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Old 10-09-18, 10:39 PM   #1
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Default 207 airbag issues

My wifes 207 has the airbag or pre-tensioner warning on the display and airbag light on. I have tried a 1.8 Ohm resistor across each of the connections under both the drivers and passengers seats.

What I need to know is whether the fault latches on and needs to have the fault cleared after I have fixed the fault or whether it will clear once fixed. I'm sure last time a friend checked it with his reader it said drivers side but no luck fixing it.

The second thing I'd love to know is where the airbag module is located so I can try and rule out a cabling issue.
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Old 10-09-18, 10:46 PM   #2
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Airbag faults will normally clear when fault is corrected EXCEPT if the ECU module has been triggered.
Check that all plugs under the seats are making good connection, these are a weak point.
ECU is under the centre console.
If you scan the system with PP2000, it will normally be able to point you to the exact fault.
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Old 10-09-18, 11:29 PM   #3
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Thanks for the reply. I have checked all of the connections under the seats and they seem fine, thats why I am looking to check them up to the ecu. When you say the centre console, are you on about in between the seats or more towards the dash?
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Old 11-09-18, 12:35 AM   #4
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between the seats.
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Old 18-09-18, 07:18 PM   #5
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Does anyone know the resistance of the pre-tensioners? I have tried replacing the airbags with resistors with no luck so was wondering if the pre-tensioners are 3.3 Ohm also. Even tried another airbag control module with no luck.

Also is anyone around Telford with Peugeot Planet? I have tried the chap listed on the map but no answer. Would be nice to know which of the bags it's saying is faulty.
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Old 18-09-18, 07:23 PM   #6
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Default Wiring

Additionally, would anyone have the airbag wiring diagrams to hand?
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Old 18-09-18, 07:31 PM   #7
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DO NOT try using a meter to check resistance on airbag or pretensioner some lower speck meters can trigger airbag or tensioner (most also have a shorting bar in the socket to short the pins together to prevent static triggering the unit which also results in a 0 ohm reading.

I think they are around 3.3 Ohms but not 100% as on some models the circuit is linked into side and curtain airbags so you get different resistances between spec.

One i fixed for someone had a drivers side airbag/tensioner fault logged and the fault was in the curtain airbag squib
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