FoCOM service guide - PATS Anti-theft system (PATS)FoCOM service is PRELIMINARY WORKING DRAFT for SECONS Ltd. internal use and FoCOM users.Table of ContentsPATS Introduction.2Bosch PSG TDDi - Fuel Injection pump.2Lucas EPIC TDDi - Fuel Injection pump.2LED indicator of PATS status.2Information about PATS state.3PATS unlocking.3Clearing keys procedure.5New key programming procedure.5“Pairing” PATS Control Units.6Common PATS fault codes.7Problems not related to PATS.8PATS system types.8Type of transceivers (active antennas).8For users familiar with Ford IDS diagnostics we have included screenshots of Ford IDS forcomparison.1/8

FoCOM service guide - PATS IntroductionPATS functions are available in diagnostic session for PCM and IPC ECUs in programming/codingmenu.Bosch PSG TDDi - Fuel Injection pumpBosch PSG / FIP (Fuel Injection Pump) require to be paired with PCM in order to work. New BoschPSG systems are adapted automatically, however used fuel pumps require to run adaptationprocedure. This coding is described in a separate document related to Bosch PSG diagnosis.Lucas EPIC TDDi - Fuel Injection pumpLucas EPIC turbo-diesel systems sold in Europe require adaptation after each key-recoding. Thecoding procedure is available in “PATS II” ECU. Please note that not all Lucas EPIC systems arecovered at this time.LED indicator of PATS statusIgnitionLEDDescriptionOFFShort flashingStand-by mode, PATS worksONLights 4 seconds andturns offInserted and correctly identified keyONFast flashingWrong key, anti-scan mode is activatedONOnWaiting for coding keysWhen Anti-scan mode is activated, you must wait at least 30 seconds before any operations withPATS.2/8

FoCOM service guide - PATS about PATS stateThis function displays all importantinformation about PATS system and itsstate. Ford IDS doesn't provide thisfunction.Authorization:Informs, whether secure access ispermittedorforbidden(PATSoperations are allowed).PATS types:Timed: Delay of approx. 10 minutes isrequired before codingCoded: Requires challenge-response INCODE/OUTCODE authorization (you can obtainINCODEs using or through Ford ETIS service)Minimum number of keys:Minimum number of programmed keys required for correct function of PATS (car won't start if lessthen required number of keys is programmed).Number of coded keys:Current number of programmed keys. Number should be equal to or greater than previous value, inother case trouble codes will appear fault code memory.It is very important to have correct type of transponder for every model and minimal numberof keys.PATS unlockingBefore any operation with PATS you have to get access to PATS ECU.In coding access you see window asking for OUTCODE/INCODE.3/8

FoCOM service guide - PATS coded PATS generates a so-called OUTCODE, which requires a so-called INCODE, which isdependent on a specific vehicle and generated OUTCODE.PATS unlocking is performed before any operation automatically, you do not have to use FoCOM“PATS Login” function. The PATS Login is used only for test purposes (to verify correctness ofincode) and some special operations.For each OUTCODE, which control unit generates, is necessary to get a unique INCODE.Using one and the same INCODE during more operations with PATS is not possible.INCODE can be obtained at or using Ford ETIS service.Please note that service doesn't support yet a 2011 Ford Mondeo/SMax/Galaxy/Focus and C-Max vehicles that use different system. For such vehicles you need toobtain the INCODE using other source such as Ford ETIS.Timed PATS starts the countdown automatically. Program cannot speed-up the countdown, it fullydepends on the control unit.You can cancel the running countdown by clicking on Cancel button. While FoCOM is waiting forcontrol unit to unlock, it communicates with control unit and therefore ignition has to be switchedON.A dialog waiting for the completion of the operation (programming, clearing, etc.) isdisplayed afterwards. Operations aredescribed in following chapters.Then press Cancel button to start codingprocedure. If you are changing key,ignition must not be switched off for morethan 10 seconds.4/8

FoCOM service guide - PATS keys procedure–––––––––––Connect to PCMChoose Erase all keys and program newLogin to PATS (see previous chapter)Communication is in progressAfter few minutes of waiting is showing the call for delete keys by pressing Cancel button.The control unit is now ready to perform deleting and coding a new keys. Pressing Cancelbutton is going to delete ALL keys and is necessary to coding a new one. The followingprocedure is intended for vehicles requiring min. 2 coded keysTurn ignition OFFTurn ignition ON (wait about 5 seconds), PATS LED is onTurn ignition OFF and remove keyInsert the next key and turn the ignition ON (PATS LED off after about 5 seconds)Turn OFF the ignition and wait 60 secondsCheck by PATS state information function if the keys was deleted and the new keys added(if the number of keys is 0 or 1, it is necessary to add the next key(s) by Program new keyfunction)As long as minimal number of keys required by PCM isn't programmed, engine may notstart. Fault code memory will show error stating that less than minimum required keys isprogrammed.New key programming procedure– Connect to ECU that holds programmed keys (typ. PCM, IPC, BCM or RKE depending onmodel)– Click item Program new key– Log in to PATS (see previous chapter)– Once the information “After clicking Cancel, key will be programmed” appear, insert newkey in to ignition OFF (if key have not been there yet) and switch to ON position– click on Cancel button– New key will be programmed– Switch key to OFF or remove key– Check if operation was successful by function Information about PATS state5/8

FoCOM service guide - PATS“Pairing” PATS Control UnitsFor vehicles that use multiple ECUs for PATS system (e.g. PCM and IPC, BCM RKE or SCIL),ECUs need to contain same vehicle security data. For this purpose FoCOM provides “PATSPairing” function, which is available coding menu of non-PCM ECU (IPC, BCM, SCIL or RKE).The function is available only on coded PATS.PATS pairing requires obtaining two INCODE/OUTCODE pairs of both ECUs involved in PATSsystem.PATS pairing function is now available also on UDS protocol.Supported multi-ECU PATS systems:MakeFordMazdaModelsPATSECU #2Fiesta/Fusion (EU) 2002-IPCFiesta/Fusion (EU) 2008- (UDS)IPCTransit 2006- (UDS)BCMTransit Connect 2007-IPCMondeo/S-Max/Galaxy 2006- (UDS)BCMFocus/C-Max 2004-2010IPCFocus/C-Max 2010- (UDS)BCMExplorer 2006-IPCF-150 2009-IPC3 2003-2008IPCCX7IPC5 2007-RKE6 2008- (UDS)IPC6/8

FoCOM service guide - PATS PATS fault ionLess than 2 (or 3 if equipped w/Valet key) keys programmed to the system.Transceiver internal antenna damaged. Replace transceiver.ECU is defective (EEPROM in PCM is not working – replace PCM). PATS relatedwhen stored in PCM only.Non-PATS Key or damaged key.Unprogrammed encoded ignition key detected (leave ignition on for 20 secondsbefore trying a programmed key, in Anti-Scan Mode)Particial detection of encoded ignition key.Transceiver signal not detected.Non-Volatile Memory (NVM) configuration failure – No PCM ID stored in PATSPCM ID does not match between the PCM and PATS control(PATS/ICM/VIC/HEC/SCIL).Key program failure (defective key or transceiver).Communications issue, SCP (J1850), between PCM and PATS control(PATS/ICM/VIC/HEC/SCIL).Communications issue, CAN (J2284), between PCM and PATS control (ICM).PCM disabled the vehicle because of a PATS concern. Retrieve DTCs fromapplicable PATS control function (PATS/ICM/VIC/HEC/SCIL).PCM disabled the vehicle because of incorrect challenge response. Retrieve DTCsfrom applicable PATS control function (PATS/ICM/VIC/HEC/SCIL).PCM disabled the vehicle because of a communication issue with control module.Retrieve DTCs from applicable PATS control function (PATS/ICM/VIC/HEC/SCIL).7/8

FoCOM service guide - PATS not related to PATS The “Service Engine Soon” light is illuminated. (Investigate PCM system)There is no communication with PCM: PCM will always communicate on the diagnosticlink regardless of theft status. (Investigate PCM system)Engine stalls on road: Once the engine runs for one second, PATS CANNOT disable theengine. Running stalls are not PATS related issues.Remote Entry/Keyless Entry problems: PATS is completely separate from the RemoteEntry/Keyless Entry systems.There is a no-crank problem on vehicles without PATS Starter disable. Check chart, onreverse side, for presence of Starter Interrupt.PATS Theft Indicator flashes every 2 seconds at Ignition OFF. This is normal operationfor PATS to act as a visual theft deterrent. See chart on reverse side for applicable system.PATS Theft Indicator stays on for 2 or 3 seconds (depending on system type) at IgnitionRUN or START and then off: This is normal operation for PATS prove out on all vehiclesexcept LS and Thunderbird.PATS system typesA&B: Stand Alone Module (PATS)C:-Instrument ClusterVirtual Image Cluster (VIC)Hybrid Electronic Cluster (HEC)Instrument Cluster Module (ICM)D: Steering Column Ignition Lock Module (SCIL)E: Powertrain Control Module (PCM)F: Powertrain Control Module (PCM)G: Instrument Cluster Module (ICM)Type of transceivers (active antennas)– small Ford– small Valeo (only transceiver, Ford Galaxy, engine Duratec)– big Valeo (Ford Galaxy 1.9 Tdi VW)8/8