Nissan Sentra manuals

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


  1. Turn ignition switch on.
  2. Turn each interior lamp to the ON position.
  1. Select battery saver of bcm (battery saver) active test item.
  2. 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


  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?


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

  1. Turn ignition switch off.
  2. Disconnect the following connectors.
  1. Check continuity between bcm connector and each interior lamp connector.

Is the inspection result normal?


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?


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 ...

Other materials:

Engine control system
ENGINE CONTROL SYSTEM : System Description SYSTEM DIAGRAM NOTE: Position switch and clutch pedal position switch are not used in models with CVT. ASCD steering switch and brake pedal position switch are used in models with ASCD. TCM and transmission range switch are not used in m ...

P0740 Torque converter
DTC Logic DTC DETECTION LOGIC DTC CONSULT screen terms (Trouble diagnosis content) DTC detection condition Possible causes P0740 TORQUE CONVERTER (Torque Converter Clutch Circuit/ Open) The TCM torque converter clutch solenoid valve current monitor readi ...

Brake pedal position switch
Component Function Check 1.CHECK BRAKE PEDAL POSITION SWITCH FUNCTION With CONSULT Turn ignition switch ON. Select “ENGINE” using CONSULT. Select “BRAKE SW1” in “DATA MONITOR” mode. Check “BRAKE SW1” indication under the following conditions. ...

© 2014-2020 Copyright www.nisentra.com