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.
2008 Nissan-Datsun Sentra SE-RFACTORY OEM SERVICE PROCEDURE
Control Units
CONTROL UNITS LOCATION
| Component | Location |
|---|---|
| ABS Actuator & Electric Unit (Control Unit) | Right rear of engine compartment. See Figure. |
| Air Bag Diagnosis Sensor Unit | Below center floor console. See Figure. |
| BCM (Body Control Module) | Behind right side of dash. See Figure. |
| Bluetooth Control Unit | Under driver's seat. See Figure. |
| ECM (E16) | On left side of firewall. See Figure. |
| Electric Throttle Control Actuator (2.0L) (F7) | On throttle body. See Figure. |
| Electric Throttle Control Actuator (2.5L) (F7) | On throttle body. See Figure. |
| EPS Control Unit | On steering column. See Figure. |
| Fan Control Amp. (M52) | Behind right side of dash. See Figure. |
| Front Left Side Air Bag Module (B37) | Under driver's seat. See Figure. |
| Front Right Side Air Bag Module (B51) | Under front passenger's seat. See Figure. |
| Left Side Curtain Air Bag Module (B23) | Base of left "C" pillar. See Figure. |
| Right Side Curtain Air Bag Module (B35) | Base of right "C" pillar. See Figure. |
| TCM (Transmission Control Module) | Left front of engine compartment. See Figure. |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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