Nissan Qashqai (2007-2010). Manual — part 1414
POWER SUPPLY AND GROUND CIRCUIT
INL-19
< COMPONENT DIAGNOSIS >
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COMPONENT DIAGNOSIS
POWER SUPPLY AND GROUND CIRCUIT
BCM
BCM : Diagnosis Procedure
INFOID:0000000001099291
1.
CHECK FUSES AND FUSIBLE LINK
Check that the following fuses and fusible link are not fusing.
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.
Terminal No.
Signal name
Fuses and fusible link No.
41
Battery power supply
9
57
J
37
ACC power supply
5
38
Ignition power supply
4
Terminals
Ignition switch position
(+)
(
−
)
BCM
OFF
ACC
ON
Connector
Terminal
M65
37
Ground
Approx.
0 V
Battery
voltage
Battery
voltage
38
Approx.
0 V
Approx.
0 V
Battery
voltage
M66
41
Battery
voltage
Battery
voltage
Battery
voltage
M67
57
BCM
Ground
Continuity
Connector
Terminal
M67
55
Existed
INL-20
< COMPONENT DIAGNOSIS >
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
Description
INFOID:0000000001033375
Provides the interior room lamp power supply. Also cuts the power supply when the interior room lamp battery
saver activating.
Component Function Check
INFOID:0000000001033376
1.
CHECK INTERIOR ROOM LAMP POWER SUPPLY FUNCTION
CONSULT-III ACTIVE TEST
1.
Turn ignition switch ON.
2.
Turn each interior room lamp ON.
-
Map lamp
-
Room lamp
-
Personal 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 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:0000000001033377
1.
CHECK INTERIOR ROOM LAMP POWER SUPPLY OUTPUT
CONSULT-III 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.
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
-
Personal lamp (RH)
-
Personal lamp (LH)
-
Vanity mirror lamp (driver side)
-
Vanity mirror lamp (passenger side)
-
Luggage room lamp
OFF
: Interior room lamp OFF
ON
: Interior room lamp ON
Terminals
Test item
Voltage (Ap-
prox.)
(+)
(
−
)
BCM
Ground
BATTERY
SAVER
Connector
Terminal
M66
42
OFF
0 V
ON
Battery volt-
age
INTERIOR ROOM LAMP POWER SUPPLY CIRCUIT
INL-21
< COMPONENT DIAGNOSIS >
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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
M66
42
Map lamp
R4
4
Existed
Room lamp
R15
4
Personal lamp (RH)
R8
2
Personal lamp (LH)
R7
2
Vanity mirror lamp
(passenger side)
R10
1
Vanity mirror lamp
(driver side)
R9
1
Luggage room lamp
B83
1
BCM
Ground
Continuity
Connector
Terminal
M66
42
Not existed
INL-22
< COMPONENT DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL CIRCUIT
INTERIOR ROOM LAMP CONTROL CIRCUIT
Description
INFOID:0000000001033378
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:0000000001033379
CAUTION:
Before the diagnosis, check that the following items are normal.
• Interior room lamp power supply
• Map lamp bulb
• Room lamp bulb
• Personal lamp bulb
• Luggage room 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:0000000001033380
1.
CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT-III ACTIVE TEST
1.
Turn ignition switch OFF.
2.
Remove all the bulbs of following lamps.
-
Map lamp
-
Room lamp
-
Personal lamp (RH)
-
Personal lamp (LH)
-
Luggage 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.
Is the measurement value normal?
YES
>> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM. Refer to
.
ON
: Interior room lamp gradual
brightening
OFF
: Interior room lamp gradual dim-
ming
BCM
Ground
Test item
Continuity
Connector
Terminal
INT LAMP
M66
52
ON
Existed
OFF
Not existed
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