Nissan Murano Z50 (2003 year). Manual — part 33
POWER DOOR LOCK SYSTEM
BL-51
C
D
E
F
G
H
J
K
L
M
A
B
BL
Revision; 2004 April
2003 Murano
FIG. 3
TIWA0360E
BL-52
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
FIG. 4
TIWA0270E
POWER DOOR LOCK SYSTEM
BL-53
C
D
E
F
G
H
J
K
L
M
A
B
BL
Revision; 2004 April
2003 Murano
FIG. 5
TIWA0271E
BL-54
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
FIG. 6
TIWA0324E
POWER DOOR LOCK SYSTEM
BL-55
C
D
E
F
G
H
J
K
L
M
A
B
BL
Revision; 2004 April
2003 Murano
Terminals and Reference Value for BCM
AIS002HG
*1
: These signal are only used to control remote keyless entry system, if unified meter and A/C amp. or CAN communication is malfunc-
tion.
*
2
: In the state that map lamp switch is in “DOOR” position.
TERMINAL
WIRE
COLOR
ITEM
CONDITION
VOLTAGE (V)
Approx.
7
W/B
Battery power supply
(Fusible link)
—
Battery voltage
8
B
Ground
—
0
10*
1
R
Front door switch
(Passenger side)
ON (Door open)
→
OFF (Door closed)
0
→
Battery voltage
14*
1
SB
Front door switch
(Driver side)
ON (Door open)
→
OFF (Door closed)
0
→
Battery voltage
18
V/W
Back door switch
ON (Back door open)
→
OFF (Back
door closed)
0
→
Battery voltage
23
G/W
Driver door lock actuator
(Unlock)
Door lock and unlock switch
(Free
→
Unlock)
0
→
Battery voltage
24
P
Battery saver output signal
30 minutes after ignition switch is turned
to OFF
0
Ignition switch is in ON position
Battery voltage
28
W/R
Battery power supply
(power window)
—
Battery voltage
30
V
All door lock actuators (lock)
Door lock and unlock switch
(Free
→
Lock)
0
→
Battery voltage
31
G/Y
Passenger and rear doors
lock actuator (unlock)
Door lock and unlock switch
(Free
→
Unlock)
0
→
Battery voltage
32
R
Room lamp output signal
Map lamp is lighting.*
2
0
Map lamp is being turned off.*
2
Battery voltage
34
R/Y
Key ring ill output signal
Key ring illumination is lighting.
0
Key ring illumination is being turned off.
Battery voltage
62
B/R
Key switch
Key switch ON (key is inserted in igni-
tion key cylinder)
Battery voltage
Key switch OFF (key is removed from
ignition key cylinder)
0
70
L
CAN-H
—
—
71
Y
CAN-L
—
—
72
O
Data link connector
—
—
74
BR/W
Power window serial link
Ignition switch is ON or power window
retained power operation is activated.
PIIA2344J
BL-56
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
Terminals and Reference Value for Unified Meter and A/C amp.
AIS002HK
Work Flow
AIS002F1
1.
Check the symptom and customer's requests.
2.
Understand the outline of system. Refer to
3.
Perform the preliminary check. Refer to
4.
According to the trouble diagnosis chart, repair or replace the cause of the malfunction. Refer to
"Trouble Diagnoses Chart by Symptom"
5.
Does power door lock system operate normally?
YES: GO TO 6.
NO: GO TO 4.
6.
INSPECTION END.
Preliminary Check
AIS002F2
FUSE CHECK
1.
FUSE INSPECTION
Check 50A fusible link [letter F located in the fuse block (J/B)].
NOTE:
Refer to
BL-23, "Component Parts and Harness Connector Location"
.
OK or NG
OK
>> GO TO 2
NG
>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse, refer to
3, "POWER SUPPLY ROUTING CIRCUIT"
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector.
3.
Check voltage between BCM connector E118 terminal 7 and
ground.
OK or NG
OK
>> GO TO 3
NG
>> Repair or replace BCM power supply circuit.
TERMINAL
WIRE
COLOR
ITEM
CONDITION
VOLTAGE (V)
Approx.
1
L
CAN-H
—
—
7
R
Front door switch
(Passenger side)
ON (Door open)
→
OFF (Door closed)
0
→
Battery voltage
8
SB
Front door switch
(driver side)
ON (Door open)
→
OFF (Door closed)
0
→
Battery voltage
11
Y
CAN-L
—
—
17
R/Y
Rear door switch RH
ON (Door open)
→
OFF (Door closed)
0
→
Battery voltage
18
R/W
Rear door switch LH
ON (Door open)
→
OFF (Door closed)
0
→
Battery voltage
7 (W/B) – Ground
: Battery voltage should exist.
PIIA1125E
POWER DOOR LOCK SYSTEM
BL-57
C
D
E
F
G
H
J
K
L
M
A
B
BL
Revision; 2004 April
2003 Murano
3.
CHECK GROUND CIRCUIT
Check continuity between BCM connector E118 terminal 8 (B) and
ground.
OK or NG
OK
>> BCM power supply and ground circuit is OK.
NG
>> Repair or replace BCM ground circuit.
CONSULT-II Function
AIS002F3
The following functions are executed by combining data received and command transmitted via the communi-
cation line from the BCM.
SE-66, "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”.
8 (B) – Ground
: Continuity should exist.
PIIA1127E
BCM diagnosis part
Inspection item, self-diagnosis
mode
Content
BCM C/U*
SELF-DIAG RESULTS
Carries out the self-diagnosis.
DATA
MONITOR
CAN DIAG SUPPORT
MNTR
Displays CAN communication system diagnosis, disabled transmission
status, and communication status of each unit communicated with
BCM.
SELECTION FROM
MENU
Displays the input data to BCM on real-time basis.
DOOR LOCK
WORK SUPPORT
Changes the setting for each function.
DATA MONITOR
Displays BCM input data on real-time basis.
ACTIVE TEST
Sends drive signals to door lock actuator to perform operation check.
PIIA1095E
BL-58
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
4.
Touch “START (NISSAN BASED VHCL)”.
5.
Touch “BCM” on “SELECT SYSTEM” screen.
If “BCM” is not indicated, go to
6.
Select item to be diagnosed on “SELECT TEST ITEM” screen.
WORK SUPPORT
DATA MONITOR
MBIB0233E
LIIA0033E
LKIA0099E
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 “OPERATION”
Content
KEY ON SW
“ON/OFF”
Indicates [ON/OFF] condition of key switch.
LOCK SW DR/AS
“ON/OFF”
Indicates [ON/OFF] condition of lock signal from lock and unlock switch on power win-
dow main switch or front power window switch (passenger side).
UNLK SW DR/AS
“ON/OFF”
Indicates [ON/OFF] condition of unlock signal from lock and unlock switch on power win-
dow main switch or front power window switch (passenger side).
KEY CYL LK-SW
“ON/OFF”
Indicates [ON/OFF] condition of lock signal from key cylinder.
KEY CYL UN-SW
“ON/OFF”
Indicates [ON/OFF] condition of unlock signal from key cylinder.
LK BUTTON/SIG
“ON/OFF”
Indicates [ON/OFF] condition of lock signal from key fob.
UN BUTTON/SIG
“ON/OFF”
Indicates [ON/OFF] condition of unlock signal from key fob.
IGN ON SW
“ON/OFF”
Indicates [ON/OFF] condition of ignition switch.
DOOR SW-DR
“ON/OFF”
Indicates [ON/OFF] condition of front door switch LH.
POWER DOOR LOCK SYSTEM
BL-59
C
D
E
F
G
H
J
K
L
M
A
B
BL
Revision; 2004 April
2003 Murano
ACTIVE TEST
DOOR SW-AS
“ON/OFF”
Indicates [ON/OFF] condition of front door switch RH.
BACK DOOR SW
“ON/OFF”
Indicates [ON/OFF] condition of back door switch.
DOOR SW-RR
“ON/OFF”
Indicates [ON/OFF] condition of door switch (Rear).
TRNK OPN MNTR
“ON/OFF”
This is displayed even when it is not equipped.
Monitor item “OPERATION”
Content
Test item
Content
ALL D/LK MTR
This test is able to check all door lock actuators lock operation. These actuators lock when
“ON” on CONSULT-II screen is touched.
DR D/UN MTR
This test is able to check front door lock actuator LH unlock operation. These actuators lock
when “ON” on CONSULT-II screen is touched.
NON DR D/UN
This test is able to check door lock actuators (except front door lock actuator LH) unlock oper-
ation. These actuators unlock when “ON” on CONSULT-II screen is touched.
BL-60
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
Trouble Diagnoses Chart by Symptom
AIS002F4
NOTE:
Always check the “Work Flow” before troubleshooting. Refer to
*
1
: Driver side
*
2
: Passenger side, rear LH, RH
*
3
: Back door
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. Preliminary check
2. Check door lock and unlock switch.
3. Replace BCM.
Specific door lock actuator does not operate.
1. Check door lock actuator.
1
2
3
Power door lock does not operate with front door key cyl-
inder operation, but operates with door lock and unlock
switch.
1. Check door key cylinder switch.
2. Replace power window main switch.
–
Fuel lid lock actuator does not lock.
(All door lock actuators are activate properly.)
1. Check fuel lid lock actuator (Lock).
Fuel lid lock actuator does not unlock.
(All door lock actuators are activate properly.)
1. Check fuel lid lock actuator (Unlock).
Fuel lid opener actuator does not operate at all.
(All door lock actuators are activate properly.)
1. Check fuel lid lock actuator (Lock and Unlock).
Key reminder door system does not operate properly.
1. Preliminary check
2. Check key switch.
3. Check door switch.
4. Replace BCM.
POWER DOOR LOCK SYSTEM
BL-61
C
D
E
F
G
H
J
K
L
M
A
B
BL
Revision; 2004 April
2003 Murano
Check Door Switch
AIS003C5
CHECK DOOR SWITCH (EXCEPT BACK DOOR SWITCH)
First perform the “SELF-DIAG RESULT” in “BCM” with CONSULT-II. When perform the each trouble diagno-
sis, refer to
SE-66, "CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)"
1.
CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches (“DOOR SW-DR”, “DOOR SW-AS” and “DOOR SW-RR”) in “DATA MONITOR” mode
with CONSULT-II.
Without CONSULT-II
Check voltage between unified meter and A/C amp. connector M49 terminals 8 (SB), 7 (R), 18 (R/W), 17 (R/
W) and ground.
OK or NG
OK
>> Door switch circuit is OK.
NG
>> GO TO 2
Monitor item
Condition
DOOR SW-DR
Door is closed
↓
Door is opened
OFF
↓
ON
DOOR SW-AS
DOOR SW-RR
LIIA0035E
Terminals
Condition
Voltage (V)
Approx.
(+)
(–)
Front door switch
(driver side)
8 (SB)
Ground
Door close
↓
Door open
Battery voltage
↓
0
Front door switch
(passenger side)
7 (R)
Rear door switch LH
18 (R/W)
Rear door switch RH
17 (R/Y)
PIIA4311E
BL-62
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
2.
CHECK DOOR SWITCH
1.
Turn ignition switch OFF.
2.
Disconnect door switch and unified meter and A/C amp. connectors.
3.
Check continuity between door switch connectors D10, D38,
D56, D76 terminals 4 and unified meter and A/C amp. connector
M49 terminals 8, 7, 18, 17.
4.
Check continuity between unified meter and A/C amp. connector
M49 terminals 7, 8, 17, 18 and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Repair or replace harness.
3.
CHECK DOOR SWITCH
Check continuity between door switch terminals 4 and 5.
OK or NG
OK
>> GO TO 4.
NG
>> Replace door switch.
Item
Terminal
Continuity
Front door switch
(driver side)
4 (SB) – 8 (SB)
Yes
Front door switch
(passenger side)
4 (R/G) – 7 (R)
Rear door switch LH
4 (V) – 18 (R/W)
Rear door switch RH
4 (R/W) – 17 (R/Y)
Item
Terminal
Continuity
Unified meter and A/C amp.
7 (R)
Ground
No
8 (SB)
17 (R/Y)
18 (R/W)
PIIA4312E
Terminal
Door switch condition
Continuity
4 - 5
Open position
Yes
Closed position
No
PIIA4314E
POWER DOOR LOCK SYSTEM
BL-63
C
D
E
F
G
H
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M
A
B
BL
Revision; 2004 April
2003 Murano
4.
CHECK DOOR SWITCH GROUND HARNESS
Check continuity between door switch connectors D10, D38, D56,
D76 terminal 5 and ground.
OK or NG
OK
>> GO TO 5.
NG
>> Repair or replace harness.
5.
CHECK DOOR SWITCH INPUT SIGNAL
1.
Connect unified meter and A/C amp. connector.
2.
Check voltage between unified meter and A/C amp. connector
M49 terminals 7, 8, 17, 18 and ground.
OK or NG
OK
>> Check harness connection.
NG
>> Replace unified meter and A/C amp.
Item
Terminal
Continuity
Door switch (driver side,
passenger side, rear RH)
5 (B)
Ground
Yes
Door switch (rear LH)
5 (G/Y)
PIIA4313E
7 (R) – Ground
: Battery voltage
8 (SB) – Ground
: Battery voltage
17 (R/Y) – Ground
: Battery voltage
18 (R/W) – Ground
: Battery voltage
PIIA4311E
BL-64
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
CHECK BACK DOOR SWITCH
1.
CHECK BACK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check back door switch (“BACK DOOR SW”) in “DATA MONITOR” mode with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector and ground.
*1: When battery saver control function is not activated.
*2: When battery saver control function is activated.
OK or NG
OK
>> Back door switch circuit is OK.
NG
>> GO TO 2
2.
CHECK BACK DOOR SWITCH HARNESS
1.
Turn ignition switch OFF.
2.
Disconnect BCM and back door switch connectors.
3.
Check continuity between BCM connector M34 terminal 18 and
back door switch connector D100 terminal 1.
4.
Check continuity between BCM connector M34 terminal 18 and
ground.
OK or NG
OK
>> GO TO 3
NG
>> Repair or replace harness.
Monitor item
Condition
BACK DOOR SW
Back door close
OFF
Back door open
ON
PIIA2488E
Item
Terminals
(Wire color)
Condition
Voltage (V)
Approx.
(+)
(–)
Con-
nector
Terminal
(Wire
color)
Back door switch
M34
18 (V/W)
Ground
OPEN
0
CLOSE
5*
1
12*
2
PIIA2489E
18 (V/W) – 1 (V/W)
: Continuity should exist.
18 (V/W) – Ground
: Continuity should not exist.
PIIA6221E
POWER DOOR LOCK SYSTEM
BL-65
C
D
E
F
G
H
J
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M
A
B
BL
Revision; 2004 April
2003 Murano
3.
CHECK BACK DOOR SWITCH
Check continuity between back door switch terminals 1 and 3.
OK or NG
OK
>> GO TO 4.
NG
>> Replace back door switch.
4.
CHECK BACK DOOR SWITCH GROUND HARNESS
Check continuity between back door switch connector D100 terminal 3 (B) and ground.
OK or NG
OK
>> Check harness connection.
NG
>> Repair or replace harness.
Check Key Switch
AIS003C6
1.
CHECK KEY SWITCH INPUT SIGNAL
With CONSULT-II
Check ignition key switch “IGN ON SW” in “DATA MONITOR” mode
with CONSULT-II.
Without CONSULT-II
Check voltage between BCM connector M37 terminal 62 (B/R) and ground.
OK or NG
OK
>> Key switch circuit is OK.
NG
>> GO TO 2.
Terminal
Back door switch condition
Continuity
1 - 3
Open position
Yes
Closed position
No
PIIA4316E
3 (B) - Ground
: Continuity should exist.
PIIA2490E
Monitor item
Condition
KEY ON SW
Key is removed from IGN key cylinder
OFF
Key is inserted in IGN key cylinder
ON
PIIA6470E
Terminal
(Wire color)
Condition
Voltage (V)
Approx.
62 (B/R)
Ground
Key is removed from ignition key cylinder.
0
Key is inserted in ignition key cylinder.
Battery voltage
PIIA4139E
BL-66
POWER DOOR LOCK SYSTEM
Revision; 2004 April
2003 Murano
2.
CHECK KEY SWITCH
1.
Disconnect key switch connector.
2.
Check continuity between key switch connector M28 terminals 3 and 4.
OK or NG
OK
>> Check the following.
●
10A fuse [No. 21, located in fuse block (J/B)]
●
Harness for open or short between key switch and
fuse
●
Harness for open or short between BCM and key
switch
NG
>> Replace key switch.
Terminal
Condition
Continuity
3 - 4
Key is removed from IGN key cylinder.
NO
Key is inserted in IGN key cylinder.
YES
PIIA3044E
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