Nissan Sentra Service Manual: Interior room lamp control circuit
Description
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
Caution:
Before performing the diagnosis, check that the following are normal.
- Interior room lamp power supply
- Room lamp bulb
- Map lamp bulb
1.Check interior room lamp control function
Consult active test
- Se the map lamp switch or room lamp switch to door.
- Turn ignition switch on.
- Select int lamp of bcm (int lamp) active test item.
- While operating the test items, check that each interior room lamp turns ON/OFF (gradual brightening/ dimming).
On : interior room lamp gradual brightening
Off : interior room lamp gradual dimming
Does the interior room lamp turns ON/OFF (gradual brightening/dimming)? YES >> Interior room lamp control circuit is normal.
NO >> Refer to INL-45, "Diagnosis Procedure".
Diagnosis procedure
Regarding Wiring Diagram information, refer to INL-17, "Wiring Diagram".
1.Check interior room lamp control output
Consult active test
- Turn ignition switch OFF
- Remove all the bulbs of room lamp and map lamp.
- Turn ignition switch on.
- Select int lamp of bcm (int lamp) active test item.
- While operating the test item, check continuity between BCM harness connector and ground.
Is the inspection result normal? Yes >> interior room lamp control circuit is operating normally.
Fixed on>>go to 3.
Fixed off>>go to 2.
2.Check interior room lamp control open circuit
- Turn ignition switch off.
- Disconnect bcm connector and room lamp and map lamp connector.
- Check continuity between BCM harness connector and room lamp harness connector.
Is the inspection result normal? Yes >> check interior room lamps for an open. If ng, replace lamp in question. Refer to inl-55, "removal and installation" (room lamp) or inl-52, "removal and installation" (map lamp). If ok, replace bcm. Refer to bcs-73, "removal and installation" (with intelligent key), bcs-126, "removal and installation" (without intelligent key).
No >> repair or replace harness or connector.
3.Check interior room lamp control short to ground
- Turn ignition switch off.
- Disconnect BCM connector.
- Check continuity between BCM harness connector and ground.
Is the inspection result normal? Yes >> check interior room lamps for an internal short to ground. If ng, replace lamp in question. Refer to inl-55, "removal and installation" (room lamp) or inl-52, "removal and installation" (map lamp). If ok, replace bcm. Refer to bcs-73, "removal and installation" (with intelligent key), bcs-126, "removal and installation" (without intelligent key).
No >> repair or replace harness or connector.
Battery saver output/power supply circuit
Description
Provides the battery saver output/power supply. Also cuts the power supply
when the interior lamp battery
saver is activated.
Component function check
1.Check battery saver output/po ...
Trunk room lamp circuit
Description
Controls the trunk room lamp (ground side) to turn the trunk room lamp on and
off.
Diagnosis Procedure
Regarding wiring diagram information, refer to inl-17, "wiring diagram" ...
Other materials:
Folding rear seat
Pull the knob A to fold each seatback down.
WARNING
Never allow anyone to ride in the cargo
area or on the rear seat when it is in the
fold-down position. Use of these areas
by passengers without proper restraints
could result in serious injury in an accident
or s ...
Information voice commands
The following voice commands are available for
the information functions of the Navigation System:
Traffic
Fuel Prices
Stocks
Movie Listings
Current Weather
Weather Map
5 — day Forecast
6 — hour Forecast
For more information about these commands,
see the separate Navigatio ...
Control buttons
The control buttons for the Bluetooth® Hands-Free
Phone System are located on the steering wheel.
PHONE/SEND
Press the button to
initiate a
VR session or answer an incoming
call.
You can also use the button to
interrupt the system feedback and
give a command at once. See “L ...
