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2001 S-Type 4.0 ECM Pinout?

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Old 04-01-2019, 11:44 AM
Preston Thayne's Avatar
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Default 2001 S-Type 4.0 ECM Pinout?

I am diagnosing a problem with my 2001 S-Type 4.0L. It won't run (starts, but really ragged and almost zero HP). I have two codes (P0340 and P0341) indicating that the bank 1 camshaft position sensor circuit has a problem. I have a service manual and have followed the prescribed steps to determine the cause of the codes, but have hit a wall.

I am now trying to test the wiring between the ECM and the camshaft position sensor. The manual indicates that I should verify that the resistance between the sensor's pin 1 and the ECM connector PI01 pin 94 is less than 5 ohms. My problem is that I have been unable to find a pinout/plug diagram anywhere, let alone a way to identify which plug is PI01.
I have pulled the fresh air intake and gained access to the plugs. I have removed one of the three plugs from the ECM, and I don't see any identifying marks that would indicate that it was PI01 or, if it were, which pin is 94 (I know, insane that there are that many pins in one plug).

Anyway, I would be extremely grateful if someone happened to have a diagram that called out how to determine which plug is which and which pin is which.

Kind regards,
Preston
 
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Old 04-01-2019, 11:59 AM
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Ok, this is insane. I have literally spent hours looking for this information, searching google and every forum I could find to no avail. Well, after posting my question to this forum, I figured I would continue the search while waiting for a response. Well, I guess I must have phrased my search parameter a little different because I found the document that I needed.

Here's the pinout in case anyone else runs into this issue.
 
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Don B (04-04-2019)
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Old 04-01-2019, 12:05 PM
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I guess I celebrated too soon. I see that there is no pin 95. I guess I will need to dig deeper and see if I can determine which pin would be considered pin 95 on a 60 pin connector. If anyone happens to know which of the 60 pins goes to the right bank camshaft position sensor, that would be helpful.

Thanks,
Preston
 
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Old 04-01-2019, 02:04 PM
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Welcome to the forum,
Looks like it should be pins 53 & 54, you can download the electrical guide here http://www.jagrepair.com/images/Auto...x2022001en.pdf
 

Last edited by Norri; 04-01-2019 at 02:11 PM.
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Old 04-01-2019, 03:46 PM
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Thanks Norri. That is exactly what I needed. I will test those when I get home from work this evening. Fingers crossed that I'm not buying a new ECM before this is all resolved.
 
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Old 04-03-2019, 07:47 AM
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Also, the workshop manual should have it too and is a free download.

The elec guide is free on this site as well.

Generally I think you were very unlucky to pick a search that didn't find multiple places to download from!
 
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