Sensor of presence at a seat
04-23-2013, 01:32 PM
#1
Cruisin'
Thread Starter
Sensor of presence at a seat
Hello, 928fans!
I would like to restore airbag system on my S4 (1991), airbag lamp switch on all 6 years while I own car. I am going to make diagnostics but I noticed recently that the small seatbelt lamp doesn't light up when I or the passenger sat down in a seat. I checked the seatbelt lamp and it's Ok. I noticed several times that the lamp starts blinking if I move in the seat, so I think problem is in both seats with sensors of presence. I uninstalled passenger seat a few days ago but I don't understand as to check the sensor and where it's in the seat. When I clasped the belt lock earlier a lamp switch off so I am sure that the problem doesn't in the lock.
P.S. I'm sorry for my bad English))
I would like to restore airbag system on my S4 (1991), airbag lamp switch on all 6 years while I own car. I am going to make diagnostics but I noticed recently that the small seatbelt lamp doesn't light up when I or the passenger sat down in a seat. I checked the seatbelt lamp and it's Ok. I noticed several times that the lamp starts blinking if I move in the seat, so I think problem is in both seats with sensors of presence. I uninstalled passenger seat a few days ago but I don't understand as to check the sensor and where it's in the seat. When I clasped the belt lock earlier a lamp switch off so I am sure that the problem doesn't in the lock.
P.S. I'm sorry for my bad English))
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07-29-2013, 02:02 PM
#8
Cruisin'
Thread Starter
Thanks, friends, I was mistaken. The occupancy sensor isn't present and problem was with the sensor in the seat belt buckle. After clean it seatbelt lamp began to work correctly but airbag lamp still switch on. I went to my friends with PIWIS and diagnostics showed that airbag control unit FAULT and its replacement is necessary. My friend gave me the control unit from crash car, I connected it to all components and diagnostics showed left sensor fault, we cleaned it and now airbag lamp dies away after start)) But I wonder what happened with control unit Siemens? May be condensers failed for long time...
07-30-2013, 01:29 AM
#9
Hello, 928fans!
I would like to restore airbag system on my S4 (1991), airbag lamp switch on all 6 years while I own car. I am going to make diagnostics but I noticed recently that the small seatbelt lamp doesn't light up when I or the passenger sat down in a seat. I checked the seatbelt lamp and it's Ok. I noticed several times that the lamp starts blinking if I move in the seat, so I think problem is in both seats with sensors of presence. I uninstalled passenger seat a few days ago but I don't understand as to check the sensor and where it's in the seat. When I clasped the belt lock earlier a lamp switch off so I am sure that the problem doesn't in the lock.
P.S. I'm sorry for my bad English))
I would like to restore airbag system on my S4 (1991), airbag lamp switch on all 6 years while I own car. I am going to make diagnostics but I noticed recently that the small seatbelt lamp doesn't light up when I or the passenger sat down in a seat. I checked the seatbelt lamp and it's Ok. I noticed several times that the lamp starts blinking if I move in the seat, so I think problem is in both seats with sensors of presence. I uninstalled passenger seat a few days ago but I don't understand as to check the sensor and where it's in the seat. When I clasped the belt lock earlier a lamp switch off so I am sure that the problem doesn't in the lock.
P.S. I'm sorry for my bad English))
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