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fletty
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Join Date: Dec 2012
Posts: 7

ZD30 Injector Pump

12/24/2012 1:07 AM

hi does anyone have a schematic for ta 2003 nissan navara ZD30 injector pump, i think my fuel solenoid isn't opening and have no fuel flow
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PWSlack
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#1

Re: ZD30 injector pump

12/24/2012 4:18 AM

How about the Haynes manual?

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fletty
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Join Date: Dec 2012
Posts: 7
#2
In reply to #1

Re: ZD30 injector pump

12/24/2012 4:49 AM

not sure dont have one but i have bought a couple of different manuals on cd and cant find anything on the pump itself
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Doorman
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#3

Re: ZD30 Injector Pump

12/24/2012 12:03 PM

This sounds like a pump/ECU failure. Is the battery in good shape?

Check to be certain voltage isn't dropping too low on startup, ECU turns the injector pump off when voltage drops.

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fletty
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Join Date: Dec 2012
Posts: 7
#9
In reply to #3

Re: ZD30 Injector Pump

12/26/2012 4:37 AM

the battery is in good shape and also have connected another battery for good measure but no change we have checked that we are getting a feed on the solenoid on the pump but are only guessing which terminals are for the solenoid. do you have any more information on the pump and its wiring.

thanks

fletty
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Joshi
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Join Date: Oct 2007
Location: India
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#4

Re: ZD30 Injector Pump

12/25/2012 4:31 AM

Measure power to solenoid, if power is available, then check continuity of solenoid coil.
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fletty
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Posts: 7
#5
In reply to #4

Re: ZD30 Injector Pump

12/25/2012 11:04 PM

hi i have measured continuity of the solenoid but am unsure of what it should read or if infact if i am measuring the right pin for the solinoid. i have measured the centre pin which is the main red cable going to the pump and am getting 4.9K which seems to high for me, i would think it should be quite low, do you have any information on pin configuration and what the readings should be.

any help will be appreciated

thanks

fletty
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Joshi
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#6
In reply to #5

Re: ZD30 Injector Pump

12/25/2012 11:18 PM

For 12 V supply, the solenoid resistance of 4.9 K is very high. I have no clue to its pin connection. Normally there should be 2 pins for the supply with two wires, one going to body/earth & the other switched supply source. May be you can test the solenoid with 12 V & observe if it operates. Please be very careful, the battery has lots of power storage. If you have type no. of the solenoid, you may Google additional info. Are you getting supply at the solenoid?
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fletty
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Join Date: Dec 2012
Posts: 7
#7
In reply to #6

Re: ZD30 Injector Pump

12/26/2012 1:29 AM

not sure if i am getting power to the solinoid, i am only guessing which wire is for the solinoid as it is internal and without a physical schematic i have no idea of which wire is going where or what pins should have power , but your help is appreciated and anymore information will be more than helpful.

thanks

fletty
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Joshi
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#8
In reply to #7

Re: ZD30 Injector Pump

12/26/2012 1:42 AM

Try the forum for guidance:
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fletty
Member

Join Date: Dec 2012
Posts: 7
#10

Re: ZD30 Injector Pump

01/15/2013 6:10 AM

thanks everyone for your help, i have changed my injector pump and am back up and running, once again your help is appreciated and i thank you all

kind regards

fletty
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Doorman (1); fletty (5); Joshi (3); PWSlack (1)

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