Signal systems fanfare horns diagnosis troubleshooting - AD54.35-P-5000B

MODEL 208 as of 1.8.99, 210 as of 1.7.99

	Signal devices fanfare horns diagnosis, previous knowledge		AD54.35-P-2000A
	Connect Hand-Held Tester (HHT), read out fault memory		AD00.00-P-2003A
Troubleshooting
Complaint	Possible cause	Note	Remedy/Test step
Fanfare horns function disrupted, but other functions of multifunction steering wheel (e.g. system select/voice control pushbutton S110s3) are in order.	Cables		AD54.35-P-6000-01A
	Fanfare horns (H2) or FAN relay (K40/2k6)		AD54.35-P-6000-02A
	Driver-side fuse and relay module (K40/2)		AD54.35-P-6000-08A AD54.35-P-6000-03B
	The following causes are only probable if the functions of the combination switch (e.g. indicators, wipers) are also disrupted:
	CAN data cables between driver-side signal-acquisition and actuation module (SAM) N10/1) and electronic ignition key control module (N73)		AD54.35-P-6000-05A
	N10/1 N73
Fanfare horns function disrupted and other functions of multifunction steering wheel (e.g. system select/voice control pushbutton (S110s3) also defective.	Cables between multifunction steering a wheel and instrument cluster (A1), multifunction steering wheel horn/airbag block spring contact (A45) instrument cluster (A1)	All fault sources possible here are tested with the Star diagnosis tool via instrument cluster (A1).
No HHT communication possible with electronic ignition key (N73) and SAM (N10/1)	Cable		AD54.35-P-6000-03B
	Electronic ignition key control module (N73)		AD54.35-P-6000-05A
No HHT communication possible with SAM (N10/1)	The following causes are only probable if other functions of the combination switch (e.g. indicators, wipers) are also disrupted:		AD54.35-P-6000-08A
	CAN data cables between N73 and N10/1		AD54.35-P-6000-05A
	Electronic ignition key control module (N73) Driver-side signal-acquisition and actuation module (SAM) (N10/1)		AD54.35-P-6000-03B
Fanfare horn sounds also without actuation of impact absorber.	Cables		AD54.35-P-6000-06B
	FAN relay (K40/2k6)	Fanfare horns pushbuttons (S110s5, S111s5) tested with the Star diagnosis tool via instrument cluster (A1).	AD54.35-P-6000-08A
	Fanfare horns pushbuttons are (S110s5, S111s5)		AD54.35-P-6000-05A
	The following causes are only probable if other functions of the combination switch (e.g. indicators, wipers) are also disrupted:		AD54.35-P-6000-03B
	CAN data cables between N73 and N10/1 Electronic ignition key control module (N73) Driver-side signal-acquisition and actuation module (SAM) (N10/1)