Engine Control Module: Testing and Inspection

HOW TO PERFORM VEHICLE IDENTIFICATION NUMBER (VIN) WRITING

The Vehicle Identification Number (VIN) is stored in the ECM or PCM by the vehicle manufacture. If the VIN to be stored in the ECM or PCM is eliminated fraudulently, the Malfunction Indicator Lamp (SERVICE ENGINE SOON or Check Engine Lamp) illuminates and Diagnostic Trouble Code (DTC) No.P0630 (VIN malfunction) is shown. When the ECM or PCM is replaced, and entry of the VIN necessary due to DTC No. P0630 (VIN malfunction). Enter the VIN in accordance with the procedure as follows:

VIN CODE REGISTRATION PROCEDURE FOR ECM [M/T] OR PCM [A/T]

Required Special Tools:

- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A





1.
CAUTION:

- Check that DTC No.P0603 (EEPROM malfunction) is not set. If DTC No.P0603 (EEPROM malfunction) is set, entered VIN cannot be stored. Therefore, carry out troubleshooting and repair the malfunction when this code is set.
- To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.

Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.





3. Select "System select."





4. Choose "From 2006."





5. Enter the VIN code of the vehicle that is being registered. Then, press "OK" button.





6. Select "IMMOBILIZER."





7. Select "Special Function."





8. Select "Engine Key Code Reg.&VIN Writing."





9. Depress the OK button.





10. When the key registration completion menu is displayed, press the OK button.





11. Enter the VIN code (all 17 characters) of the vehicle that is being registered. Then, press "OK" button.





12. When the execution confirmation menu of the VIN writing is displayed, press the OK button.





13. When the VIN writing completion menu is displayed, press the OK button.





14. The results of VIN writing are displayed.
15. Turn off the M.U.T.-III.
16. Turn the ignition switch to the "LOCK" (OFF) position.
17. Disconnect scan tool MB991958 from the data link connector.

VIN CODE REGISTRATION PROCEDURE FOR ETACS-ECU.

Required Special Tools:

- MB991958: Scan Tool (M.U.T.-III Sub Assembly)
- MB991824: V.C.I.
- MB991827: M.U.T.-III USB Cable
- MB991910: M.U.T.-III Main Harness A





1.
CAUTION:
To prevent damage to scan tool MB991958, always turn the ignition switch to the "LOCK" (OFF) position before connecting or disconnecting scan tool MB991958.

Connect scan tool MB991958 to the data link connector.
2. Turn the ignition switch to the "ON" position.





3. Select "System select."





4. Choose "From 2006."





5. Enter the VIN code of the vehicle that is being registered. Then, press "OK" button.





6. Select "IMMOBILIZER."





7. Select "Coding."





8. Select "Chassis No/VIN Writing."





9. Enter the VIN code (all 17 characters) of the vehicle that is being registered. Then, press "OK" button.
10. When the execution confirmation menu of the VIN writing is displayed, press the OK button.





11. When the VIN writing completion menu is displayed, press the OK button.





12. The results of VIN writing are displayed.
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