Nissan Terrano Diesel, P1240, P1242,needle Lift Sen.

swing

Hi all,
I got these codes, any idea what to check?

janh · Posted: Wed Jun 13, 2007 9:30 pm Post subject:

that is an injector with a build-in sensor which registrates start of injection. you can recognize him by the two wires attached to it.
J.E

swing · Posted: Thu Jun 14, 2007 1:55 pm Post subject:

Thanks,
I got the wires but do you have any idea of the measurement system requirements? I couldn?t get a continuity on the two injectors .what possibility does it have? Changing or adjusting the injectors?

Thanks again

janh · Posted: Fri Jun 15, 2007 9:59 am Post subject:

the resistance between the two wires is +/- 100 ohm. the signal can only be measured with a scope.
J.E

swing · Posted: Fri Jun 15, 2007 11:59 am Post subject:

Hi janh
I?m so surprised on the car. I?m not good on diesel Engines and I couldn?t get the system, it hasn?t got a diesel injection pump, amazing technology!
The resistance of the two injectors is not as you specified, its 900 KHz. is there a method of adjusting it? Or shall I go for the new?

Thanks

janh · Posted: Sun Jun 17, 2007 7:31 pm Post subject:

i"m afraid we are not talking about the same car.need more info about year and engine.
J.E

swing · Posted: Mon Jun 25, 2007 12:53 pm Post subject:

Thanks,
I changed the injector and the DTC has gone.

Incase it helps,
The company told me it?s called a common rail principle and explained, in order to optimize injector configuration for the respective engine model it is necessary to know the exact timing / displacement behavior of the needle valve, this information is delivered by an eddy current sensor built in to the injector.
Because of the physical limitation (i.e. practically no installation space), a sensor with very small dimensions is required. The solution here is the miniature version of the U05 eddy current sensor for commercial vehicle injector and S05 sensor for passenger car injector.

Measurement system requirement: 500?m
Resolution: 1?m
Bandwidth: 100KHZ
Interface field : electromagnetic field

swing · Posted: Mon Jun 25, 2007 12:54 pm Post subject:

Thanks janh,
I changed the injector and the DTC has gone.

Incase it helps,
The company told me it?s called a common rail principle and explained, in order to optimize injector configuration for the respective engine model it is necessary to know the exact timing / displacement behavior of the needle valve, this information is delivered by an eddy current sensor built in to the injector.
Because of the physical limitation (i.e. practically no installation space), a sensor with very small dimensions is required. The solution here is the miniature version of the U05 eddy current sensor for commercial vehicle injector and S05 sensor for passenger car injector.

Measurement system requirement: 500?m
Resolution: 1?m
Bandwidth: 100KHZ
Interface field : electromagnetic field

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