uitleg dashboard lampjes

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Bedankt voor het antwoord maar hoe wis ik dit?

o.a. De Bentley Service Manual beschrijft hoe je het error fault code memory kunt wissen:

• 1. With the diagnostic unit test lead in socket #2 and the ignition switched on,
  depress the diagnostic unit push button for at least five seconds,
  then release the button. After three seconds, the LED should come on.
  
  2. While the LED is on, again depress the push-button for at least five seconds.
  The LED should go out when the button is released.
  
  3. Depress the push-button for at least one second, but not more than three seconds,
  a code 1-1-1 indicates that the memory has been erased.
  
  4. Switch the ignition OFF, remove the test lead and install the cover on the diagnostic unit.
  

De code wordt weergegeven door een knipperende LED op de testunit...

De testunit:


De locatie van de testunit: