12/4/2023 0 Comments Ford master key program pats![]() Insert red master key into ignition and turn to position II. Obtain new key from main dealer ordered using the vehicle key number.Ģ. The following sequence is noted in the vehicle handbook.1. If a key is lost, the red master key can be used to program a new key. The red master key should be locked away in a safe place and only the black keys should be in daily use. One is a red key, the master, and two slave keys, which are black and will have a red dot. The system itself assumes that there are three keys programmed into PATS. PATS has not given the ok and the EECV management system remains completely inert. What, cries another clever dick, if I remove the PATS fuse? Same thing, dummy. On later variants, the PATS is built into the EECV so that has to be changed – and yes, you need WDS to reprogram it. The ignition switch itself will turn, but the engine management system has not received the OK from PATS and the engine remains stubbornly silent.ĪHA, I hear you cry, what if I replace the PATS module? Well, apart from the expense, you will need the WDS 2000 diagnostic system and expert time in order to program PATS to the new system, and no main dealer is going to do that without checking the validity of the request, end of story. So the spotty dork who breaks in to steal the car smashes the steering shroud and rips away the electrical connection at the back of the barrel is wasting his time. This is the clever part: even if a key is an exact physical match with the ignition lock and the key is turned, PATS checks the transponder code and if it is not recognised the engine is dead. The PATS receiver awaits an ignition key with a transponder (the little red tag mounted in the key) which matches the code that PATS recognises. When the ignition key is not present, PATS disables all of the EEC V engine management, and on some models the starter as well. The PATS system was first a separate module mounted beneath the dashboard, and later became part of the engine management system, and is connected to a transceiver mounted around the ignition barrel. It is designed to be completely transparent so that it requires no action at all on the part of a driver, and always remains active, even if the doors are left unlocked and the alarm is off. It is not part of the central locking or the alarm system, although it does share the red LED on the top of the dashboard. There is some confusion about what PATS is, and what it does. This contains the code for the Pats module. ![]() On the side of this there will be a removable tab. If your car does have PATS then the module is located on the left hand side of the dashboard in a metal casing, all the wires going to it are brown. To check that your fiesta has PATS fitted take a look at the key and see if it has a little red tab on the side of it. ![]() PATS stands for Passive Anti Theft System. No nothing to do with a certain East Enders character but the acronym used by Ford for their internal anti-theft system. This is done buy cycling the 2 programmed keys in your ignition in turn, thus putting your car into programming mode, then you can cycle a new key in the ignition and it will be programmed to your car. Once you have both keys programmed you can then add further keys without the need for professional equipment. You must have at least 2 keys programmed for the vehicle. The transponders in the keys have varied over the years with this system. If you have lost your Master red key then the only way to program further keys is using professional key programming equipment to program a new master key, only then may further keys be added. Then a further 2 keys cut for your vehicle must then be cycled in the ignition, each one being programmed in turn. Once you insert the Ford red master key, your car will enter programming mode. The purpose of the red key is to put the car into programming mode to allow further keys to be programmed to your vehicle. This system involves a red master key and 2 other user keys. This system is simply a key cut for your vehicle no programming required.įord Red Key System 1994 to 1998 this is what we have on Mk3 Fiestas Before we begin on PATS a little bit of info on keys, colours and security.
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