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Home >> Volkswagen >> 2001 >> EuroVan Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Engine Immobilizer System >> Self-Diagnostic System >> Pin Procedure - Replace/Adapt Engine Control Module (ECM) >> Data Exchange Via CAN Bus, ECM PIN Procedure
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Data Exchange Via CAN Bus, ECM PIN Procedure

  1. Connect VAS 5051. See Figure .
  2. Switch on ignition, select operating mode "Vehicle Self-Diagnosis". Select address word "25 - Immobilizer".
  3. Record 17-digit VIN and 14-digit Immobilizer ID number. Request 7-digit PIN from WIN system (must provide VIN and Immobilizer ID number).
  4. End output. See END OUTPUT (FUNCTION 06)  .
  5. Select "Vehicle Self-Diagnosis".
  6. Select "01 - Engine electronics". After the VIN is displayed, select proceed by selecting right arrow button.
    NOTE: For unlocking/Adapting a used ECM, see PIN PROCEDURE - UNLOCK/ADAPT A USED ENGINE CONTROL MODULE (ECM)  .
  7. Select "Adaptation channel 50 (PIN)".
  8. Confirm notes.
  9. Enter 7-digit PIN using display keypad. Select right arrow button to proceed.
  10. Confirm PIN. If PIN is correct, confirm by selecting "yes". If PIN is incorrect, select "no" and repeat PIN entry. If display "Function is unknown or cannot be carried out at the moment" appears, repeat entry procedure.
    NOTE: When entering a 7-digit PIN beginning with "0", the "0" may not show on the confirmation screen. Example: PIN "0123456" may appear as "123456" on the PIN input confirmation screen.
    NOTE: Three attempts at entering secret number correctly are possible immediately. The next 3 attempts are not permitted for at least 10 minutes. During this time, ignition must remain switched on. On Board Diagnostic (OBD) must be also exited using the "End Output" function 06. The wait period between each of the next 3 attempts doubles up to the maximum time of 255 minutes.
  11. If the PIN is not recognized or accepted after repeated attempts, review information regarding application of 7-digit PIN and prerequisites concerning correct Dealer/Importer number and date/time settings in VAS 5051. See 7-DIGIT PIN, GENERAL INFORMATION  .
  12. The VIN is transferred from immobilizer control module to the ECM. When procedure is complete, select "End". Switch off ignition. After 5 seconds, switch ignition back on.
    NOTE: Wait 2 minutes before starting engine.
  13. End output. See END OUTPUT (FUNCTION 06)  .
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