Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
System Description: Function
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2005 Infiniti FX45, 2005 Infiniti FX35, 2004 Infiniti FX45, 2004 Infiniti FX35, and 2003 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.
Power is supplied at all times
- Through 50A fusible link (letter M , located in the fuse and fusible link block)
- To BCM terminal 55,
- Through 15A fuse [No. 22, located in the fuse block (J/B)]
- To key switch and ignition knob switch terminal 3 (with Intelligent Key)
- To key switch terminal 2 (without Intelligent Key), and
- To BCM terminal 42,
- Through 10A fuse [No. 38, located in the fuse and fusible link block (with Intelligent Key)]
- To key switch and ignition knob switch terminal 1,
- Through 10A fuse [No. 19, located in the fuse block (J/B)]
- To unified meter and A/C amp. terminal 21, and
- To combination meter terminal 8.
When ignition switch is in ON or START position, power is supplied
- Through 15A fuse [No. 1, located in the fuse block (J/B)]
- To BCM terminal 38,
- Through 10A fuse [No. 12, located in the fuse block (J/B)]
- To unified meter and A/C amp. terminal 22,
- Through 10A fuse [No. 14, located in the fuse block (J/B)]
- To combination meter terminal 7.
Ground is supplied
- To BCM terminals 49 and 52,
- To unified meter and A/C amp. terminals 29 and 30, and
- To combination meter terminals 5, 6 and 15
- Through grounds M35, M45 and M85.
NOTE:
When ignition key warning chime, light warning chime, and seat belt warning chime should be performed at the same time, the priorities for each chime are the following.
- Seat belt warning chime
- Light warning chime
- Ignition key warning chime
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.