TwinTurbo.NET: Nissan 300ZX forum - Re: Resistance Check..
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Subject Re: Resistance Check..
     
Posted by -Grimm- on June 24, 2014 at 12:48 AM
  This message has been viewed 328 times.
     
In Reply To Resistance Check.. posted by Cjw3 on June 23, 2014 at 10:31 PM
     
Message What I did was:

Ground pin 60 through pin 16 to activate the ECCS relay
The ECCS relay is the +12V I supplied to the injectors (per the 'Injector Switched Voltage Mod in 1, 2, 3' write up awhile back.)

I then tested resistance from pin 109 to each injector. (109 to 101, 109 to 103, 109 to 105, 109 to 110, 109 to 112, 109 to 114). Each measured 27 ohms.

Ill repeat that part and measure across two injectors as you mention to see if I get what I expect (54 ohms). As well as compression test results.

I also measured resistance through the ignition coils from the ECU harness through ground, all measured 1.98k Ohms except cylinder 4 was 1.90k Ohms. Remember these are Audi coils with onboard (individual) transistors. Although I do not know the stock resistance for PTU feeds. Would be worth looking into the possibility of an increased load.

I will try that out, as there may be some tension in the wires with the plenum on. Ill include that tomorrow.

Thanks

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1992 300ZX NA 5 Sp (Dead)
1990 300ZX NA Auto 2+2 (Dead)
1990 300ZX TT 5 Sp (Building)
2004 G35 Sport 6MT (DD)

     
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