knock sensor [Archive] - BerlinaSportivo

arjunior45

15-04-09, 11:13

I think the oem sensor in our cars as well the Intrgrales , Thema, Dedra and Ford Siera Cosworth, is the Marelli 'SEN 14B' {581800050000}.

Does anyone have the specifications {tech data} of this one? Voltage output at 12Khz-16Khz is what mostly concerns me.

Nick

kepsus

20-04-09, 22:03

I am almost (99,999) sure that it is a bosch sensor, (is on both mine)
data sheet here http://www.datasheetarchive.com/pdf-datasheets/Datasheets-20/DSA-392831.pdf

But i am unsure how many volt, it use, could be nice to know, because i am building a Omex ECU on my car, and they are only one wire to the knock sensor..

arjunior45

22-04-09, 10:48

I am almost (99,999) sure that it is a bosch sensor, (is on both mine)
data sheet here http://www.datasheetarchive.com/pdf-datasheets/Datasheets-20/DSA-392831.pdf

But i am unsure how many volt, it use, could be nice to know, because i am building a Omex ECU on my car, and they are only one wire to the knock sensor..

No, on my car it's the Magneti-Marelli 'SEN 14B' {I found my notes about it} and at least on one of the other Q4s in this forum.

From this Bosch data sheet I can not understand the output voltage. In the 'table' {pg 2} indicates 'mV/g' vs Khz, and this 'g' is the gravity acceleration. ???

Anyone else with more infos?

Nick

Juan AR155Q4

22-04-09, 13:05

All Q4s came with marelli, the one that Nick says.

Yes Nick, g is gravity acceleration, and here its used as unit for acceleration (instead of m/s2). Its used the same as MATCH (for sound speed).

kepsus

22-04-09, 18:24

Sure but maybe just my *IQ :-D , i still really dont get how much voltage it needs

Tomasson

19-04-12, 16:49

Hi guys.

got problem with my knock sensor. In my car is SEN 14B (2 pin connector) and its dead. Guy sold me new knock sensor but it is Bosch 0 261 231 095 (3 pin connector). I noticed its diferent one later in garage (my fault). But on internet i found it is used in lancias and coupes 2.0 16VT engines. Any idea if i can use it with modified connection? Or if i can get somewhere new one SEN 14B? I was looking through out whole net and found nothing.

Big thanks