Nissan Sentra manuals

Nissan Sentra Service Manual: Battery saver output/power supply circuit

Nissan Sentra Service Manual / Driver controls / Interior lighting system / Dtc/circuit diagnosis / 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:

S terminal circuit
Description The output voltage of the generator is controlled by the IC regulator at terminal “S” detecting the input voltage from battery. The “S” terminal circuit detects the battery voltage to adjust the generator output voltage with the IC voltage regulator. Diagn ...

P1217 Engine over temperature
DTC Logic DTC DETECTION LOGIC NOTE: If DTC P1217 is displayed with DTC UXXXX, first perform the trouble diagnosis for DTC UXXXX. If DTC P1217 is displayed with DTC P0607, first perform the trouble diagnosis for DTC P0607. Refer to EC-350, "DTC Logic". If the cooling fan ...

Dtc/circuit diagnosis
Door mirror remote control switch (mirror switch/changeover switch) Component Inspection 1.Check mirror switch & changeover switch Turn ignition switch off. Disconnect door mirror remote control switch connector. Check door mirror remote control switch. Is the inspection result ...

© 2014-2019 Copyright www.nisentra.com