The diagnostics by symptom only deals with cases without fault codes relating to the symptom
In the presence of the fault codes, initially use the method by fault code then the method by symptom
| symptoms | suspect areas |
|---|---|
| no communication with the active damper ECU | Battery |
| Fuse | |
| Relay | |
| connectors | |
| electrical harnesses | |
| active damper ECU | |
| Noises and vibrations | electrical harnesses |
| fixing nuts | |
| mounting bolt of the active damper | |
| dynamic loop between the actuator and the active damper sensor | |
| fixings of the pipes for taking the pressure of the particle emission filter | |
| fixings of the heat screens | |
| fixings of the gearbox control cable | |
| mass damper | |
| active damper ECU |