WARNING: This page is about a different car, the 2003 Nissan Altima. 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 f , located in the fuse and fusible link box).
to key switch terminal 3
through 10A fuse [No. 19, located in the fuse block (J/B)].

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

through key switch terminal 4
to BCM terminal 62.

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

to BCM terminal 14 and 54 (without vehicle security system).
through front door switch LH terminal 2
to driver door switch case ground.

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

to BCM terminal 10
through front door switch RH terminal 2
to front door switch RH case ground.

When the rear door switches are ON (door is OPEN), ground is supplied

to BCM terminal 11
through rear door switches terminal 1
to rear door switches case grounds.

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

power door lock
trunk lid opener
interior lamp and step lamps
panic alarm
hazard and horn reminder
keyless power window down (open)

When to See a Mechanic

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

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

System Description: Inputs

Use the Manual With the Right Hardware

When to See a Mechanic

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