Nissan Murano Z51 (2008 year). Manual — part 236
INTERIOR ROOM LAMP CONTROL SYSTEM
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FUNCTION DIAGNOSIS
INTERIOR ROOM LAMP CONTROL SYSTEM
System Diagram
INFOID:0000000003295091
System Description
INFOID:0000000003295092
OUTLINE
• Interior room lamps* are controlled by interior room lamp timer control function of BCM.
*: Map lamp and personal lamp (when map lamp switch is in DOOR position).
• Step lamp is controlled by step lamp control function of BCM.
• Push-button ignition switch illumination is controlled by the push-button ignition switch illumination control
function of BCM.
INTERIOR ROOM LAMP TIMER CONTROL
JPLIA0985GB
Revision: 2008 October
2009 Murano
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< FUNCTION DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL SYSTEM
Interior Room Lamp Timer Basic Operation
• The interior room lamp turns ON and OFF (gradual brightening and dimming) by the interior room timer.
• BCM judges the vehicle condition with the following items. It activates the interior room timer.
- Ignition switch status
- Door switch signal (ALL)
- Door lock/unlock signal (Remote keyless entry receiver, each request switch, key cylinder lock/unlock
switch, door lock/unlock switch)
NOTE:
Each function of interior room lamp timer can be set by CONSULT-III. Refer to
SULT-III Function (BCM - INT LAMP)"
Interior Room Lamp ON Operation
• BCM always turns the interior room lamp ON when any door opens.
• BCM activates the interior room timer in any of the following conditions to turn the interior room lamp ON for
a period of time.
- Any door opens before all doors close.
- Ignition switch is turned ON
→
OFF.
- Any door unlock signal is detected when all doors close with ignition switch OFF.
NOTE:
Restart the timer if new condition is input during the timer operating time.
Interior Room Lamp OFF Operation
BCM stops the timer in any of the following conditions to turns the interior room lamp OFF.
• The timer operating time is expired.
• Ignition switch position is other than OFF with all doors close.
• Any door lock operation is detected with all doors close.
STEP LAMP CONTROL
BCM controls the step lamp (ground-side) to turn ON with any door switch ON.
PUSH-BUTTON IGNITION SWITCH ILLUMINATION CONTROL
Push-button Ignition Switch Illumination Basic Operation
• BCM provides the power supply and the ground to turn the push-button ignition switch illumination ON.
• BCM cuts the ground supply while the each illumination (tail lamp) ON. BCM switches to the ground control
with the meter illumination control function.
Push-button Ignition Switch Illumination ON Operation
BCM turns the push-button ignition switch illumination ON in the following conditions.
• Ignition switch ON
• Each illumination (tail lamp) ON
• Any of the following conditions with ignition switch OFF
- Engine start permission is entered.
- Intelligent Key inserted into the key slot.
- Driver door is LOCK
→
UNLOCK.
- Driver door is open.
Push-button Ignition Switch Illumination OFF Operation
JPLIA0093GB
Revision: 2008 October
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INTERIOR ROOM LAMP CONTROL SYSTEM
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BCM turns the push-button ignition switch illumination OFF in any of the following conditions.
• The push-button ignition switch illumination ON conditions do not satisfy.
• All of the following conditions with ignition switch OFF
- Each illumination (tail lamp) OFF
- The push-button ignition switch illumination ON conditions do not change (15 seconds after the ignition
switch OFF) or the driver door is UNLOCK
→
LOCK.
Component Parts Location
INFOID:0000000003295093
Component Description
INFOID:0000000003295094
1.
Personal lamp
2.
Request switch
3.
Step lamp
4.
Door switch
5.
Key cylinder switch
6.
Push-button ignition switch illumination
7.
Map lamp
8.
Door lock switch
9.
Remote keyless entry receiver
10. BCM
A.
Over the glove box
B.
Behind the combination meter
JPLIA0889ZZ
Part
Description
BCM
• Activates the interior room lamp timer depending on the vehicle condition to turn the
interior room lamp ON/OFF.
• Turns the step lamp ON /OFF according to any door switch status.
Remote keyless entry receiver
• Receives the lock/unlock signal from keyfob.
• Transmits the lock/unlock signal to BCM.
• Request switch
• Key cylinder lock/unlock switch
• Door lock/unlock switch
Inputs the lock/unlock signal to BCM.
Door switch
Inputs the door switch signal to BCM.
Revision: 2008 October
2009 Murano
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INTERIOR ROOM LAMP BATTERY SAVER SYSTEM
INTERIOR ROOM LAMP BATTERY SAVER SYSTEM
System Diagram
INFOID:0000000003295095
System Description
INFOID:0000000003295096
OUTLINE
• Interior room lamp battery saver is controlled by BCM.
• BCM turns applicable lamps OFF depending on the vehicle condition. This function prevents the battery
from over-discharging if the driver neglect turning OFF the any lamps.
Applicable lamps
• Map lamp
• Personal lamp
• Step lamp
• Luggage room lamp
• Vanity mirror lamp
INTERIOR ROOM LAMP BATTERY SAVER FUNCTION
• When the ignition switch is turned OFF, BCM operates the timer for a period of time to cut the interior room
lamp power supply.
• BCM restart the timer when any of the following signals changes while operating the timer.
- Ignition switch status
- Door switch signal (ALL)
- Door lock/unlock signal (Remote keyless entry receiver, each request switch, key cylinder lock/unlock
switch, door lock/unlock switch)
- Back door switch signal
- Key switch signal (Key slot)
• BCM provides the interior room lamp power supply continuously when the ignition switch position is other
than OFF.
NOTE:
JPLIA0986GB
Revision: 2008 October
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INTERIOR ROOM LAMP BATTERY SAVER SYSTEM
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Each function of interior room lamp battery saver can be set by CONSULT-III. Refer to
SAVER : CONSULT-III Function (BCM - BATTERY SAVER)"
Component Parts Location
INFOID:0000000003295097
1.
Personal lamp
2.
Request switch
3.
Step lamp
4.
Door switch
5.
Key cylinder switch
6.
Key slot
7.
Map lamp
8.
Vanity mirror lamp
9.
Door lock switch
10. Remote keyless entry receiver
11.
BCM
12.
Luggage room lamp
13. Back door switch
A.
Over the glove box
B.
Behind the combination meter
C.
Back door
D.
Back door lock assembly
JPLIA0846ZZ
Revision: 2008 October
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INTERIOR ROOM LAMP BATTERY SAVER SYSTEM
Component Description
INFOID:0000000003295098
Part
Description
BCM
Operates the interior room lamp battery saver depending on the vehicle condition to
cut the interior room lamp power supply.
Remote keyless entry receiver
• Receives the lock/unlock signal from keyfob.
• Transmits the lock/unlock signal to BCM.
• Request switch
• Key cylinder lock/unlock switch
• Door lock/unlock switch
Inputs the lock/unlock signal to BCM.
• Door switch
• Back door switch
Inputs a switch signal to BCM.
Key slot
Inputs the Intelligent Key in status to BCM.
Revision: 2008 October
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ILLUMINATION CONTROL SYSTEM
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ILLUMINATION CONTROL SYSTEM
System Diagram
INFOID:0000000003295099
System Description
INFOID:0000000003295100
OUTLINE
Each illumination lamp is controlled by each function of BCM, IPDM E/R and combination meter.
Control by BCM
• Combination switch reading function
• Headlamp control function
Control by IPDM E/R
• Relay control function
Control by combination meter
• Meter illumination control function (Refer to
MWI-24, "METER ILLUMINATION CONTROL : System Dia-
.)
ILLUMINATION CONTROL
• BCM detects the combination switch condition by the combination switch reading function.
• BCM transmits position light request signal to IPDM E/R and combination meter according to tail lamp ON
condition.
Tail lamp ON condition
- Lighting switch 1ST
- Lighting switch 2ND
- Lighting switch AUTO, and the auto light function ON judgment (With auto light system)
• IPDM E/R turns the integrated tail lamp relay ON according to position light request signal. It provides the
power supply to each illumination lamp.
• Combination meter enters in the nighttime mode according to position light request signal. Under the night-
time mode the combination meter controls the illuminance by controlling the each illumination lamp (ground
side).
JPLIA0855GB
Revision: 2008 October
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ILLUMINATION CONTROL SYSTEM
Component Parts Location
INFOID:0000000003295101
Component Description
INFOID:0000000003295102
1.
Combination meter
2.
Illumination control switch
3.
Combination switch
4.
IPDM E/R
5.
BCM
A
Engine room (LH)
B.
Behind the combination meter
JPLIA0847ZZ
Part
Description
BCM
• Detects each switch condition by the combination switch reading function.
• Judges the illumination lamp ON/OFF status depending on the vehicle condition.
And then it transmits position light request signal to IPDM E/R and combination
meter (with CAN communication).
IPDM E/R
Controls the integrated relay according to the request from BCM (with CAN communi-
cation).
Combination meter
• Enters in nighttime mode according to the request from BCM (with CAN communi-
cation).
• Controls the each illumination in the nighttime mode.
Refer to
MWI-24, "METER ILLUMINATION CONTROL : System Diagram"
.
Combination switch
(Lighting & turn signal switch)
.
Revision: 2008 October
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DIAGNOSIS SYSTEM (BCM)
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DIAGNOSIS SYSTEM (BCM)
COMMON ITEM
COMMON ITEM : CONSULT-III Function (BCM - COMMON ITEM)
INFOID:0000000003729864
APPLICATION ITEM
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each system.
NOTE:
It can perform the diagnosis modes except the following for all sub system selection items.
×
: Applicable item
NOTE:
• *1: At models with Intelligent Key system this item is displayed, but is not used.
• *2: At models with rain sensor this mode is displayed, but is not used.
Diagnosis mode
Function Description
Work Support
Changes the setting for each system function.
Self Diagnostic Result
Displays the diagnosis results judged by BCM.
CAN Diag Support Monitor
Monitors the reception status of CAN communication viewed from BCM. Refer to CONSULT-III opera-
tion manual.
Data Monitor
The BCM input/output signals are displayed.
Active Test
The signals used to activate each device are forcibly supplied from BCM.
Ecu Identification
The BCM part number is displayed.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing BCM.
System
Sub system selection item
Diagnosis mode
Work Support
Data Monitor
Active Test
Door lock
DOOR LOCK
×
×
×
Rear window defogger
REAR DEFOGGER
×
×
Warning chime
BUZZER
×
×
Interior room lamp timer
INT LAMP
×
×
×
Remote keyless entry system
MULTI REMOTE ENT*
1
×
×
×
Exterior lamp
HEAD LAMP
×
×
×
Wiper and washer
WIPER
×
*
2
×
×
Turn signal and hazard warning lamps
FLASHER
×
×
×
—
AIR CONDITONER*
3
• Intelligent Key system
• Engine start system
INTELLIGENT KEY
×
×
×
Combination switch
COMB SW
×
Body control system
BCM
×
NVIS - NATS
IMMU
×
×
Interior room lamp battery saver
BATTERY SAVER
×
×
×
Back door opener system
TRUNK
×
×
Vehicle security system
THEFT ALM
×
×
×
RAP system
RETAINED PWR
×
Signal buffer system
SIGNAL BUFFER
×
×
TPMS
TPMS (AIR PRESSURE MONITOR)
×
×
×
Revision: 2008 October
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DIAGNOSIS SYSTEM (BCM)
• *3: This item is displayed, but is not used.
FREEZE FRAME DATA (FFD)
The BCM records the following vehicle condition at the time a particular DTC is detected, and displays on
CONSULT-III.
INT LAMP
CONSULT screen item
Indication/Unit
Description
Vehicle Speed
km/h
Vehicle speed of the moment a particular DTC is detected
Odo/Trip Meter
km
Total mileage (Odometer value) of the moment a particular DTC is detected
Vehicle Condition
SLEEP>LOCK
Power position status of
the moment a particular
DTC is detected
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “LOCK”)
SLEEP>OFF
While turning BCM status from low power consumption mode to
normal mode (Power supply position is “OFF”.)
LOCK>ACC
While turning power supply position from “LOCK” to “ACC”
ACC>ON
While turning power supply position from “ACC” to “IGN”
RUN>ACC
While turning power supply position from “RUN” to “ACC” (Vehicle
is stopping and selector lever is except P position.)
CRANK>RUN
While turning power supply position from “CRANKING” to “RUN”
(From cranking up the engine to run it)
RUN>URGENT
While turning power supply position from “RUN“ to “ACC” (Emer-
gency stop operation)
ACC>OFF
While turning power supply position from “ACC” to “OFF”
OFF>LOCK
While turning power supply position from “OFF” to “LOCK”
OFF>ACC
While turning power supply position from “OFF” to “ACC”
ON>CRANK
While turning power supply position from “IGN” to “CRANKING”
OFF>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “OFF”.) to low power consumption mode
LOCK>SLEEP
While turning BCM status from normal mode (Power supply posi-
tion is “LOCK”.) to low power consumption mode
LOCK
Power supply position is “LOCK” (Ignition switch OFF with steer-
ing is locked.)
OFF
Power supply position is “OFF” (Ignition switch OFF with steering
is unlocked.)
ACC
Power supply position is “ACC” (Ignition switch ACC)
ON
Power supply position is “IGN” (Ignition switch ON with engine
stopped)
ENGINE RUN
Power supply position is “RUN” (Ignition switch ON with engine
running)
CRANKING
Power supply position is “CRANKING” (At engine cranking)
IGN Counter
0 - 39
The number of times that ignition switch is turned ON after DTC is detected
• The number is 0 when a malfunction is detected now.
• The number increases like 1
→
2
→
3...38
→
39 after returning to the normal condition
whenever ignition switch OFF
→
ON.
• The number is fixed to 39 until the self-diagnosis results are erased if it is over 39.
Revision: 2008 October
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DIAGNOSIS SYSTEM (BCM)
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INT LAMP : CONSULT-III Function (BCM - INT LAMP)
INFOID:0000000003295104
WORK SUPPORT
*: Factory setting
DATA MONITOR
JPLIA0093GB
Service item
Setting item
Setting
SET I/L D-UNLCK INTCON
ON*
With the interior room lamp timer function
OFF
Without the interior room lamp timer function
ROOM LAMP TIMER SET
MODE 2
7.5 sec.
Sets the interior room lamp ON time. (Timer operating time)
MODE 3*
15 sec.
MODE 4
30 sec.
ROOM LAMP ON TIME SET
MODE 1
0.5 sec.
Sets the interior room lamp gradual brightening time.
MODE 2*
1 sec.
MODE 3
2 sec.
MODE 4
3 sec.
MODE 5
0 sec.
ROOM LAMP OFF TIME SET
MODE 1
0.5 sec.
Sets the interior room lamp gradual dimming time.
MODE 2
1 sec.
MODE 3
2 sec.
MODE 4*
3 sec.
MODE 5
0 sec.
R LAMP TIMER LOGIC SET
MODE 1*
Interior room lamp timer activates with synchronizing all doors.
MODE 2
Interior room lamp timer activates with synchronizing the driver door
only.
Monitor item
[Unit]
Description
REQ SW-DR
[On/Off]
The switch status input from request switch (driver side)
REQ SW-AS
[On/Off]
The switch status input from front request switch (passenger side)
PUSH SW
[On/Off]
The switch status input from push-button ignition switch
KEY SW-SLOT
[On/Off]
Key switch status input from key slot
Revision: 2008 October
2009 Murano
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DIAGNOSIS SYSTEM (BCM)
ACTIVE TEST
BATTERY SAVER
BATTERY SAVER : CONSULT-III Function (BCM - BATTERY SAVER)
INFOID:0000000003295105
WORK SUPPORT
*: Factory setting
DATA MONITOR
DOOR SW-DR
[On/Off]
The switch status input from front door switch (driver side)
DOOR SW-AS
[On/Off]
The switch status input from front door switch (passenger side)
DOOR SW-RR
[On/Off]
The switch status input from rear door switch RH
DOOR SW-RL
[On/Off]
The switch status input from rear door switch LH
DOOR SW-BK
[On/Off]
NOTE:
The item is indicated, but not monitored.
CDL LOCK SW
[On/Off]
Lock switch status received from door lock/unlock switch by power window switch se-
rial link
CDL UNLOCK SW
[On/Off]
Unlock switch status received from door lock/unlock switch by power window switch
serial link
KEY CYL LK-SW
[On/Off]
Lock switch status received from key cylinder lock/unlock switch by power window
switch serial link
KEY CYL UN-SW
[On/Off]
Unlock switch status received from key cylinder lock/unlock switch by power window
switch serial link
BACK DOOR SW
[On/Off]
The switch status input from back door switch
RKE-LOCK
[On/Off]
Lock signal status received from remote keyless entry receiver
RKE-UNLOCK
[On/Off]
Unlock signal status received from remote keyless entry receiver
Monitor item
[Unit]
Description
Test item
Operation
Description
INT LAMP
On
Outputs the interior room lamp control signal to turn map lamp and personal lamp ON
(Map lamp switch is in DOOR position).
Off
Stops the interior room lamp control signal to turn map lamp and personal lamp OFF.
STEP LAMP TEST
On
Outputs the step lamp control signal to turn step lamp ON.
Off
Stops the step lamp control signal to turn step lamp OFF.
LUGGAGE LAMP TEST
On
NOTE:
The item is displayed, but cannot be tested.
Off
Service item
Setting item
Setting
BATTERY SAVER SET
On*
With the exterior lamp battery saver function
Off
Without the exterior lamp battery saver function
ROOM LAMP BAT SAV SET
On*
With the interior room lamp battery saver function
Off
Without the interior room lamp battery saver function
ROOM LAMP TIMER SET
MODE 1*
30 min.
Sets the interior room lamp battery saver timer operating
time.
MODE 2
60 min.
Revision: 2008 October
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DIAGNOSIS SYSTEM (BCM)
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ACTIVE TEST
*: Each lamp switch is in ON position.
Monitor item
[Unit]
Description
REQ SW-DR
[On/Off]
The switch status input from request switch (driver side)
REQ SW-AS
[On/Off]
The switch status input from front request switch (passenger side)
REQ SW-RR
[On/Off]
NOTE:
The item is indicated, but not monitored.
REQ SW-RL
[On/Off]
PUSH SW
[On/Off]
The switch status input from push-button ignition switch
KEY SW-SLOT
[On/Off]
Key switch status input from key slot
UNLK SEN-DR
[On/Off]
Driver door unlock status input from unlock sensor
DOOR SW-DR
[On/Off]
The switch status input from front door switch (driver side)
DOOR SW-AS
[On/Off]
The switch status input from front door switch (passenger side)
DOOR SW-RR
[On/Off]
The switch status input from rear door switch RH
DOOR SW-RL
[On/Off]
The switch status input from rear door switch LH
DOOR SW-BK
[On/Off]
NOTE:
The item is indicated, but not monitored.
CDL LOCK SW
[On/Off]
Lock switch status received from door lock/unlock switch by power window switch se-
rial link
CDL UNLOCK SW
[On/Off]
Unlock switch status received from door lock/unlock switch by power window switch
serial link
KEY CYL LK-SW
[On/Off]
Lock switch status received from key cylinder lock/unlock switch by power window
switch serial link
KEY CYL UN-SW
[On/Off]
Unlock switch status received from key cylinder lock/unlock switch by power window
switch serial link
BACK DOOR SW
[On/Off]
The switch status input from back door switch
RKE-LOCK
[On/Off]
Lock signal status received from remote keyless entry receiver
RKE-UNLOCK
[On/Off]
Unlock signal status received from remote keyless entry receiver
Test item
Operation
Description
BATTERY SAVER
Off
Cuts the interior room lamp power supply to turn interior room lamp OFF.
On
Outputs the interior room lamp power supply to turn interior room lamp ON.*
Revision: 2008 October
2009 Murano
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< COMPONENT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000003737073
1.
CHECK FUSE AND FUSIBLE LINK
Check that the following fuse and fusible link are not blown.
Is the fuse fusing?
YES
>> Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is
blown.
NO
>> GO TO 2.
2.
CHECK POWER SUPPLY CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connectors.
3.
Check voltage between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 3.
NO
>> Repair harness or connector.
3.
CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> INSPECTION END
NO
>> Repair harness or connector.
Signal name
Fuse and fusible link No.
Battery power supply
L
10
Terminals
Voltage
(Approx.)
(+)
(
−
)
BCM
Ground
Connector
Terminal
M118
1
Battery voltage
M119
11
BCM
Ground
Continuity
Connector
Terminal
M119
13
Existed
Revision: 2008 October
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INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
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INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
Description
INFOID:0000000003295108
Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery
saver activating.
Component Function Check
INFOID:0000000003295109
1.
CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION
CONSULT-III ACTIVE TEST
1.
Turn the ignition switch ON.
2.
Turn each interior room lamp ON.
-
Map lamp
-
Personal lamp
-
Step lamp
-
Vanity mirror lamp
-
Luggage room lamp
3.
Select "BATTERY SAVER" of BCM (BATTERY SAVER) active test item.
4.
With operating the test items, check that each interior room lamp turns ON/OFF.
Does the interior room lamp turn ON/OFF?
YES
>> Interior room lamp power supply circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003295110
1.
CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT
CONSULT-III ACTIVE TEST
1.
Turn the ignition switch ON.
2.
Select “BATTERY SAVER” of BCM (BATTERY SAVER) active test item.
3.
With operating the test item, check voltage between BCM harness connector and the ground.
Is the measurement value normal?
YES
>> GO TO 2.
NO
>> Replace BCM.
2.
CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT
1.
Turn the ignition switch OFF.
2.
Disconnect the following connectors.
-
Map lamp
-
Personal lamp
-
Vanity mirror lamp (driver side)
-
Vanity mirror lamp (passenger side)
-
Luggage room lamp (RH)
-
Luggage room lamp (LH)
-
Step lamp (driver side)
Off
: Interior room lamp OFF
On
: Interior room lamp ON
Terminals
Test item
Voltage (Ap-
prox.)
(+)
(–)
BCM
Ground
BATTERY
SAVER
Connector
Terminal
M119
4
Off
0 V
On
Battery volt-
age
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2009 Murano
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< COMPONENT DIAGNOSIS >
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
-
Step lamp (passenger side)
3.
Check continuity between BCM harness connector and each interior room lamp harness connector.
Does continuity exist?
YES
>> GO TO 3.
NO
>> Repair the harnesses or connectors.
3.
CHECK INTERIOR ROOM LAMP POWER SUPPLY SHORT CIRCUIT
Check continuity between BCM harness connector and the ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors.
NO
>> Check that each interior room lamp has no internal short circuit.
BCM
Each interior room lamp
Continuity
Connector
Terminal
Connector
Terminal
M119
4
Map lamp
R19
1
Existed
Personal lamp
R21
1
Vanity mirror lamp
(driver side)
R24
2
Vanity mirror lamp
(passenger side)
R10
2
Luggage room lamp
(RH)
D156
2
Luggage room lamp
(LH)
D157
2
Step lamp
(driver side)
D17
1
Step lamp
(passenger side)
D51
1
BCM
Ground
Continuity
Connector
Terminal
M119
4
Not existed
Revision: 2008 October
2009 Murano
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