Infiniti EX35. Manual — part 946
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
INL-21
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
INL
N
O
P
-
Luggage room lamp (back door side)
-
Step lamp (driver side)
-
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 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
Continu-
ity
Connec-
tor
Terminal
Connector
Terminal
M119
4
Roof module
R11
12
Existed
Foot lamp
(driver side)
M27
1
Foot lamp
(passenger side)
M113
1
Vanity mirror lamp
(LH)
R12
2
Vanity mirror lamp
(RH)
R13
2
Luggage room lamp
(luggage side)
B229
2
Luggage room lamp
(back door side)
D110
2
Step lamp (driver
side)
D12
1
Step lamp (passen-
ger side)
D42
1
BCM
Ground
Continuity
Connector
Terminal
M119
4
Not existed
INL-22
< COMPONENT DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL CIRCUIT
INTERIOR ROOM LAMP CONTROL CIRCUIT
Description
INFOID:0000000003135150
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:0000000003135151
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Interior room lamp power supply
• Map lamp bulb
• Personal lamp bulb
• Foot lamp bulb
1.
CHECK INTERIOR ROOM LAMP CONTROL FUNCTION
CONSULT-III 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:0000000003135152
1.
CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT-III ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Remove all the bulbs of map lamp, foot lamp and personal 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.
Is the measurement value normal?
YES
>> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM.
2.
CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector, roof module connector and foot lamp connector.
3.
Check continuity between BCM harness connector, roof module harness connector, and foot lamp har-
ness connector.
On
: Interior room lamp gradual
brightening
Off
: Interior room lamp gradual dim-
ming
BCM
Ground
Test item
Continuity
Connector
Terminal
INT LAMP
M119
19
On
Existed
Off
Not existed
INTERIOR ROOM LAMP CONTROL CIRCUIT
INL-23
< COMPONENT DIAGNOSIS >
C
D
E
F
G
H
I
J
K
M
A
B
INL
N
O
P
Does continuity exist?
YES
>> Replace the roof module or the foot lamp.
NO
>> Repair the harnesses or connectors.
3.
CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector, roof module connector and foot lamp connector.
3.
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES
>> Repair the harnesses or connectors.
NO
>> Replace BCM.
BCM
Roof module/foot lamp
Continuity
Connec-
tor
Terminal
Connector
Terminal
M119
19
Roof module
R11
9
Existed
Foot lamp
(driver side)
M27
2
Foot lamp
(passenger side)
M113
2
BCM
Ground
Continuity
Connector
Terminal
M119
19
Not existed
INL-24
< COMPONENT DIAGNOSIS >
STEP LAMP CIRCUIT
STEP LAMP CIRCUIT
Description
INFOID:0000000003135153
Controls the step lamp (ground side) to turn the step lamp ON and OFF.
Component Function Check
INFOID:0000000003135154
CAUTION:
Before performing the diagnosis, check that the following is normal.
• Interior room lamp power supply
• Step lamp bulb
1.
CHECK STEP LAMP OPERATION
CONSULT-III ACTIVE TEST
1.
Turn ignition switch ON.
2.
Select "STEP LAMP TEST" of BCM (INT LAMP) active test item.
3.
With operating the test items, check that step lamp turns ON/OFF.
Does the step lamp turn ON/OFF?
YES
>> Step lamp circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000003135155
1.
CHECK STEP LAMP OUTPUT
CONSULT-III ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Remove the step lamp bulbs (driver side and passenger side).
3.
Turn ignition switch ON.
4.
Select “STEP LAMP TEST” of BCM (INT LAMP) active test item.
5.
With operating the test item, check continuity between BCM harness connector and ground.
Is the measurement value normal?
YES
>> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM.
2.
CHECK STEP LAMP OPEN CIRCUIT
1.
Turn ignition switch OFF.
2.
Disconnect BCM connector, and step lamp connector.
3.
Check continuity between BCM harness connector and step lamp harness connector.
On
: Step lamp ON
Off
: Step lamp OFF
BCM
Ground
Test item
Continuity
Connector
Terminal
STEP LAMP
TEST
M119
7
On
Existed
Off
Not existed
BCM
Step lamp
Continuity
Connec-
tor
Terminal
Connector
Terminal
M119
7
Driver side
D12
2
Existed
Passenger
side
D42
2
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