How To Test RPM & TDC Sensors in 944 and 911 3.2 Carrera Porsches

How To Test RPM & TDC Sensors in 944 and 911 3.2 Carrera Porsches

For all Porsche 944 and 911 3.2 Carrera… RESISTANCE RPM Sensor, Pins 8 & 27, should read between 600 – 1600 Ohms. TDC Sensor, Pins 25 & 26, should read be…

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SpecializedECURepair says:

The ECU that fits in a 1984 944 Porsche is not the same as the ECU that
fits in a 1984 911 Porsche. 1984 944 ECU Bosch Part number is 0 261 200 015
1984 911 ECU Bosch Part number is 0 261 200 050 Call if you have any other
questions 800-328-1425

Hiamil Rivera says:

Hi…the Porsche 1984 944 ECU fit in a Porsche 1984 911 Carrera?

SpecializedECURepair says:

Yes Marcel, this test is 100% compatible with your Porsche 924S.

Marcel Hartstein says:

Great Video! Are your test also compatible with a 1987 924S ECU is under
driver side dash. Thanks,

enrique garcia says:

my volt meter didnt read anything, so my sensors are bad?

Patrick Ferris says:

Great Post, thanks for sharing your knowledge with us. 1985 Porsche 911

SpecializedECURepair says:

Hi Enrique, if you followed the instructions in the video correctly, and
you saw a constant “0.00” on your Volt-Meter, then yes, your sensors are
bad, and they need to be replaced. Call us if you want to get into other
details about your car: 1-800-328-1425 George

twistedwired says:

Thanks for this clear instructional. Is there different steps for a 944S,
or S2?

SpecializedECURepair says:

Porsche 944S and Porsche 944S2 only have 1 sensor that checks both RPM and
TDC. With your multimeter, check Pins 47 & 48 on the DME harness. If you
get 600-700 Ohms your sensor is good.

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