2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE

System Description: Inputs

WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

Power is supplied at all times

  • to BCM terminal 7
  • through 50A fusible link [letter FΒ  , located in the fuse block (J/B)].
  • to key switch terminal 3
  • through 10A fuse (No. 21, located in the fuse and fusible link box).

When the key switch is ON (key is inserted in ignition key cylinder), power is supplied

  • to BCM terminal 62
  • through key switch terminal 4.

When the ignition switch is ACC or ON, power is supplied

  • to BCM terminal 36
  • through 10A fuse [No. 6, located in the fuse block (J/B)].

When the ignition switch is ON or START, power is supplied

  • to BCM terminal 35
  • through 10A fuse [No. 1, located in the fuse block (J/B)].

When the front door switch (driver side) is ON (door is OPEN), ground is supplied

  • to BCM terminal 14 and unified meter and A/C amp. terminal 8
  • through front door switch (driver side) terminal 4 and 5
  • through grounds M14 and M78.

When the front door switch (passenger side) is ON (door is OPEN), ground is supplied

  • to BCM terminal 10 and unified meter and A/C amp. terminal 7
  • through front door switch (passenger side) terminal 4 and 5
  • through grounds M14 and M78.

When the rear door switch LH is ON (door is OPEN), ground is supplied

  • to unified meter and A/C amp. terminal 18
  • through rear door switch LH terminal 4 and 5
  • through grounds B7 and B20.

When the rear door switch RH is ON (door is OPEN), ground is supplied

  • to unified meter and A/C amp. terminal 17
  • through rear door switch RH terminal 4 and 5
  • through grounds B105 and B116.

Combination meter send door open signal to BCM with CAN communication system. When the back door switch is ON (back door OPEN), ground is supplied

  • to BCM terminal 18
  • through back door switch terminal 1 and 3
  • through grounds B7 and B20.

Key fob signal is inputted to BCM (the antenna of the system is combined with BCM). The remote keyless entry system controls operation of the

  • power door lock
  • hazard and horn reminder
  • auto door lock
  • room lamp and ignition keyhole illumination
  • panic alarm
  • keyless power window down (open)

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.