Nissan Note E12. Instruction — part 391
BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
INL-29
< DTC/CIRCUIT DIAGNOSIS >
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BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
Description
INFOID:0000000009671202
Provides the battery saver output/power supply. Also cuts the power supply when the interior lamp battery
saver is activated.
Component Function Check
INFOID:0000000009671203
1.
CHECK BATTERY SAVER OUTPUT/POWER SUPPLY FUNCTION
CONSULT
1. Turn ignition switch ON.
2. Turn each interior lamp to the ON position.
-
Interior room lamp
-
Map lamp
-
Cargo lamp
3. Select BATTERY SAVER of BCM (BATTERY SAVER) active test item.
4. While operating the test item, check that each interior room lamp turns ON/OFF.
Is the inspection result normal?
YES
>> Battery saver output/power supply circuit is normal.
NO
>> Refer to
.
Diagnosis Procedure
INFOID:0000000009671204
Regarding Wiring Diagram information, refer to
.
1.
CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OUTPUT
CONSULT
1. Turn ignition switch ON.
2. Select BATTERY SAVER of BCM (BATTERY SAVER) active test item.
3. While operating the test item, check voltage between BCM connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace BCM after making sure battery saver output/power supply circuit is not shorted to volt-
BCS-67, "Removal and Installation"
2.
CHECK BATTERY SAVER OUTPUT/POWER SUPPLY OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect the following connectors.
-
BCM
-
Interior room lamp
-
Map lamp
-
Cargo lamp
3. Check continuity between BCM connector and each interior lamp connector.
OFF
: Interior room lamp OFF
ON
: Interior room lamp ON
(+)
(-)
Test item
Voltage
Connector
Terminal
BATTERY SAVER
M99
56
Ground
OFF
0V
ON
Battery voltage
INL-30
< DTC/CIRCUIT DIAGNOSIS >
BATTERY SAVER OUTPUT/POWER SUPPLY CIRCUIT
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace the harness or connector.
3.
CHECK BATTERY SAVER OUTPUT/POWER SUPPLY SHORT CIRCUIT
Check continuity between BCM connector and ground.
Is the inspection result normal?
YES
>> Check that each interior room lamp has no internal short circuit.
NO
>> Repair or replace the harness or connector.
BCM
Each interior lamp
Continuity
Connector
Terminal
Connector
Terminal
M99
56
Interior room lamp
R7
2
Yes
Map lamp
R2
4
Cargo lamp
B21
1
Connector
Terminal
—
Continuity
M99
56
Ground
No
INTERIOR ROOM LAMP CONTROL CIRCUIT
INL-31
< DTC/CIRCUIT DIAGNOSIS >
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INTERIOR ROOM LAMP CONTROL CIRCUIT
Description
INFOID:0000000009671205
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:0000000009671206
CAUTION:
Before performing the diagnosis, check that the following are normal.
• Interior room lamp power supply
• Map lamp bulb
• Room lamp bulb
1.
CHECK INTERIOR ROOM LAMP CONTROL FUNCTION
CONSULT
1. Switch the map lamp switch or interior room lamp switch to DOOR.
2. Turn ignition switch ON.
3. Select INT LAMP of BCM (INT LAMP) ACTIVE TEST item.
4. While operating the test item, check that each interior room lamp turns ON/OFF.
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:0000000009671207
Regarding Wiring Diagram information, refer to
.
1.
CHECK INTERIOR ROOM LAMP CONTROL OUTPUT
CONSULT
1. Turn ignition switch OFF.
2. Remove all the bulbs of map lamp and interior room lamp.
3. Turn ignition switch ON.
4. Select INT LAMP of BCM (INT LAMP) ACTIVE TEST item.
5. While operating the test item, check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> GO TO 2.
Fixed ON>>GO TO 3.
Fixed OFF>>Replace BCM after making sure battery saver output/power supply circuit is not shorted to volt-
BCS-67, "Removal and Installation"
2.
CHECK INTERIOR ROOM LAMP CONTROL OPEN CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and map lamp connector or interior room lamp connector.
3. Check continuity between BCM harness connector and map lamp harness connector or interior room
lamp harness connector.
On
: Interior room lamp gradual brightening
Off
: Interior room lamp gradual dimming
BCM
Ground
Test item
Continuity
Connector
Terminal
M99
63
INT LAMP
On
Yes
Off
No
INL-32
< DTC/CIRCUIT DIAGNOSIS >
INTERIOR ROOM LAMP CONTROL CIRCUIT
With map lamp
Is the inspection result normal?
YES
>> Check that map lamp or interior room lamp has no internal open circuit.
NO
>> Repair or replace harness or connector.
3.
CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector.
3. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Replace BCM after making sure battery saver output/power supply circuit is not shorted to volt-
BCS-67, "Removal and Installation"
NO
>> GO TO 4.
4.
CHECK INTERIOR ROOM LAMP CONTROL SHORT CIRCUIT
1. Disconnect interior room lamp connector or map lamp connector.
2. Check continuity between BCM harness connector and ground.
Is the inspection result normal?
YES
>> Check that map lamp or interior room lamp has no internal short circuit.
NO
>> Repair or replace harness or connector.
BCM
Map lamp
Continuity
Connector
Terminal
Connector
Terminal
M99
63
R2
2
Yes
BCM
Interior room lamp
Continuity
Connector
Terminal
Connector
Terminal
M99
63
R7
3
Yes
BCM
Ground
Continuity
Connector
Terminal
M99
63
No
BCM
Ground
Continuity
Connector
Terminal
M99
63
No
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