| Trailer detector control unit -J345- |
| The trailer detector control unit -J345- detects a power consumption of at least 5 W → Remark when „towing a trailer“ and passes this information to various control units via the CAN data bus. |
| The trailer detector control unit -J345- receives information (regulation of lights) from the onboard supply control unit -J519- and the convenience system central control unit -J393- via the CAN data bus. |
| 1)
| The turn signal system or the side lights must be switched on to detect the „trailer“. |
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