Nissan Murano Z50 (2003 year). Manual — part 29
BCM (BODY CONTROL MODULE)
BCS-23
C
D
E
F
G
H
I
J
L
M
A
B
BCS
Revision; 2004 April
2003 Murano
Input/output Signal Chart
T: Transmit R: Receive
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and A/
C
amp.
Driver
seat
con-
trol
unit
AWD
con-
trol
unit
ABS
actua-
tor
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
CVT position indicator signal
T
R
Second position signal
R
T
Second position indicator signal
T
R
Engine speed signal
T
R
R
R
R
R
R
Engine status signal
T
R
Engine coolant temperature signal
T
R
Accelerator pedal position signal
T
R
R
Closed throttle position signal
T
R
Wide open throttle position signal
T
R
Key switch signal
T
R
Ignition switch signal
T
R
R
P range signal
T
R
Stop lamp switch signal
R
T
R
Fuel consumption monitor signal
T
R
CVT self-diagnosis signal
R
T
ABS operation signal
R
R
T
Air conditioner switch signal
R
T
A/C compressor request signal
T
R
A/C compressor feedback signal
T
R
Blower fan motor switch signal
R
T
A/C control signal
T
T
R
R
R
T
Cooling fan speed request signal
T
R
Position lights request signal
T
R
R
Low beam request signal
T
R
Low beam status signal
R
T
High beam request signal
T
R
R
High beam status signal
R
T
Front fog lights request signal
T
R
Vehicle speed signal
R
R
R
T
R
R
R
R
T
R
Sleep request 1 signal
T
R
Sleep request 2 signal
T
R
Door switch signal
R
T
R
R
T
R
R
R
Key fob ID signal
T
R
Key fob door unlock signal
T
R
BCS-24
BCM (BODY CONTROL MODULE)
Revision; 2004 April
2003 Murano
Turn indicator signal
T
R
Seat belt buckle switch signal
R
T
Oil pressure switch signal
R
T
T
R
Buzzer output signal
T
R
Fuel level sensor signal
R
T
Fuel level low warning signal
R
R
T
Malfunction indicator lamp signal
T
R
ASCD SET lamp signal
T
R
ASCD CRUISE lamp signal
T
R
Input shaft revolution signal
R
T
Output shaft revolution signal
R
T
Front wiper request signal
T
R
Front wiper stop position signal
R
T
Rear window defogger switch signal
T
R
Rear window defogger control signal
R
R
R
T
Engine and CVT integrated control
signal
T
R
R
T
Hood switch signal
R
T
Theft warning horn request signal
T
R
Horn chirp signal
T
R
Tire pressure signal
T
R
Tire pressure data signal
T
R
R
ABS warning lamp signal
R
T
Brake warning lamp signal
R
T
System setting signal
T
T
R
AWD warning lamp signal
R
T
AWD lock indicator lamp signal
R
T
AWD lock switch signal
T
R
Parking brake switch signal
R
T
R
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and A/
C
amp.
Driver
seat
con-
trol
unit
AWD
con-
trol
unit
ABS
actua-
tor
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
BCM (BODY CONTROL MODULE)
BCS-25
C
D
E
F
G
H
I
J
L
M
A
B
BCS
Revision; 2004 April
2003 Murano
TYPE 25/TYPE26/TYPE 27/TYPE 28/TYPE 29/TYPE 30/TYPE 31/TYPE 32
System Diagram
●
Type25
●
Type26
●
Type27
SKIA4926E
SKIA4927E
SKIA4928E
BCS-26
BCM (BODY CONTROL MODULE)
Revision; 2004 April
2003 Murano
●
Type28
●
Type29
●
Type30
SKIA4929E
SKIA4930E
SKIA4931E
BCM (BODY CONTROL MODULE)
BCS-27
C
D
E
F
G
H
I
J
L
M
A
B
BCS
Revision; 2004 April
2003 Murano
●
Type31
●
Type32
SKIA4932E
SKIA4933E
BCS-28
BCM (BODY CONTROL MODULE)
Revision; 2004 April
2003 Murano
Input/output Signal Chart
T: Transmit R: Receive
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and
A/C
amp.
Steer
ing
angle
sen-
sor
Drive
r seat
con-
trol
unit
AWD
con-
trol
unit
ABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
Engine and CVT integrated control
signal
T
R
R
T
Second position signal
R
T
VDC operation signal
R
R
T
Stop lamp switch signal
R
T
R
Key switch signal
T
R
Ignition switch signal
T
R
R
P range signal
T
R
R
Closed throttle position signal
T
R
Wide open throttle position signal
T
R
Second position indicator signal
T
R
R
Engine speed signal
T
R
R
R
R
R
R
Engine status signal
T
R
Engine coolant temperature signal
T
R
Accelerator pedal position signal
T
R
R
R
Fuel consumption monitor signal
T
R
CVT self-diagnosis signal
R
T
Input shaft revolution signal
R
T
R
Output shaft revolution signal
R
T
R
Air conditioner switch signal
R
T
A/C compressor request signal
T
R
A/C compressor feedback signal
T
R
T
Blower fan motor switch signal
R
T
A/C control signal
T
T
R
R
R
T
Cooling fan speed request signal
T
R
Position lights request signal
T
R
R
Low beam request signal
T
R
Low beam status signal
R
T
High beam request signal
T
R
R
High beam status signal
R
T
Front fog lights request signal
T
R
Vehicle speed signal
R
R
R
T
R
R
R
R
T
R
Sleep request 1 signal
T
R
Sleep request 2 signal
T
R
BCM (BODY CONTROL MODULE)
BCS-29
C
D
E
F
G
H
I
J
L
M
A
B
BCS
Revision; 2004 April
2003 Murano
Door switch signal
R
T
R
R
T
R
R
R
Turn indicator signal
T
R
Key fob ID signal
T
R
Key fob door unlock signal
T
R
Seat belt buckle switch signal
R
T
Oil pressure switch signal
R
T
T
R
Buzzer output signal
T
R
Fuel level sensor signal
R
T
Fuel level low warning signal
R
R
T
Malfunction indicator signal
T
R
ASCD SET lamp signal
T
R
ASCD CRUISE lamp signal
T
R
Front wiper request signal
T
R
Front wiper stop position signal
R
T
Rear window defogger switch signal
T
R
Rear window defogger control signal
R
R
R
T
Hood switch signal
R
T
Theft warning horn request signal
T
R
Horn chirp signal
T
R
Steering angle sensor signal
T
R
Tire pressure signal
T
R
Tire pressure data signal
T
R
R
CVT position indicator signal
T
R
R
ABS warning lamp signal
R
T
VDC OFF indicator lamp signal
R
T
SLIP indicator lamp signal
R
T
Brake warning lamp signal
R
T
System setting signal
T
T
R
AWD warning lamp signal
R
T
AWD lock indicator lamp signal
R
T
AWD lock switch signal
T
R
Parking brake switch signal
R
T
R
Signals
ECM
TCM
Low
tire
pres-
sure
warn-
ing
con-
trol
unit
Dis-
play
unit
Dis-
play
con-
trol
unit
BCM
Uni-
fied
meter
and
A/C
amp.
Steer
ing
angle
sen-
sor
Drive
r seat
con-
trol
unit
AWD
con-
trol
unit
ABS
actu-
ator
and
elec-
tric
unit
(con-
trol
unit)
IPDM
E/R
BCS-30
BCM (BODY CONTROL MODULE)
Revision; 2004 April
2003 Murano
Schematic
AKS004CF
TKWA0806E
BCM (BODY CONTROL MODULE)
BCS-31
C
D
E
F
G
H
I
J
L
M
A
B
BCS
Revision; 2004 April
2003 Murano
TKWA0807E
BCS-32
BCM (BODY CONTROL MODULE)
Revision; 2004 April
2003 Murano
CONSULT-II
AKS004CG
CONSULT-II can display each diagnostic item using the following diagnostic test modes: work support, self-
diagnostic results, data monitor and active test through data reception and command transmission via the
BCM communication line.
CONSULT–II INSPECTION 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.
With the ignition switch OFF, connect CONSULT-II and CON-
SULT-II CONVERTER to the data link connector, then turn the
ignition switch ON.
2.
Touch “START(NISSAN BASED VHCL)”.
3.
Touch “BCM” on “SELECT SYSTEM” screen.
If “BCM” is not indicated, go to
BCM diagnostic test item
Check item, diagnostic test mode
Content
Inspection by part
WORK SUPPORT
Changes setting of each function.
SELF-DIAGNOSIS RESULTS
BCM performs self-diagnosis of CAN communication and com-
bination switch.
DATA MONITOR
Displays the input data of BCM in real time.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication
can be read.
ACTIVE TEST
Gives a drive signal to a load to check the operation.
PBIB1300E
SKIA3098E
SKIA6338E
BCM (BODY CONTROL MODULE)
BCS-33
C
D
E
F
G
H
I
J
L
M
A
B
BCS
Revision; 2004 April
2003 Murano
4.
Select item to be diagnosed on “SELECT TEST ITEM” screen.
ITEMS OF EACH PART
×
:Applicable
SKIA1922E
System and item
CONSULT-II display
Diagnostic test mode (Inspection by part)
WORK
SUPPORT
SELF
−
DIAG
RESULTS
DATA
MONITOR
CAN DIAG
SUPPORT
MNTR
ACTIVE
TEST
Power door lock system
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Key warning chime
KEY WARN ALM
×
×
Light warning chime
LIGHT WARN ALM
×
×
Seat belt warning chime
SEAT BELT ALM
×
×
Room lamp timer
INT LAMP
×
×
×
Interior lamp battery saver
BATTERY SAVER
×
×
×
Vehicle security system
THEFT ALM
×
×
×
Retained power control
RETAINED PWR
×
×
×
Remote keyless entry system
MULTI REMOTE ENT
×
×
×
Headlamp
HEAD LAMP
×
×
Combination switch
COMB SW
×
Wiper
WIPER
×
×
BCM
BCM C/U
×
×
×
Turn signal lamp
Hazard lamp
FLASHER
×
×
IVIS
IMMU
×
×
Air conditioner switch signal
Blower fan switch signal
Oil pressure switch
SIGNAL BUFFER
×
×
Trunk lid
TRUNK
×
BCS-34
BCM (BODY CONTROL MODULE)
Revision; 2004 April
2003 Murano
CAN Communication Inspection Using CONSULT-II (Self-Diagnosis)
AKS004CH
1.
SELF-DIAGNOSTIC RESULT CHECK
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.
Connect to CONSULT-II, and select “BCM” on “SELECT SYSTEM” screen.
2.
Select “BCM C/U” on “SELECT WORK ITEM” screen, and select “SELF-DIAG RESULTS”.
3.
Check display content in self-diagnostic results.
Contents displayed
No malfunction>>Inspection End
Malfunction in CAN communication system>>After printing the monitor items, go to “CAN System”. Refer to
LAN-10, "Precautions When Using CONSULT-II"
CONSULT-II display code
Diagnosis item
U1000
INITIAL DIAG
TRANSMIT DIAG
ECM
IPDM E/R
METER / M&A
BCM (BODY CONTROL MODULE)
BCS-35
C
D
E
F
G
H
I
J
L
M
A
B
BCS
Revision; 2004 April
2003 Murano
Inspection of BCM Power Supply and Ground Circuit
AKS004CI
1.
FUSE AND FUSIBLE LINK INSPECTION
Check if any of the following BCM fuses and fusible links are blown.
●
Refer to LT wiring diagram LT–H/LAMP–01,
OK or NG
OK
>> GO TO 2.
NG
>> Replace fuse or fusible link.
2.
POWER SUPPLY CIRCUIT INSPECTION
Disconnect BCM connector. To measure voltage, connect following
connector terminals to positive probe and body ground to negative
one.
●
Refer to LT wiring diagram LT–H/LAMP–01,
OK or NG
OK
>> GO TO 3.
NG
>> Replace BCM power supply circuit harness.
3.
GROUND CIRCUIT INSPECTION
Check continuity between the following connector of BCM and body
ground.
●
Refer to LT wiring diagram LT–H/LAMP–01,
OK or NG
OK
>> Inspection end.
NG
>> Replace BCM ground circuit harness.
Terminal No.
Signal name
Fuse No., fusible link No.
7
Battery
F
35
Ignition switch ON or START
1
36
Ignition switch ACC or ON
6
Terminals
Power source
Ignition
switch
Reference
voltage (V)
(+)
(–)
Connector
Terminal
(wire color)
E118
7(W/B)
Ground
Battery power
OFF
Approx. 12
M35
35 (R)
Ignition
power supply
ON
Approx. 12
36 (P/B)
ACC power
supply
ACC
Approx. 12
SKIA1158E
Terminals
Continuity
(+)
(–)
Connector
Terminal (wire color)
E118
8 (B)
Ground
Yes
SKIA1159E
BCS-36
BCM (BODY CONTROL MODULE)
Revision; 2004 April
2003 Murano
Removal and Installation of BCM
AKS004CJ
REMOVAL
1.
Remove the Instrument driver lower panel. Refer to
INSTRUMENT DRIVER LOWER PANEL"
PANEL.”
2.
Disconnect BCM connector.
3.
Remove screws (2) to remove BCM .
INSTALLATION
Install in the reverse order of removal.
NOTE:
When replacing BCM perform initialization of NATS system and registration of all NATS ignition key IDs.
SKIA4038E
BL-1
BODY, LOCK & SECURITY SYSTEM
I BODY
CONTENTS
C
D
E
F
G
H
J
K
L
M
SECTION
BL
A
B
BL
Revision; 2004 April
2003 Murano
BODY, LOCK & SECURITY SYSTEM
PRECAUTIONS . . . . . . . . . . . . . . .. 5
PREPARATION . . . . . . . . . . . . . . ... 6
Special Service Tools . . . . . . . . . . . ... 6
Commercial Service Tools . . . . . . . . . . 6
SQUEAK AND RATTLE TROUBLE DIAGNOSIS . .. 7
Work Flow . . . . . . . . . . . . . . . . 7
Generic Squeak and Rattle Troubleshooting . . ... 9
Diagnostic Worksheet . . . . . . . . . . . .11
HOOD . . . . . . . . . . . . . . . . . ... 13
Fitting Adjustment . . . . . . . . . . . . .. 13
Removal and Installation of Hood Assembly . . .. 15
REMOVAL . . . . . . . . . . . . . . ... 15
INSTALLATION . . . . . . . . . . . . ... 15
Removal and Installation of Hood Lock Control . . 16
REMOVAL . . . . . . . . . . . . . . ... 16
INSTALLATION . . . . . . . . . . . . ... 17
Hood Lock Control Inspection . . . . . . . . 18
RADIATOR CORE SUPPORT . . . . . . . . .. 19
Removal and Installation . . . . . . . . . . 19
REMOVAL . . . . . . . . . . . . . . ... 19
INSTALLATION . . . . . . . . . . . . ... 21
FRONT FENDER . . . . . . . . . . . . . .. 22
Removal and Installation . . . . . . . . . . 22
REMOVAL . . . . . . . . . . . . . . ... 22
INSTALLATION . . . . . . . . . . . . ... 22
POWER DOOR LOCK SYSTEM . . . . . . . .. 23
Component Parts and Harness Connector Location
System Description . . . . . . . . . . . . . 24
POWER WINDOW SERIAL LINK . . . . . ... 25
OUTLINE . . . . . . . . . . . . . . . . 25
CAN Communication System Description . . . .. 26
CAN Communication Unit For 2WD Models . . ... 26
CAN Communication Unit For AWD Models . . .. 37
Schematic . . . . . . . . . . . . . . . ... 48
Wiring Diagram -D/LOCK- . . . . . . . . . .. 49
FUSE CHECK . . . . . . . . . . . . . . 56
BL-2
Revision; 2004 April
2003 Murano
Trouble Diagnoses Chart by Symptom . . . . ... 60
Check Door Switch . . . . . . . . . . . . . 61
REMOTE KEYLESS ENTRY SYSTEM . . . . . . 76
INPUTS . . . . . . . . . . . . . . . ... 77
OPERATED PROCEDURE . . . . . . . . . 78
CAN Communication System Description . . . .. 80
CAN Communication Unit For 2WD Models . . ... 80
CAN Communication Unit For AWD Models . . .. 91
Schematic . . . . . . . . . . . . . . . . 102
Wiring Diagram — KEYLES— . . . . . . . .. 103
“MULTI REMOTE ENT” . . . . . . . . . . 108
CONSULT-II Application Items . . . . . . . . 109
“MULTI REMOTE CONTENT” . . . . . . ... 109
KEY FOB ID SET UP WITH CONSULT-II . . ..121
KEY FOB ID SET UP WITHOUT CONSULT-II ..123
Key Fob Battery Replacement . . . . . . . ..124
DOOR . . . . . . . . . . . . . . . . . ..125
Fitting Adjustment . . . . . . . . . . . . .125
Removal and Installation of Front Door . . . . 126
REMOVAL . . . . . . . . . . . . . . ..126
INSTALLATION . . . . . . . . . . . . ..127
Removal and Installation of Rear Door . . . . .127
REMOVEL . . . . . . . . . . . . . . .127
INSTALLATION . . . . . . . . . . . . ..127
Door Weatherstrip . . . . . . . . . . . . .128
REMOVAL . . . . . . . . . . . . . . ..128
INSTALLATION . . . . . . . . . . . . ..128
FRONT DOOR LOCK . . . . . . . . . . . ..129
Component Structure . . . . . . . . . . . 129
Removal and Installation . . . . . . . . . ...129
REMOVAL . . . . . . . . . . . . . . ..129
INSTALLATION . . . . . . . . . . . . ..131
Disassembly and Assembly . . . . . . . . ..132
DOOR KEY CYLINDER ASSEMBLY . . . . .132
REAR DOOR LOCK . . . . . . . . . . . . 133
Component Structure . . . . . . . . . . . 133
Removal and Installation . . . . . . . . . ...133
REMOVAL . . . . . . . . . . . . . . ..133
INSTALLATION . . . . . . . . . . . . ..135
BACK DOOR . . . . . . . . . . . . . . ...136
Fitting Adjustment . . . . . . . . . . . . .136
VERTICAL/LATERAL CLEARANCE ADJUST-
MENT . . . . . . . . . . . . . . . . .136
Back Door Assembly . . . . . . . . . . . .137
Removal and Installation of Back Door Striker . ..138
REMOVAL . . . . . . . . . . . . . . ..138
INSTALLATION . . . . . . . . . . . . ..138
Removal and Installation of Back Door Stay . . .138
REMOVAL . . . . . . . . . . . . . . ..138
INSTALLATION . . . . . . . . . . . . ..139
Removal and Installation of Back Door Weatherstrip .139
BACK DOOR LOCK ASSEMBLY . . . . . . ...140
Removal and Installation of Back Door Lock Assem-
bly . . . . . . . . . . . . . . . . . . .140
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