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
Section 6 (Computer Relearn Procedures)
WARNING: This page does not describe the selected car, but rather 162 other vehicles, including the 2001 Volvo V70, 2001 Volvo V40, 2001 Volvo S80, 2001 Volvo S60, and 2001 Volvo S40. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- ACURA
- AUDI
- BMW
- HONDA
- HYUNDAI
- INFINITI
- ISUZU
- Jaguar
- KIA
- Land Rover
- LEXUS
- MAZDA
- Immobilizer System (626)
- Notes
- Key Replacement Or Addition (Customer Supplied 2 Or More Valid Keys)
- Key Replacement Or Addition (Customer Supplied Only One Or No Valid Keys)
- Immobilizer Unit (Customer Supplied At Least One Valid Key)
- PCM (Customer Supplied 2 Or More Valid Keys)
- PCM (Customer Supplied Only One Valid Key)
- Immobilizer Unit & PCM
- Reprogram Error Recovery
- Inputting Code Word
- Immobilizer System (626)
- MERCEDES-BENZ
- ECM Version Coding
- Enabling Code Function For Radio
- Notes
- Audio 10 Models (CLK, E & SLK Class)
- Audio 30 Models (CLK, E & SLK Class)
- Becker Radio (CL, S & SL Class)
- Panasonic Exquisite Radio (CL, S & SL Class)
- Radio With Navigation Control Module (CL, S & SL Class)
- Radio With 4-Digit Fixed Code (CL, S & SL Class)
- Radio & Radio With Navigation Control Module With 5-Digit Fixed Code (CL, S & SL Class)
- Radio (ML Class)
- Programming Supplemental Restraint System (SRS) Control Module
- MITSUBISHI
- NISSAN
- PORSCHE
- SAAB
- SUBARU
- SUZUKI
- TOYOTA
- VOLKSWAGEN
- VOLVO
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:
- 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.
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