Bosch Knock sensor wiring

Discussion and Support for MoTeC's M1 series ECUs

Re: Bosch Knock sensor wiring

Postby jallenmd on Thu Feb 13, 2020 1:54 am

Thanks! I deduced that the four knock inputs would be used for differential knock wiring! Appreciate your response!
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Re: Bosch Knock sensor wiring

Postby ajwithers on Sun May 31, 2020 4:01 am

SDean wrote:Hi Andy,

In my experience, there is not a difference as to the way that the pins are wired for the two pin sensors, the three pin sensors have a shield pin as well, that needs to be connected to a 0V pin on the ECU.

The shielded cable has two as a minimum wires twisted together in a common sheath, and the shield is connected to a 0V pin on the ECU end only.



Sorry for being slow... but would like to clarify that when you say 0V you mean ECU ground / battery ground, or do you mean one of the Sensor 0v Grounds?

Thanks in advance,
Aaron
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Re: Bosch Knock sensor wiring

Postby chuckk on Mon Jun 01, 2020 1:19 am

ECU 0V means one of your sensor ground pins.
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