Nissan Murano Z51. Instruction — part 904
DIAGNOSIS SYSTEM (BCM)
INL-17
< SYSTEM DESCRIPTION >
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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.*
INL-18
< DTC/CIRCUIT DIAGNOSIS >
POWER SUPPLY AND GROUND CIRCUIT
DTC/CIRCUIT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000005516770
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
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
INL-19
< DTC/CIRCUIT DIAGNOSIS >
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INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
Description
INFOID:0000000005516771
Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery
saver activating.
Component Function Check
INFOID:0000000005516772
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.
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Map lamp
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Personal lamp
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Step lamp
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Vanity mirror lamp
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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:0000000005516773
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)
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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
INL-20
< DTC/CIRCUIT 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
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