[s-cars] Should I see error codes 2111 and 2112 when engine isn't running

Konstantine Bogach kbogach at comcast.net
Fri Dec 11 12:32:20 PST 2009


So, there is no way to find out if the sensor is bad when a car does not start?  By the way,  Ohms are per spec (~950 Ohm).  Anyone tried to hook up an oscilloscope for testing the signal?

Thank you.
Konstantine

"...It catches for half of a second and dies.  Codes are 2111
(RPM sensor) and 2112 (TDC position sensor"

I think this is typical as I replaced a perfectly good sensor and got the
same false diagnostic again.
	
	2112 - False diagnosis of TDC sensor if crank not rotating.
	
	2111 - False diagnosis of RPM sensor if turning erratically, typical
when the engine catches and dies.

Keep looking.

David G."



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