Just had a quick look at my ALSZ file via NCSexpert, you need to alter the following to suit your requirement, but try flashing high beam with key off to activate home lights.
Home lights 1 ALSZ HEIMLEUCHTEN home lights activated by flashing high beam with key off
Home lights 2 ALSZ HEIMLEUCHTEN_ABBRUCH home light stop
Home lights 3 ALSZ HEIMLEUCHTEN_AL home lights are low beam
Home lights 4 ALSZ HEIMLEUCHTEN_BL Home lights are turn signals
Home lights 5 ALSZ HEIMLEUCHTEN_FL Home lights are high beams
Home lights 6 ALSZ HEIMLEUCHTEN_KL58G home lights are interior backlighting, cluster, ashtray etc
Home lights 7 ALSZ HEIMLEUCHTEN_KZL Home light is license place
Home lights 8 ALSZ HEIMLEUCHTEN_NSL Home light rear fogs
Home lights 9 ALSZ HEIMLEUCHTEN_NSW home lights are front fogs
Home lights 10 ALSZ HEIMLEUCHTEN_RFS Home lights are reverse lights
Home lights 11 ALSZ HEIMLEUCHTEN_SL_H home lights are rear parking lights
Home lights 12 ALSZ HEIMLEUCHTEN_SL_V home lights are front parking lights
MY ALSZ file shows:
HEIMLEUCHTEN - WERT_02 home lights activated by flashing high beam with key off
HEIMLEUCHTEN_AL - AKTIV home lights are low beam
HEIMLEUCHTEN_BL - NICHT_AKTIV Home lights are turn signals
HEIMLEUCHTEN_FL - NICHT_AKTIV Home lights are high beams
HEIMLEUCHTEN_KL58G - NICHT_AKTIV home lights are interior backlighting, cluster, ashtray etc
HEIMLEUCHTEN_KZL - AKTIV Home light is license place
HEIMLEUCHTEN_NSW - NICHT_AKTIV home lights are front fogs