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  #1  
Old 06-13-2008, 07:34 AM
sps1177
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Default 99 Maxima 1320 code problem

Chk. Engine light came on and code 1320 found. Replaced plugs and ALL
ignition coils. Erased code. Light back on with same 1320 code. I chk. wiring and all seem in order, but code persist. Any suggestions? Thanks.
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  #2  
Old 06-13-2008, 08:17 AM
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sergey85 sergey85 is offline
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p1320 an ingnition signal
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  #3  
Old 06-13-2008, 08:20 AM
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sergey85 sergey85 is offline
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what kind of plugs did u use, im also thinking it might be a problem with the coils as well wait till a specialist replies. does it sputter or drive differently?

Last edited by sergey85; 06-13-2008 at 08:40 AM.
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  #4  
Old 06-13-2008, 08:51 AM
sps1177
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Used NGK plugs with OEM coils. Eng. has slight miss on occassion, and SES light comes back on. Connections seem to be tight. I can erase the 1320 code, but it returns within the day. Thanks.
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  #5  
Old 06-13-2008, 09:06 AM
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NissanTech NissanTech is offline
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Did you use NEW factory coils? The code and symptom points to a bad ignition coil.
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  #6  
Old 06-13-2008, 09:14 AM
sps1177
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Yes. New coils. Can the coils be tested easily?
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  #7  
Old 06-13-2008, 09:30 AM
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Quote:
Originally Posted by sps1177 View Post
Yes. New coils. Can the coils be tested easily?
Not really since the problem is intermittent. The service manual shows you how to measure the coils, but usually all coils are with specs
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  #8  
Old 06-13-2008, 10:16 AM
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sergey85 sergey85 is offline
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make sure that the coils are secured right and the screwes are not damaged. yeh its gonna be hard pin pointing the exact coil expesially if it comes and goes.
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  #9  
Old 06-13-2008, 10:18 AM
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sergey85 sergey85 is offline
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got this off of the org site to test your coils
How to verify if your coil packs work!
Engine worked with: 1996 maxima
Requires: An ohmmeter (cheap purchase at radio shack....)
Conditions: Make sure your engine is cold, or it'll be hot on your hands
you have 6 Ignition coil packs. 3 up front and 3 near your firewall. (when asking for new ones, they are referred to as L and R)

3 are hidden behind the plastic piece on your engine that says NISSAN... simply remove the bolts and remove the plastic piece.

once removed, you should see 3 coil packs. un plug and test them one at a time.

I won't go into how to remove them since it should be fairly obvious Simply remove both bolts (do one coil pack at a time...) and pull the coil pack out. i had one where it was very hard to get out... so you may have to pull hard...

Once out, look at the area where you removed the electrical plug. You should see a "+" on the back end of the electrical plug. There should also be the letter "B"....
the spot where you see the positive symbol, means that's prong number one on the electrical connector.

To test:

Turn on your ohmmeter and place the positive wire on the 1st prong in the electrical plug of the coil pack. The negative wire should be touching the middle prong. Verification of the ohmmeter at this time should say "0" aka infinite... if it's anything else, the pack should be changed. Next test: reverse the wires... positive on the middle prong and negative on the 1st prong.... on a new coil pack, it should give a value of approximately 1.3-1.7 mega ohms. If any of the readings are off, replace the coil pack.

Note: Firewall coil packs are extremely easy to find, simply look in the cracks of the intake header. you'll see 3 similar looking coil packs to the front ones. The exception with these is that they are longer and look a slight bit different. removal is the same process as the front coil packs. Simply pay special attention to not dropping the screws in the intake area... it'll be hard to get out

to test: follow the front coil pack testing method. Look for the Positive symbol, this is your first prong... and go from there
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  #10  
Old 06-15-2008, 10:27 AM
sps1177
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Thanks for the through detai,ls concerning testing the coils. I will test after I acquire an ohm meter. Thanks again. I appreciate your effort.
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  #11  
Old 06-15-2008, 12:10 PM
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sergey85 sergey85 is offline
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yeh no problem post with your results good luck
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  #12  
Old 06-26-2008, 08:10 AM
sps1177
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Tested coils per your post and found #5 defective, replaced, and erased 1320 code. Driving for past 2 wks. and no problem, or light. Note: careful when purchasing coil. Take coil to store and compare the connection depth. Some non-oem coils connection lip is 1/4" deeper than original. It will connect, but not snap into place. This may cause connection to loosen.
Thanks again for your expert advise. It saved me a bundle!
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  #13  
Old 06-26-2008, 12:08 PM
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sergey85 sergey85 is offline
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awsome bro
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  #14  
Old 09-19-2009, 12:09 PM
seanmc
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Default disconnecting the coil pack

How do you disconnect the electrical connection to the coil pack. Is there a latch to it or does it simply pull off?
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  #15  
Old 09-20-2009, 04:40 AM
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You stick the pointed edge of a screwdriver on the lever part and push push push until it pops off.
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