5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Ignition Coil Resistance

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Old Nov 4, 2014 | 03:42 PM
  #1  
Ben2003GLE's Avatar
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From: Milwaukee, WI
Ignition Coil Resistance

I've been searching but couldn't manage to find anything. My question is, how much resistance should a good ignition coil read on a 5.5 gen? Thanks
Old Nov 4, 2014 | 06:12 PM
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nestorlugo's Avatar
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Pin 2 and 3 should read anything other than 0 iirc.
Old Nov 4, 2014 | 06:37 PM
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https://maxima.org/forums/infiniti-i...ohm-meter.html
Old Nov 4, 2014 | 07:41 PM
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Ben2003GLE's Avatar
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Well here's my predicament... I bought a set of new aftermarket, not OEM coils. I tested each one, and they were all just about:
+1,-2= 1.10
-1,+2= 1.10
+1,-3= 3.30
-1,+3= I
+2,-3= 3.30
-2,+3= I


Then I tested my old OEM coils, and the result were different:
+1,-2= 1.35
-1,+2= 1.35
+1,-3= 8.30
-1,+3= I
+2,-3= 8.30
-2,+3= I


So, which resistance values are better? The OEM or aftermarket?
Old Nov 4, 2014 | 08:24 PM
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Oem they're higher
Old Nov 4, 2014 | 09:28 PM
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Originally Posted by Ben2003GLE
Then I tested my old OEM coils, and the result were different:
+1,-2= 1.35
-1,+2= 1.35
+1,-3= 8.30
-1,+3= I
+2,-3= 8.30
-2,+3= I
I don't know if this is an apples to apples comparison or not, but I got slightly different readings on my 2000 coils with approx 80K miles on them. I tested the 3 coils on the right bank, cyls 1, 3 and 5 and all had the same readings.

+1,-2= 1.53 K
-1,+2= 1.53 K
+1,-3= 7.8 meg
-1,+3= Infin
+2,-3= 1.53 K
-2,+3= 1.53 K

When I took these readings, there was nothing wrong with the car. I just did it to have the info.
Old Nov 5, 2014 | 01:40 AM
  #7  
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I have seen the same. I measured some aftermarket coils I have and their values are always lower compared to my OEM coils. Just stick with OEM.
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