Operation CHARM: Car repair manuals for everyone.

Components




Components of the System:







In the E38, The solar sensor is integrated in the housing of the anti-theft warning system LED. The warning indicator LED is installed on the outlet grille in the top center of the instrument panel where solar radiation can directly reach the solar sensor.

The DWA LED with solar sensor is an additional wiring harness with a 4-pin plug connector.







The solar sensor consists of two photoresistors, which are integrated on the left and right sides of the DWA housing next to the DWA LED. The photoresistors sense the different intensity levels of the solar radiation.

DWA LED dismantled; housing and pc-board with LED and solar sensor housing







1 The photoresistor on the right is fitted under the plastic cover
2 The photoresistor on the left is fitted under the plastic cover
3 PC-board, DWA LED and solar sensor
4 DWA LED housing

The E46 solar sensor is located in the right defroster outlet at the base of the windshield. The E46 sensor contains one photoresistor for sensing solar radiation.