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:

Cleaning
If your windshield is not clear after using the windshield washer or if a wiper blade chatters when running, wax or other material may be on the blade or windshield. Clean the outside of the windshield with a washer fluid or a mild detergent. Your windshield is clean if beads do not form whe ...

Warning/indicator lights and audible reminders
Anti-lock Braking System (ABS) warning light Brake warning light Charge warning light Door open warning light Engine oil pressure warning light Low fuel warning light Low tire pressure warning light Low windshield-washer fluid warning light NISSAN Intelligent Key® lock warni ...

Main line between ipdm-e and dlc circuit
Diagnosis procedure 1.Check connector Turn the ignition switch off. Disconnect the battery cable from the negative terminal. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side). Harness connector e4 Harness connec ...

© 2014-2021 Copyright www.nisentra.com