Nissan Sentra Service Manual: 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/power supply function
Consult
- Turn ignition switch on.
- Turn each interior lamp to the ON position.
- Interior room lamp
- Vanity mirror lamps
- Map lamp
- Trunk room lamp
- Select battery saver of bcm (battery saver) active test item.
- While operating the test item, check that each interior room lamp turns ON/OFF.
Off : interior room lamp off
On : interior room lamp on
Is the inspection result normal? Yes >> battery saver output/power supply circuit is normal.
No >> refer to inl-43, "diagnosis procedure".
Diagnosis procedure
Regarding wiring diagram information, refer to inl-17, "wiring diagram".
1.Check battery saver output/power supply output
Consult
- Turn ignition switch on.
- Select battery saver of bcm (battery saver) active test item.
- 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 voltage.
Refer to bcs-73, "removal and installation" (with intelligent key) or bcs-126, "removal and installation" (without intelligent key).
2.Check battery saver output/power supply open circuit
- Turn ignition switch off.
- Disconnect the following connectors.
- Bcm
- Interior room lamp
- Vanity mirror lamp LH
- Vanity mirror lamp RH
- Map lamp
- Trunk room lamp
- Check continuity between bcm connector and each interior lamp connector.
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.
Power supply and ground circuit
Bcm (body control system) (with intelligent key system)
BCM (BODY CONTROL SYSTEM) (WITH INTELLIGENT KEY SYSTEM) : Diagnosis Procedure
Regarding Wiring Diagram information, refer to BCS-51, "Wir ...
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
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Other materials:
B0029 Side curtain air bag module RH
Description
DTC B0029 RH SIDE CURTAIN AIR BAG MODULE
The RH side curtain air bag module is wired to the air bag diagnosis sensor
unit. The air bag diagnosis sensor
unit will monitor for opens and shorts in detected lines to the RH side curtain
air bag module.
PART LOCATION
Refer to SRC-5, ...
Starting system (with intelligent key)
Wiring Diagram
...
Service data and specifications (SDS)
Wheel Alignment (Unladen*1)
*1: Fuel, engine coolant, and lubricants are full. Spare tire, jack, hand
tools, and mats are in designated positions.
*2: Since an adjustment mechanism is not included, the value of the left and
right wheels (both wheels) must be used as the standard
value.
...