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Discussion Starter · #1 ·
Hi All,

Noob here. I've got a written off Mk2 Mondeo TD that I want the engine out of to put in my Mk4 Escort Van. I probably should've read up on it before buying the car as didn't realise about the ECU with internal PATs. Has anyone got any advice on how I wire this ECU into the MK4 or the pin out diagram for the ECU detailing the PATs? It's probably worth mentioning that I don't have a key for the car - I bought it as a seized car from the DVLA.

Any help would be appreciated
 

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Get a locksmith to create a new key and rip the entire ECU and immobiliser from the car and fit everything
into the van?
 

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Discussion Starter · #3 ·
TBH I was trying to do it on a budget hence not getting a locksmith out. I will probably end up going down that route anyway as the ECU needs to the key to function without the PIN out diagram. DOes anyone know if this would be the same with a Mk6 escort 1.8TD engine? Does it have the same ECU
 

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2017 Mondeo ST Line X hatchback 2.0 TDCi 180.
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yes mk6 Escort will have the same ECU but PATS was seperate on the mk1/2 (certainly on the mk1 as ours failed and needed a new PATS module). i also had an issue with the PATS on my 1997 R plate (mk6/7? depends how you count them) escort (and my 98 Transit now i think about it) and just bypassed the PATS system. Pats at this era would allow the engine to crank all week on a diesel. it just wouldnt open the fuel shut off solenoid. the first one i did was trial and error but ended up wiring pretty much straight to ignition switch position 2, through to the shut off solenoid directly removing the original wiring to the solenoid. it can be time consuming to get the security shields off (metal ones with a special bolt that the head shears off when tightened at the factory). i cant remember what size fuse i put in (if any, i cant remember exactly where i took the feed from, it may have been fused side of something non immobiliser related in the fuse box, its about 15 years since the last one i did) but basically thats all i did. not quite OEM standard wiring but it did the job!
 
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