)
(–)
M35
23 (G/W)
Ground
Driver door lock and unlock
switch is turned to UNLOCK.
0
→
Battery voltage
30 (V)
Driver door lock and unlock
switch is turned to LOCK.
0
→
Battery voltage
PIIA6248E
BL-70
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
Check Door Lock Actuator (Passenger Side and Rear LH/RH)
AIS002FB
1.
CHECK DOOR LOCK ACTUATOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect BCM and all door lock actuator connectors.
3.
Check continuity between BCM connector M35 terminals 30, 31
and front door lock actuator passenger side, rear door lock actu-
ator LH/RH connector D38, D56, D76 terminals 2, 3.
OK or NG
OK
>> Replace door lock assembly (door lock actuator).
NG
>> Repair or replace harness.
Check Back Door Lock Actuator
AIS002HJ
1.
CHECK BACK DOOR OPENER ACTUATOR HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect BCM and back door lock actuator connectors.
3.
Check continuity between BCM connector M35 terminals 30 (V),
31 (G/Y) and back door lock actuator connector D101 terminals
1 (V), 3 (G/Y).
OK or NG
OK
>> Replace back door actuator.
NG
>> Repair or replace harness.
30 (V) – 3 (V or R/W)
: Continuity should exist.
31 (G/Y) – 2 (G/Y or B)
: Continuity should exist.
PIIA7362E
30 (V) – 1 (V)
: Continuity should exist.
31 (G/Y) – 3 (G/Y)
: Continuity should exist.
PIIA7363E
POWER DOOR LOCK SYSTEM
BL-71
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Revision; 2004 April
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Check Door Key Cylinder Switch (Lock)
AIS002FD
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (LOCK)
With CONSULT-II
Check door key cylinder switch (“KEY CYL LK SW”) in “DATA MON-
ITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between power window main switch (door lock and
unlock switch) connector D6 terminal 4 (L) and ground.
OK or NG
OK
>> Door key cylinder switch (lock) circuit is OK.
NG
>> GO TO 2.
2.
CHECK DOOR KEY CYLINDER SWITCH
1.
Disconnect door key cylinder switch connector.
2.
Check continuity between door key cylinder switch terminals 1
and 5.
OK or NG
OK
>> Check the following.
●
Harness for open or short between power window
main switch (door lock and unlock switch) and door
key cylinder switch.
●
Door key cylinder switch ground circuit.
NG
>> Replace front door lock assembly (driver side) (door key cylinder switch).
Monitor item
Condition
KEY CYL LK-SW
Door key cylinder switch is in neutral position.
OFF
Door key cylinder switch is in LOCK position.
ON
PIIA6541E
Terminal
(Wire color)
Door key cylinder switch position
Voltage (V)
Approx.
4 (L) - Ground
Neutral / Unlock
5
Lock
0
PIIA4446E
Terminal
Door key cylinder switch position
Continuity
1 - 5
Neutral / Unlock
No
Lock
Yes
PIIA4449E
BL-72
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
Check Door Key Cylinder Switch (Unlock)
AIS002FE
1.
CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL (UNLOCK)
With CONSULT-II
●
Check door key cylinder switch (“KEY CYL UN-SW”) in “DATA
MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between main power window (door lock and unlock
switch) connector D6 terminal 6 and ground.
OK or NG
OK
>> Door key cylinder switch (unlock) circuit is OK.
NG
>> GO TO 2.
2.
CHECK DOOR KEY CYLINDER SWITCH
1.
Disconnect door key cylinder switch connector.
2.
Check continuity between door key cylinder switch terminals 5
and 6.
OK or NG
OK
>> Check the following.
●
Harness for open or short between power window
main switch (door lock and unlock switch) and door
key cylinder switch
●
Door key cylinder switch ground circuit
NG
>> Replace front door lock assembly (driver side) (door key cylinder switch).
Monitor item
Condition
LOCK CYL UN-SW
Door key cylinder switch is in neutral position
OFF
Door key cylinder switch is in UNLOCK position
ON
PIIA6542E
Terminal
(Wire color)
Door key cylinder switch position
Voltage (V)
Approx.
6 (R) - Ground
Neutral / Lock
5
Unlock
0
PIIA4447E
Terminal
Door key cylinder switch position
Continuity
5 - 6
Neutral/Lock
No
Unlock
Yes
PIIA4448E
POWER DOOR LOCK SYSTEM
BL-73
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Revision; 2004 April
2003 Murano
Check Fuel Lid Lock Actuator (Lock)
AIS003C7
1.
CHECK FUEL LID LOCK ACTUATOR RELAY CIRCUIT
1.
Remove the key from ignition key cylinder.
2.
Disconnect fuel lid lock actuator relay connector.
3.
Check voltage between fuel lid lock actuator relay connector B31 terminal 1 and ground.
OK
>> GO TO 2.
NG
>> Repair or replace harness between BCM and fuel lid
lock actuator relay.
2.
CHECK FUEL LID LOCK ACTUATOR RELAY
Check continuity between fuel lid lock actuator relay terminal 1 and 2.
OK
>> GO TO 3.
NG
>> Replace fuel lid lock actuator relay.
3.
CHECK FUEL LID LOCK ACTUATOR RELAY GROUND CIRCUIT
Check continuity between fuel lid lock actuator relay connector B31
terminal 2 and ground.
OK
>> GO TO 4.
NG
>> Repair or replace harness.
Con-
nector
Terminal
Condition
Voltage (V)
Approx.
(+)
(–)
B31
1 (V)
Ground
Door lock and unlock switch
is turned to “LOCK”.
0
→
Battery voltage
PIIA6247E
1 – 2
: Continuity should exist.
PIIA6243E
2 (B) – Ground
: Continuity should exist.
PIIA6244E
BL-74
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
4.
CHECK FUEL LID LOCK ACTUATOR RELAY POWER SUPPLY CIRCUIT
Check voltage between fuel lid lock actuator relay connector B31
terminal 5 and ground.
OK
>> Replace fuel lid lock actuator relay.
NG
>> Check the following.
●
10A fuse [No. 22, located in fuse block (J/B)]
●
Harness for open or short between fuel lid lock actua-
tor relay and fuse.
Check Fuel Lid Lock Actuator (Unlock)
AIS003C8
1.
CHECK FUEL LID LOCK ACTUATOR RELAY
1.
Disconnect fuel lid lock actuator relay connector.
2.
Check continuity between fuel lid lock actuator relay terminal 3
and 4.
OK
>> GO TO 2.
NG
>> Replace fuel lid lock actuator relay.
2.
CHECK FUEL LID LOCK ACTUATOR GROUND CIRCUIT
Check continuity between fuel lid lock actuator relay connector B31
terminal 4 and ground.
OK
>> Check harness connection.
NG
>> Repair or replace harness.
5 (L) – Ground
: Battery voltage
PIIA6245E
3 – 4
: Continuity should exist.
PIIA6246E
4 (B) – Ground
: Continuity should exist.
PIIA6279E
POWER DOOR LOCK SYSTEM
BL-75
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Revision; 2004 April
2003 Murano
Check Fuel Lid Lock Actuator (Lock and Unlock)
AIS003C9
1.
CHECK FUEL LID LOCK ACTUATOR RELAY
1.
Remove the key from ignition key cylinder.
2.
Disconnect fuel lid lock actuator connector.
3.
Check voltage between fuel lid lock actuator connector B23 ter-
minal 2 and ground.
OK
>> GO TO 2.
NG
>> Repair or replace harness between BCM and fuel lid
lock actuator.
2.
CHECK FUEL LID LOCK ACTUATOR
Check continuity between fuel lid lock actuator terminal 1 and 2.
OK
>> GO TO 3.
NG
>> Replace fuel lid lock actuator.
3.
CHECK FUEL LID LOCK ACTUATOR CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect fuel lid lock actuator relay connector.
3.
Check continuity between fuel lid lock actuator connector B23 terminal 1 and fuel lid lock actuator relay
connector B31 terminal 3.
OK
>> Replace fuel lid lock actuator relay.
NG
>> Repair or replace harness.
Con-
nector
Terminal
Condition
Voltage (V)
Approx.
(+)
(–)
B23
2 (G/W)
Ground
Door lock and unlock switch
is turned to “UNLOCK”.
0
→
Battery voltage
PIIA6242E
1 – 2
: Continuity should exist.
PIIA6241E
1 (G/B) – 3 (G/B)
: Continuity should exist.
PIIA6240E
BL-76
REMOTE KEYLESS ENTRY SYSTEM
Revision; 2004 April
2003 Murano
REMOTE KEYLESS ENTRY SYSTEM
PFP:28596
Component Parts and Harness Connector Location
AIS002FF
PIIA7385E
REMOTE KEYLESS ENTRY SYSTEM
BL-77
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Revision; 2004 April
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System Description
AIS003KF
INPUTS
Power is supplied at all times
●
to BCM terminal 7
●
through 50A fusible link (letter F , located in the fuse and fusible link box).
●
to key switch terminal 3
●
through 10A fuse [No. 21, located in the fuse block (J/B)].
When key switch is ON (key is inserted in ignition key cylinder), power is supplied
●
to BCM terminal 62
●
through key switch terminal 4.
When ignition switch is ACC or ON, power is supplied
●
to BCM terminal 36
●
through 10A fuse [No. 6, located in the fuse block (J/B)].
When ignition switch is ON or START, power is supplied
●
to BCM terminal 35
●
through 10A fuse [No. 1, located in the fuse block (J/B)].
When front door switch (driver side) is ON (door is OPEN), ground is supplied
●
to BCM terminal 14 and unified meter and A/C amp. terminal 8
●
through front door switch (driver side) terminal 4 and 5
●
through grounds M14 and M78.
When front door switch (passenger side) is ON (door is OPEN), ground is supplied
●
to BCM terminal 10 and unified meter and A/C amp. terminal 7
●
through front door switch (passenger side) terminal 4 and 5
●
through grounds M14 and M78.
When rear door switch LH is ON (door is OPEN), ground is supplied
●
to unified meter and A/C amp. terminal 18
●
through rear door switch LH terminal 4 and 5
●
through grounds B7 and B20.
When rear door switch RH is ON (door is OPEN), ground is supplied
●
to unified meter and A/C amp. terminal 17
●
through rear door switch RH terminal 4 and 5
●
through grounds B105 and B116.
Combination meter send door open signal to BCM with CAN communication system.
When back door switch is ON (back door OPEN), ground is supplied
●
to BCM terminal 18
●
through back door switch terminal 1 and 3
●
through grounds B7 and B20.
Key fob signal is inputted to BCM (the antenna of remote keyless entry system is combined with BCM).
The remote keyless entry system controls operation of the
●
power door lock
●
hazard and horn reminder
●
auto door lock
●
room lamp and ignition keyhole illumination
●
panic alarm
●
keyless power window down (open)
BL-78
REMOTE KEYLESS ENTRY SYSTEM
Revision; 2004 April
2003 Murano
OPERATED PROCEDURE
Power Door Lock Operation
BCM receives a LOCK signal from key fob. BCM locks all doors with input of LOCK signal from key fob.
When an UNLOCK signal is sent from key fob once, driver's door will be unlocked.
Then, if an UNLOCK signal is sent from key fob again within 5 seconds, all other door will be unlocked.
Hazard and Horn Reminder
When the doors are locked or unlocked by key fob, supply power to hazard warning lamp flashes as follows
●
LOCK operation: C mode (flash twice) or S mode (flash twice)
●
UNLOCK operation: C mode (flash once) or S mode (does not flash)
BCM outputs to IPDM E/R for horn reminder signal as DATA LINE (CAN H line and CAN L line).
The hazard and horn reminder has C mode (horn chirp mode) and S mode (non-horn chirp mode).
Operating function of hazard and horn reminder
Hazard and horn reminder does not operate if any door switches are ON (any doors are OPEN)
How to change hazard and horn reminder mode
With CONSULT-II
Hazard and horn reminder can be changed using “MULTI ANSWER BACK SET” mode in “WORK SUPPORT”.
Refer to
Without CONSULT-II
When LOCK and UNLOCK signals are sent from the key fob for more than 2 seconds at the same time, the
hazard and horn reminder mode is changed and hazard warning lamp flashes and horn sounds as follows:
Auto Door Lock Operation
Auto lock function signal is sent for operation when any of the following signals are not sent within 1 minute
after the unlock signal is sent from the key fob:
●
when door switch is turned ON for open.
●
when the key switch is turned ON.
●
when the lock signal is sent from the key fob.
Auto door lock mode can be changed using “AUTO LOCK SET” mode in “WORK SUPPORT”.
Refer to
Room Lamp and Keyhole Illumination Operation
When the following conditions come:
●
condition of room lamp switch is DOOR position;
●
door switch OFF (when all the doors are closed);
Remote keyless entry system turns on room lamp and key ring illumination (for 30 seconds) with input of
UNLOCK signal from key fob.
For detailed description, refer to
.
C mode
S mode
Remote controller
operation
Lock
Unlock
Lock
Unlock
Hazard warning lamp
flash
Twice
Once
Twice
—
Horn sound
Once
—
—
—
SEL153WA
REMOTE KEYLESS ENTRY SYSTEM
BL-79
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Revision; 2004 April
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Panic Alarm Operation
When key switch is OFF (when ignition key is not inserted in key cylinder), BCM turns on and off horn and
headlamp intermittently with input of PANIC ALARM signal from key fob.
The alarm automatically turns off after 25 seconds or when BCM receives any signal from key fob.
Panic alarm operation mode can be changed using “PANIC ALARM SET” mode in “WORK SUPPORT”.
Refer to
For detailed description, refer to
BL-142, "VEHICLE SECURITY (THEFT WARNING) SYSTEM"
Keyless Power Window Down (open) Operation
When key fob unlock switch is turned ON with ignition switch OFF, and key fob unlock switch is detected to be
on continuously for 3 seconds, the driver's door and passenger's door power windows are simultaneously
opened.
Power window is operated to open and the operation continues as long as the key fob unlock switch is
pressed.
Keyless power window down operation mode can be changed using “PW DOWN SET” mode in “WORK SUP-
PORT”.
Refer to
BL-80
REMOTE KEYLESS ENTRY SYSTEM
Revision; 2004 April
2003 Murano
CAN Communication System Description
AIS003CO
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 For 2WD Models
AIS003KD
×
: Applicable
Body type
Wagon
Axle
2WD
Engine
VQ35DE
Transmission
CVT
Brake control
ABS
VDC
Low tire pressure warning
system
×
×
×
×
×
×
×
×
Navigation system
×
×
×
×
×
×
×
×
Automatic drive positioner
×
×
×
×
×
×
×
×
CAN communication unit
ECM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
TCM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Low tire pressure warning
control unit
×
×
×
×
×
×
×
×
Display unit
×
×
×
×
×
×
×
×
Display control unit
×
×
×
×
×
×
×
×
Data link connector
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
BCM
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Unified meter and A/C amp.
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
Steering angle sensor
×
×
×
×
×
×
×
×
Driver seat control unit
×
×
×
×
×
×
×
×
ABS actuator and electric
unit (control unit)
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
IPDM E/R
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
×
CAN communication type
BL-81, "TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/
REMOTE KEYLESS ENTRY SYSTEM
BL-81
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Revision; 2004 April
2003 Murano
TYPE 1/TYPE 2/TYPE 3/TYPE 4/TYPE 5/TYPE 6/TYPE 7/TYPE 8
System Diagram
●
Type1
●
Type2
●
Type3
SKIA4902E
SKIA4903E
SKIA4904E
BL-82
REMOTE KEYLESS ENTRY SYSTEM
Revision; 2004 April
2003 Murano
●
Type4
●
Type5
●
Type6
SKIA4905E
SKIA4906E
SKIA4907E
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