Nissan Murano Z50 (2003 year). Manual — part 239
LT-312
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
Component Parts and Harness Connector Location
AKS004M3
SKIA4600E
INTERIOR ROOM LAMP
LT-313
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Schematic
AKS004M4
TKWA1150E
LT-314
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
Wiring Diagram — ROOM/L —
AKS004M5
TKWA0914E
INTERIOR ROOM LAMP
LT-315
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Revision; 2004 April
2003 Murano
TKWA1152E
LT-316
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
TKWA0916E
INTERIOR ROOM LAMP
LT-317
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Revision; 2004 April
2003 Murano
TKWA0917E
LT-318
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
TKWA0918E
INTERIOR ROOM LAMP
LT-319
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Revision; 2004 April
2003 Murano
TKWA0919E
LT-320
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
Terminals and Reference Value for BCM
AKS004M6
How to Proceed With Trouble Diagnosis
AKS004M7
1.
Confirm the symptom or customer complaint.
2.
Understand operation description and function description. Refer to
.
3.
Carry out the Preliminary Check. Refer to
4.
Check symptom and repair or replace the cause of malfunction.
5.
Does the interior room lamp operate normally? If YES: GO TO 6. If NO: GO TO 4.
6.
INSPECTION END
Termi-
nal
No.
Wire
color
Signal name
Measuring condition
Reference value
Igni-
tion
switch
Operation or condition
7
W/B
Battery power supply
OFF
—
Battery voltage
8
B
Ground
ON
—
Approx. 0V
10
R
Front door switch AS
signal
OFF
Front door switch
AS
ON (open)
Approx. 0V
OFF (closed)
Battery voltage
14
SB
Front door switch DR
signal
OFF
Front door switch
DR
ON (open)
Approx. 0V
OFF (closed)
Battery voltage
18
V/W
Back door switch sig-
nal
OFF
Back door switch
ON (open)
Approx. 0V
OFF (closed)
Battery voltage
24
P
Battery saver output
signal
OFF
30 minutes after ignition switch is turned
to OFF
Approx. 0V
ON
—
Battery voltage
32
R
Spot lamp output sig-
nal
ON
Spot lamp switch:
DOOR position
Any door
switch
ON
(open)
Approx. 0V
All door
switch
OFF
(closed)
Battery voltage
33
R/W
Step lamp signal
OFF
Any door is open (ON)
Approx. 0V
All doors are closed (OFF)
Battery voltage
34
R/Y
Ignition keyhole illumi-
nation signal
OFF
Door is locked. (SW OFF)
Battery voltage
Door is unlocked. (SW ON)
Approx. 0V
35
R
Ignition power supply
ON
—
Battery voltage
62
B/R
Key-in detection
switch signal
OFF
Vehicle key is removed.
Approx. 0V
Vehicle key is inserted.
Battery voltage
72
O
K
−
LINE
—
—
—
74
BR/W
Power window switch
serial link
—
—
PIIA2344J
INTERIOR ROOM LAMP
LT-321
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Preliminary Check
AKS004M8
INSPECTION FOR POWER SUPPLY AND GROUND CIRCUIT
1.
CHECK FUSES
●
Check for blown BCM fuses.
Refer to
LT-314, "Wiring Diagram — ROOM/L —"
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.
Disconnect BCM connector.
2.
Check voltage between BCM connector and ground.
OK or NG
OK
>> GO TO 3.
NG
>> Check harness for open or short between BCM and fuse.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM and ground.
OK or NG
OK
>> INSPECTION END
NG
>> Check harness ground circuit.
Unit
Power source
Fuse and fusible link No.
BCM
Battery
F
Ignition switch ON or START position
1
Terminals
Ignition switch position
(+)
(-)
OFF
ON
Connector
Terminal
(Wire color)
E118
7 (W/B)
Ground
Battery voltage
Battery voltage
M35
35 (R)
0V
Battery voltage
SKIA3195E
Terminals
Continuity
Connector
Terminal (Wire color)
Ground
Yes
E118
8 (B)
SKIA3193E
LT-322
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
CONSULT-II Function
AKS004M9
CONSULT-II performs the following functions communicating with BCM.
CONSULT-II BASIC OPERATION
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 ignition switch OFF, connect CONSULT-II and CONSULT-II
CONVERTER to data link connector, then turn ignition switch
ON.
2.
Touch “START (NISSAN BASED VHCL)”.
3.
Touch “BCM” on “SELECT SYSTEM” screen.
If “BCM” is not indicated, refer to
BCM diagnosis
part
Check item, diagnosis mode
Description
INTERIOR LAMP
WORK SUPPORT
Changes the setting for each function.
DATA MONITOR
Displays BCM input data in real time.
ACTIVE TEST
Operation of electrical loads can be checked by sending driving signal to them.
PBIB1300E
SKIA3098E
SKIA6338E
INTERIOR ROOM LAMP
LT-323
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4.
Touch “INT LAMP” on “SELECT TEST ITEM” screen.
WORK SUPPORT
Operation Procedure
1.
Touch “INT LAMP” on “SELECT TEST ITEM” screen.
2.
Touch “WORK SUPPORT” on “SELECT DIAG MODE” screen.
3.
Touch “ROOM LAMP TIMER SET” on “SELECT WORK ITEM” screen.
4.
Touch “START”.
5.
Touch “CHANGE SETT”.
6.
The setting will be changed and “CUSTOMIZING COMPLETED ” will be displayed.
7.
Touch “END”.
Display Item List
DATA MONITOR
Operation Procedure
1.
Touch “INT LAMP” on “SELECT TEST ITEM” screen.
2.
Touch “DATA MONITOR” on “SELECT DIAG MODE” screen.
3.
Touch either “ALL SIGNALS” or “SELECTION FROM MENU” on “DATA MONITOR” screen.
4.
Touch “START”.
5.
When “SELECTION FROM MENU” is selected, touch items to be monitored. When “ALL SIGNALS” is
selected, all the items will be monitored.
6.
Touch “RECORD” while monitoring, then the status of the monitored item can be recorded. To stop
recording, touch “STOP”.
Display Item List
LKIA0072E
Item
Description
CONSULT-II
Factory setting
ROOM LAMP TIMER SET
Spot lamp ON/OFF can be selected for when
driver door lock is released (unlocked).
ON
×
OFF
—
All signals
Monitors all the signals.
Selection from menu
Selects and monitors the individual signal.
Monitor item
Contents
IGN ON SW
“ON/OFF”
Displays “IGN position (ON)/OFF, ACC position (OFF)” judged from the ignition switch
signal.
KEY ON SW
“ON/OFF”
Displays “Key inserted (ON)/key removed (OFF)” status judged from the key switch
signal.
DOOR SW - DR
“ON/OFF”
Displays status of the driver door as judged from the driver door switch signal. (Door
is open: ON/Door is closed: OFF)
DOOR SW - AS
“ON/OFF”
Displays “Door open (ON)/Door closed (OFF)” status, determined from passenger
door switch signal.
LOCK SW DR/AS
“ON/OFF”
Displays “Door locked (ON)/Door unlocked (OFF) status, determined from locking
detection switch in driver door.
LT-324
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
ACTIVE TEST
Operation Procedure
1.
Touch “INT LAMP” on “SELECT TEST ITEM” screen.
2.
Touch “ACTIVE TEST” on “SELECT DIAG MODE” screen.
3.
Touch item to be tested and check operation of the selected item.
4.
During the operation check, touching “BACK” deactivates the operation.
Display Item List
Room Lamp Control Does Not Operate
AKS004MA
1.
CHECK EACH SWITCH
Select “BCM” on CONSULT-II. With “INT LAMP” data monitor to
make sure switches listed in display item list turn ON-OFF linked
with switch operation. Refer to
switches and their functions.
OK or NG
OK
>> GO TO 2.
NG
>> Inspect malfunctioning switch system.
2.
ACTIVE TEST
1.
Select “BCM” on CONSULT-II. Select “INT LAMP” active test.
2.
When room lamp switch is in “DOOR” position, use active test to
make sure room lamp operates.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> GO TO 3.
UNLK SW DR/AS
“ON/OFF”
Displays “Door unlocked (OFF)” status, determined from locking detection switch in
driver door and passenger door.
KEY CYL LK SW
“ON/OFF”
Displays “Door locked (ON) status, determined from key cylinder lock switch in driver
door.
KEY CYL UN SW
“ON/OFF”
Displays “Door unlocked (OFF) status, determined from key cylinder lock switch in
driver door.
LK BUTTON/SIG
“ON/OFF”
Displays “Locked (ON)/Other (OFF)” status, determined from lock signal.
UN BUTTON/SIG
“ON/OFF”
Displays “Unlocked (ON)/Other (OFF)” status, determined from unlock signal.
DOOR SW - RR
“ON/OFF”
Displays “Door open (ON)/Door closed (OFF)” status, determined from rear door
switch signals.
Monitor item
Contents
Test item
Description
INT LAMP
Spot lamp can be operated by any ON-OFF operations.
SKIA3991E
LKIA0092E
INTERIOR ROOM LAMP
LT-325
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3.
CHECK ROOM LAMP INPUT
1.
Turn ignition switch OFF.
2.
Check voltage between room lamp harness connector R9 termi-
nal 2 (Y) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 6.
4.
CHECK ROOM LAMP
1.
Disconnect room lamp connector.
2.
Check continuity between room lamp.
OK or NG
OK
>> GO TO 5.
NG
>> Replace Room lamp.
5.
CHECK ROOM LAMP CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector M35 terminal
32 (R) and room lamp harness connector R9 terminal 1 (R).
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Repair harness or connector.
6.
CHECK ROOM LAMP CIRCUIT
1.
Disconnect BCM connector and room lamp connector.
2.
Check continuity between BCM harness connector M35 terminal
24 (P) and room lamp harness connector R9 terminal 2 (Y).
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Repair harness or connector.
Battery voltage should exist.
SKIA4555E
Terminal
Condition
Continuity
Room lamp
1
2
Room lamp switch is
ON
Yes
Room lamp switch is
OFF
No
SKIA4556E
Continuity should exist.
SKIA4557E
Continuity should exist.
SKIA4558E
LT-326
INTERIOR ROOM LAMP
Revision; 2004 April
2003 Murano
Personal Lamp Control Does Not Operate
AKS005QS
1.
CHECK EACH SWITCH
Select “BCM” on CONSULT-II. With “INT LAMP” data monitor to
make sure switches listed in display item list turn ON-OFF linked
with switch operation. Refer to
switches and their functions.
OK or NG
OK
>> GO TO 2.
NG
>> Inspect malfunctioning switch system.
2.
ACTIVE TEST
1.
Select “BCM” on CONSULT-II. Select “INT LAMP” active test.
2.
When personal lamp switch is in “DOOR” position, use active
test to make sure personal lamp operates.
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> GO TO 3.
3.
CHECK PERSONAL LAMP INPUT
1.
Turn ignition switch OFF.
2.
Check voltage between personal lamp harness connector R8 (or
R10) terminal 1 (Y) and ground.
OK or NG
OK
>> GO TO 4.
NG
>> GO TO 6.
4.
CHECK PERSONAL LAMP
1.
Disconnect personal lamp connector.
2.
Check continuity between personal lamp.
OK or NG
OK
>> GO TO 5.
NG
>> Replace personal lamp.
SKIA3991E
LKIA0092E
Battery voltage should exist.
SKIA4559E
Terminal
Condition
Continuity
Personal lamp
1
3
Personal lamp switch
is ON
Yes
Personal lamp switch
is OFF
No
SKIA4560E
INTERIOR ROOM LAMP
LT-327
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Revision; 2004 April
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5.
CHECK PERSONAL LAMP CIRCUIT
1.
Disconnect BCM connector.
2.
Check continuity between BCM harness connector M35 terminal
32 (R) and personal lamp harness connector R8 (or R10) termi-
nal 3 (R).
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Repair harness or connector.
6.
CHECK PERSONAL LAMP CIRCUIT
1.
Disconnect BCM connector and personal lamp connector.
2.
Check continuity between BCM harness connector M35 terminal
24 (P) and personal lamp harness connector R8 (or R10) termi-
nal 1 (Y).
OK or NG
OK
>> Replace BCM. Refer to
BCS-36, "Removal and Installa-
NG
>> Repair harness or connector.
Ignition Key Hole Illumination Control Does Not Operate
AKS004MB
1.
CHECK BULB
Inspect bulb of lamp which does not operate.
OK or NG
OK
>> GO TO 2.
NG
>> Replace bulb.
2.
CHECK EACH SWITCH
Select “BCM” on CONSULT-II. With “INT LAMP” data monitor to
make sure switches listed in display item list turn ON-OFF linked
with switch operation. Refer to
for
switches and their functions.
OK or NG
OK
>> GO TO 3.
NG
>> Inspect malfunctioning switch system.
Continuity should exist.
SKIA4561E
Continuity should exist.
SKIA4562E
SKIA3991E
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