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.
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HOMESERVICE MANUALSNISSAN-DATSUN2009SENTRA L4-2.0L (MR20DE)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSRELAYS AND MODULES - COMPUTERS AND CONTROL SYSTEMSENGINE CONTROL MODULETECHNICAL SERVICE BULLETINSALL TECHNICAL SERVICE BULLETINSENGINE CONTROLS - ECM VIN REGISTRATION PROCEDURE
2009 Nissan-Datsun Sentra L4-2.0L (MR20DE)
Engine Controls - ECM VIN Registration Procedure
2009 Nissan-Datsun Sentra L4-2.0L (MR20DE)SECTION Engine Controls - ECM VIN Registration Procedure
Classification: EC09-028
Reference: NTB09-136
Date: December 1, 2009
2005 AND LATER; ECM VIN REGISTRATION
APPLIED VEHICLES: All Nissan 2005 and later
SERVICE INFORMATION
The Applied Vehicles must have the correct Vehicle Identification Number (VIN) registered in the Engine Control Module (ECM). The VIN registration process must be performed under the following conditions.
^ When installing a new ECM
^ If, during vehicle service, the VIN registration inside the ECM is found to be missing or incorrect.
When needed, use the Service Procedure in this bulletin to perform ECM VIN registration.
CLAIMS INFORMATION
Refer to the current Nissan Warranty Flat Rate Manual and use the appropriate claims coding for any repairs being performed.
SERVICE PROCEDURE
1. Connect C-III to the vehicle and perform the initial selections:
NOTE:
If C-III is already connected, go to Step 2.
a. Start C-III and Wait for the "Detecting VI/MI in progress" message to clear.
b. Select the detected VI from the list.
c. Wait for the "Checking the firmware version" message to clear.
d. Select Model and Year.
e. Confirm the correct model and year were selected.
f. Select Repair.
2. Select Direct Diagnostic Mode icon
3. Select System Diagnosis
4. Select Engine
5. Select OK
6. Select Work Support
7. Select VIN Registration
8. Select Next
9. Make sure the ignition is ON with engine OFF.
10. Select Start
11. Enter the VIN into C-III two times (see Figure 7).
^ Touch the C-III screen in the "VIN box" before typing.
^ Make sure to use all CAPITAL LETTERS.
^ Use the VIN from the vehicle you are working on.
12. Select Start
13. Turn the ignition OFF, and wait 10 seconds.
14. After waiting 10 seconds, turn the ignition ON.
15. Select OK
VIN registration is complete
Reference: NTB09-136
Date: December 1, 2009
2005 AND LATER; ECM VIN REGISTRATION
APPLIED VEHICLES: All Nissan 2005 and later
SERVICE INFORMATION
The Applied Vehicles must have the correct Vehicle Identification Number (VIN) registered in the Engine Control Module (ECM). The VIN registration process must be performed under the following conditions.
^ When installing a new ECM
^ If, during vehicle service, the VIN registration inside the ECM is found to be missing or incorrect.
When needed, use the Service Procedure in this bulletin to perform ECM VIN registration.
CLAIMS INFORMATION
Refer to the current Nissan Warranty Flat Rate Manual and use the appropriate claims coding for any repairs being performed.
SERVICE PROCEDURE
1. Connect C-III to the vehicle and perform the initial selections:
NOTE:
If C-III is already connected, go to Step 2.
a. Start C-III and Wait for the "Detecting VI/MI in progress" message to clear.
b. Select the detected VI from the list.
c. Wait for the "Checking the firmware version" message to clear.
d. Select Model and Year.
e. Confirm the correct model and year were selected.
f. Select Repair.
2. Select Direct Diagnostic Mode icon
3. Select System Diagnosis
4. Select Engine
5. Select OK
6. Select Work Support
7. Select VIN Registration
8. Select Next
9. Make sure the ignition is ON with engine OFF.
10. Select Start
11. Enter the VIN into C-III two times (see Figure 7).
^ Touch the C-III screen in the "VIN box" before typing.
^ Make sure to use all CAPITAL LETTERS.
^ Use the VIN from the vehicle you are working on.
12. Select Start
13. Turn the ignition OFF, and wait 10 seconds.
14. After waiting 10 seconds, turn the ignition ON.
15. Select OK
VIN registration is complete
RENDER: 1.0x
NO RELATED
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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.