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Error check with the sound generator

You need a multimeter for verification. Then proceed as follows:

  1. Set the multimeter to "continuity test"
  2. Hold one probe tip to one of the marked pins on the connector and hold the other probe tip to the outer case of the sound generator.
  3. Repeat this measurement procedure for the other pin on the connector as well.
    » A ground short circuit and thus a defect of the sound generator is present, as long as a corresponding continuity signal sounds / appears on the multimeter.
  4. Now check the cables leading to the sound generator:
    » Remove the 8 pin connector from the controller.
  5. Hold one of the two probes to pin 8 and the other to a ground point on the vehicle.
  6. Repeat this measurement also on pin 7 and, if a second sound generator is installed, also on pin 5 and pin 6.
    » A ground short circuit and thus a defect in the cables leading to the sound generator is present, provided that a corresponding throughput signal sounds / appears on the multimeter.
Fehlerüberprüfung Soundgenerator

In addition, the passage of the two lines to the loudspeaker must be checked as follows:

  1. To do this, measure from pin 8 (8-pin connector control unit) to pin 1 (2-pin connector sound generator).
  2. Then measure from pin 7 (8-pin connector control unit) to pin 2 (2-pin plug sound generator).
  3. If a second sound generator is installed, measure from pin 5 (8-pin connector control unit) to pin 2 (2-pin connector sound generator) and from pin 6 (8-pin connector control unit) to pin 1 (2-pin connector sound generator).

All measurements must have a continuity signal – if this is not the case, the corresponding line is damaged and needs to be checked.

Fehlerüberprüfung Soundgenerator
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