Nissan Cube. Manual — part 601
INL-24
< DTC/CIRCUIT DIAGNOSIS >
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
Description
INFOID:0000000009950932
Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery
saver activating.
Component Function Check
INFOID:0000000009950933
1.
CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION
CONSULT ACTIVE TEST
1.
Turn ignition switch ON.
2.
Turn each interior room lamp ON.
-
Map lamp
-
Room 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 is turned ON/OFF.
Is the interior room lamp turned ON/OFF?
YES
>> Interior room lamp power supply circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009950934
1.
CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT
CONSULT ACTIVE TEST
1.
Turn 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 ground.
*1: With Intelligent Key
*2: Without Intelligent Key
Is the measurement value normal?
YES
>> GO TO 2.
NO
>> Replace BCM. Refer to
2.
CHECK INTERIOR ROOM LAMP POWER SUPPLY OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the following connectors.
-
Map lamp
-
Room lamp
-
Luggage room lamp
3.
Check continuity between BCM harness connector and each interior room lamp harness connector.
Off
: Interior room lamp OFF
On
: Interior room lamp ON
Terminals
Test item
Voltage (Ap-
prox.)
(+)
(
−
)
BCM
Ground
BATTERY
SAVER
Connector
Terminal
M70
*1
M67
*2
56
Off
0 V
On
Battery volt-
age
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
INL-25
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
INL
N
O
P
*1: With Intelligent Key
*2: Without Intelligent Key
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 ground.
*1: With Intelligent Key
*2: Without Intelligent Key
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
Continu-
ity
Connec-
tor
Terminal
Connector
Terminal
M70
*1
M67
*2
56
Map lamp
R4
4
Existed
Room lamp
R6
1
Luggage room lamp
B11
1
BCM
Ground
Continuity
Connector
Terminal
M70
*1
M67
*2
56
Not existed
INL-26
< DTC/CIRCUIT DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL CIRCUIT
INTERIOR ROOM LAMP CONTROL CIRCUIT
Description
INFOID:0000000009950935
Controls each interior room lamp (ground side) by PWM signal.
NOTE:
PWM signal control period is approximately 250 Hz (in the gradual brightening/dimming).
Component Function Check
INFOID:0000000009950936
CAUTION:
Before the diagnosis, check that the following items are normal.
• Interior room lamp power supply
• Map lamp bulb
• Room lamp bulb
1.
CHECK INTERIOR ROOM LAMP CONTROL FUNCTION
CONSULT ACTIVE TEST
1.
Switch the map lamp switch to DOOR.
2.
Turn ignition switch ON.
3.
Select “INT LAMP” of BCM (INT LAMP) active test item.
4.
With operating the test items, check that each interior room lamp turns ON/OFF (gradual brightening/dim-
ming).
Does the interior room lamp turns ON/OFF (gradual brightening/dimming)?
YES
>> Interior room lamp control circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009950937
1.
CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Remove all the bulbs of following lamps.
-
Map lamp
-
Room lamp
3.
Select “INT LAMP” of BCM (INT LAMP) active test item.
4.
With operating the test item, check continuity between BCM harness connector and ground.
*1: With Intelligent Key
*2: Without Intelligent Key
Is the measurement value normal?
YES
>> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to
.
2.
CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect the following connectors.
On
: Interior room lamp gradual
brightening
Off
: Interior room lamp gradual dim-
ming
BCM
Ground
Test item
Continuity
Connector
Terminal
INT LAMP
M70
*1
M67
*2
63
On
Existed
Off
Not existed
INTERIOR ROOM LAMP CONTROL CIRCUIT
INL-27
< DTC/CIRCUIT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
INL
N
O
P
-
Map lamp
-
Room lamp
3.
Check continuity between BCM harness connector, map lamp harness connector, and room lamp harness
connector.
*1: With Intelligent Key
*2: Without Intelligent Key
Does continuity exist?
YES
>> Replace the map lamp or the room lamp.
NO
>> Repair the harnesses or connectors.
3.
CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector, map lamp connector and room lamp connector.
3.
Check continuity between BCM harness connector and ground.
*1: With Intelligent Key
*2: Without Intelligent Key
Does continuity exist?
YES
>> Repair the harnesses or connectors.
NO
>> Replace BCM. Refer to
.
BCM
Map lamp/room lamp
Continuity
Connec-
tor
Terminal
Connector
Terminal
M70
*1
M67
*2
63
Map lamp
R4
2
Existed
Room lamp
R6
2
BCM
Ground
Continuity
Connector
Terminal
M70
*1
M67
*2
63
Not existed
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