Digital data bus (D2B) diagnosis, fault memory - AD82.00-P-4000A

MODEL 129 as of 1.6.98, 168 as of 1.9.98, 170, 202, 208, 210 as of 1.6.98, 215, 220

	Digital data bus (D2B), diagnosis, previous knowledge		AD82.00-P-2000A
	Interrogate the actual configuration of control modules in the vehicle using Hand-Held Tester (HHT)
	Connect Hand-Held Tester (HHT), read out fault memory	Except model 215, 220	AD00.00-P-2000-03A
	Fault memory
Fault code	Possible cause	Notes	Remedy
No fault code	No fault code recognized	However, if there is a complaint: ↓ Digital data bus, diagnosis, troubleshooting	AD82.00-P-5000A
N1111	Optical fiber defective	No data can be transferred between radio or COMAND and control module to position X	AD82.00-P-2000-01A
	Control module transmitter unit defective Control module receiver unit defective		AD82.00-P-2000-02A
N1112	Optical fiber defective	No data transfer between radio and D2B predecessor	AD82.00-P-2000-01A
	Control module transmitter unit defective Control module receiver unit defective		AD82.00-P-2000-02A
N1113	Optical fiber defective	D2B data transfer faulty	AD82.00-P-2000-01A
	Control module transmitter unit defective Control module receiver unit defective		AD82.00-P-2000-02A
N1114	Head unit cannot be incorporated in the D2B ring	D2B initialization faulty. Erase fault memory, switch system on again and read out fault memory	If fault persists, replace control module
N1115	A control module at position X cannot be incorporated in the D2B ring due to faulty initialization	D2B initialization of control module faulty.	AD82.00-P-2000-01A
		Erase fault memory, switch system on again and read out fault memory	If fault persists, replace control module
N1116	D2B component at position X failed (bypass mode)	Internal fault in control module at position X.	AD82.00-P-2000-01A
		Erase fault memory, switch system on again and read out fault memory.	If fault persists, replace control module
N1117	D2B initialization of a D2B component faulty.	Erase fault memory, switch system on again and read out fault memory	Fault also exists in other control modules of the D2B ring:↓ Replace head unit No fault in other control modules of the D2B ring:↓ Replace control module
N1118	D2B initialization of a D2B component faulty.	Erase fault memory, switch system on again and read out fault memory	Fault also exists in other control modules of the D2B ring:↓ Replace head unit No fault in other control modules of the D2B ring:↓ Replace control module
N1141	Radio: Specified/actual configuration of the D2B ring differ		Re-configure system