Model year: from 2007 to 2014
If this problem is detected in the above-mentioned vehicle, a possible cause may be damage to the wiring harness of the ambient light/rain sensor.
In addition, sporadic failures could occur in the exterior lighting function and in the wiper control caused by the rain sensor.
In the driver information system, the following message appears -- Automatic headlight failure.
- Error code B22E34A could be stored.
- Check the wiring harness of the ambient light/rain sensor.
- Damage can occur here in the area of the fuse box as a result of sub-standard cable routing.
Check the wiring harness for damage, repair if necessary and ensure that the wiring harness is laid correctly to prevent further damage.
Important safety notice
The following technical information and tips for practical use have been set up by HELLA in order to offer professional support to automotive workshops in their daily work. The information available here on this website is only to be used by appropriately trained specialist staff.
The reprinting, distribution, reproduction, exploitation in any form and disclosure of the contents of this document, even in part, is prohibited without our express written approval and indication of the source. The schematic illustrations, figures and descriptions are for explanation and presentation of the document text and cannot be used as a basis for installation or design. All rights reserved.
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