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There are three different air-bag ECU's in P38's. The picture you posted shows MPS Type-1.
Maybe your Hawkeye doesn't support it ?
Maybe your Hawkeye doesn't support it ?
P38 crash sensor question
- Thread starter magh
- Start date
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And by the way, do as Keith says, and delete you address from post-30 above. You can edit it because it was you that posted it. Otherwise the junk mailers will have a field day !!
Doolinjames
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Thanks
Doolinjames
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Tried to delete it just keeps coming back
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Click the edit link first. Then after removing, click the save button.
Doolinjames
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- denny
Done that twice
Doolinjames
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There are 3 wires on crash sensors plug
Doolinjames
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I think I have deleted my address?
Datatek
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Click edit delete the address then add a row of full stops, you cannot save an empty edit.
Datatek
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So, I braved the rain and tried to remove a sensor. No luck, they are held by star head bolts which are so rusty that they just rounded off. I will have to go out with a grinder when the rain stops which might not be until Wednesday.
Doolinjames
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Ok no problem thanks for letting me know
Datatek
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The rain finally stopped today so I had a go a removing a sensor. I managed to grind the head off one bolt then the small grinding wheel that goes in my giant Dremel type machine disintegrated, it was my last one so at that point I had to give up. What I did do was take some resistance readings. Standing in front of the car, the sensor on your right has 3 wires, the one nearest the engine is Red/Blue, middle wire Green/Blue the last one is Blue/Black
From R/B to GB = open circuit; from R/B to B/B = 0.7ohms from G/B to B/B open circuit. The colours are different on the other sensor but the readings are the same. I suspect that the centre wire is the one that is activated in a crash.
Hope that helps.
Doolinjames
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Thanks very much for your help
Doolinjames
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Hi. Done test on crash sensors red and blue to green and blue 10.01 same on other side 10.02 and same opposite continuity on centre pin with earth.there is a lot of rust on here as well cleaned them up
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Given that you replaced the SRS ECU, did you ever run diagnostics on it ? Might tell you if the crash sensors are good or bad ?
Doolinjames
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Yes only with my hawkie no joy might be able to get friend this Sunday with his nanacom
Datatek
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There is no reading to the centre pin on mine
Doolinjames
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I get continuity from middle pin with earth.i am getting the same readings from both sensors
Datatek
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That may indicate that they have been triggered.
Doolinjames
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I will c if I can get another 2 from somewhere there is numbers on the sides a long num have they got to be the same num
