Nissan Sentra manuals

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.

1.Check interior room lamp control function

Consult active test


  1. Se the map lamp switch or room lamp switch to door.
  2. Turn ignition switch on.
  3. Select int lamp of bcm (int lamp) active test item.
  4. 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


  1. Turn ignition switch OFF
  2. Remove all the bulbs of room lamp and map lamp.
  3. Turn ignition switch on.
  4. Select int lamp of bcm (int lamp) active test item.
  5. While operating the test item, check continuity between BCM harness connector and ground.

Is the inspection result normal?


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

  1. Turn ignition switch off.
  2. Disconnect bcm connector and room lamp and map lamp connector.
  3. Check continuity between BCM harness connector and room lamp harness connector.

Is the inspection result normal?


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

  1. Turn ignition switch off.
  2. Disconnect BCM connector.
  3. Check continuity between BCM harness connector and ground.

Is the inspection result normal?


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:

Camshaft
Exploded View Camshaft position sensor (EXH) O-ring Camshaft bracket Camshaft (EXH) Camshaft sprocket (EXH) Camshaft sprocket (INT) Camshaft (INT) Valve lifter (EXH) Valve lifter (INT) Signal plate (INT) Signal plate (EXH) O-ring Camshaft position sensor (INT) A. ...

Diagnosis system (bcm) (without intelligent key system)
Common item Common item : consult function (bcm - common item) APPLICATION ITEM CONSULT performs the following functions via CAN communication with BCM. Direct Diagnostic Mode Description ECU identification The BCM part number is displayed. Self Diagnostic Result ...

B00D5 Passenger air bag OFF Indicator
Description DTC B00D5 FRONT PASSENGER AIR BAG OFF INDICATOR The front passenger air bag off indicator is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit monitors the front passenger air bag off indicator and circuit for failures. PART LOCATION Refer to SRC-5, ...

В© 2014-2018 Copyright www.nisentra.com