Nissan Sentra manuals

Nissan Sentra Service Manual: 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".

Caution:

Before performing the diagnosis, check that the following are normal.

1.Check trunk room lamp output

  1. Turn ignition switch OFF.
  2. Remove the trunk room lamp bulb.
  3. Check continuity between bcm harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> trunk room lamp control circuit is operating normally.

Fixed on>>go to 3.

Fixed off>>go to 2.

2.Check trunk room lamp open circuit

Check continuity between bcm harness connector and trunk room lamp harness connector.

Is the inspection result normal?


Is the inspection result normal? Yes >> check trunk room lamp for an open. If ng, replace lamp. Refer to inl-56, "removal and installation".

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 trunk room lamp short to ground

  1. Disconnect bcm harness connector.
  2. Check continuity between BCM harness connector and ground.

Is the inspection result normal?


Is the inspection result normal? Yes >> check trunk room lamp for an internal short to ground. If ng, replace lamp. Refer to inl-56, "removal and installation". 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.

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