2006-2011 Ford Ranger (PJ/PK) OEM Service & Repair Manual

419-01-1 419-01-1 Anti-Theft — Passive Anti-Theft System (PATS) DESCRIPTION AND OPERATION The control function is contained in the PCM. The Anti-Theft PCM carries out all of the PATS functions such as Anti-Theft — Passive Anti-Theft System receiving the identification code from the PATS key (PATS) and controlling the starter enable signal. The PCM initiates the key interrogation sequence when the The PATS uses radio frequency identification PATS key is inserted in the ignition switch and technology to deter a driveaway theft. Passive when the key is turned to the RUN or START means that it does not require any activity from the position. user. The PCM enables or disables the engine. All The PATS uses a specially encoded ignition key. elements of PATS must be functional before the Each PATS key contains a permanently installed engine is allowed to start. If any of the components electronic device called a transponder. Each are not working correctly, the vehicle does not start. transponder contains a unique electronic identification code, with over 18 billion billion All elements of the PATS must be functional before combinations. the engine is allowed to start. If any of the components are not working correctly, the vehicle Each PATS key must be programmed into the will not start vehicle powertrain control module (PCM) before it can be used to start the engine. There are special The PATS uses a visual theft indicator, located in diagnostic procedures described in the Workshop the instrument cluster. This indicator proves out for Manual that must be carried out if new PATS keys 3 seconds when the key is turned to the RUN or are to be installed. Refer to General Procedures in START position under normal operation. If there is this section. a PATS problem, this indicator either flashes rapidly or glows steadily (for more than 3 seconds) This system contains a feature named Unlimited when the key is turned to the RUN or START Key Mode. This feature allows a customer to position. program more than eight keys to the vehicle if they request it. Each vehicle in Unlimited Key Mode is PATS is active only for a few seconds when the set up with a special Unlimited Transponder vehicle is starting. It is not a PATS concern if the Security Key. This allows all the customer vehicles vehicle stalls after it has been running for a to share the same keys, but no other keys from minimum of 3 seconds. PATS will not disable a outside can be used to operate the vehicles. For an running vehicle. individual customer, any randomly selected Security PATS may cause a vehicle no start due to either the Key is acceptable. Refer to Key Programming fuel injectors or the starter not operating (starter Switch State Control in this section. relay does not close) or both. Always check for The PATS key is larger than a traditional ignition PATS DTCs from the PCM when a no-crank or key. The PATS key does not require batteries and no-start condition exists. A low state of charge should last the life of the vehicle. (SOC) in the vehicle battery may cause the PATS to allow the starter operation, but prevent the fuel The PATS transceiver communicates with the PATS injectors from operating. key. The PATS transceiver is located in the steering column attached to the ignition lock cylinder If the theft light does not prove out (it may be housing. During each vehicle start sequence, the either flashing or glowing steadily) and one (or PATS transceiver reads the PATS key both) of the previous conditions (fuel injectors identification code and sends the data to the PCM. and/or starter inoperative) are present, it may be due The PCM validates the code as correct and enables to a PATS issue. If the theft light proves out, it the starter. may not be a PATS issue. If the theft light does not illuminate at all, it may be a circuitry/instrument cluster issue. Refer to Symptom Chart in this section. Copyright  2005, Ford Motor Company Last updated: 4/10/2007 2006 Ranger, 9/2005

419-01-2 419-01-2 Anti-Theft — Passive Anti-Theft System (PATS) DESCRIPTION AND OPERATION (Continued) The PATS is not compatible with non-Ford The following will activate the PATS and will approved aftermarket remote start systems, which disable the vehicle from starting: allow the vehicle to be started from outside the • incorrectly encoded ignition key vehicle. These systems may reduce the vehicle • damaged encoded ignition key security level, and also may cause no-start issues. Remote start systems must be removed before • unprogrammed key investigation of PATS-related no-start issues. • non-encoded key (key has no electronics) • damaged wiring • damaged PATS transceiver • damaged PCM 2006 Ranger, 9/2005

419-01-1 419-01-1 Anti-Theft — Passive Anti-Theft System (PATS) GENERAL PROCEDURES 1. From the diagnostic tool enter PCM. Select Anti-Theft Security Access security access. This procedure takes 10 minutes to carry out, during which the key must Special Tool(s) be in ON and the diagnostic tool must be Worldwide Diagnostic System connected to the vehicle. (WDS) Vehicle Communication Module 2. After the 10-minute security access procedure is (VCM) with appropriate complete, a new menu is displayed with adapters, or equivalent command options. Select only those functions diagnostic tool required before exiting out of this menu. Once exited out of this menu, the security access procedure must be repeated again to carry out NOTE: The security access procedure is used to additional commands. obtain passive anti-theft system (PATS) security access. PATS security access must be granted to erase ignition keys, enable/disable unlimted key mode, and enable/disable the spare key programming switch PID. The security access procedure invokes an inherent 10-minute time delay prior to granting security access during which the diagnostic tool must remain connected to the vehicle. Once security access is granted, a security access command menu is displayed which offers various command options. NOTE: Once security access is granted, multiple security access commands should be executed (if necessary) prior to exiting the command menu. This prevents the need for an additional security access procedure and the associated 10-minute time delay. Copyright  2005, Ford Motor Company Last updated: 06/30/2005 2006 Ranger, 9/2005

419-01-1 419-01-1 Anti-Theft — Passive Anti-Theft System (PATS) GENERAL PROCEDURES Unlimited Key Mode Programming Key Programming Switch State Control NOTE: Unlimited key mode is intended for use by those customers who need more than 8 keys for Special Tool(s) their vehicle. Worldwide Diagnostic System (WDS) 1. The customer must choose a 4-digit, non-0000 Vehicle Communication Module number to be programmed to all of their (VCM) with appropriate vehicles. All customer vehicles need to use the adapters, or equivalent same number. Valid digits are 0-9 plus the diagnostic tool letters A-F. 2. NOTE: If the unlimited transponder key ID NOTE: The spare key programming switch is a PID: is not available, unlimited key mode is diagnostic tool programmable switch, which turned ON, and must be turned off before provides the capability to enable/disable the viewing the stored code. At this time, unlimited customer spare key programming procedure. Refer keys may be programmed to the vehicle. To to the Owner Literature programming spare keys view/change the stored code, follow the procedure or Key Programming Using Two procedure for turning off unlimited key mode Programmed Keys in this section. This below. programmable switch is provided as a convenience Check the unlimited transponder key ID PID for customers who may not want the spare key and compare its value against the code chosen programming procedure available to the vehicle in Step 1. driver. 3. Using the diagnostic tool, select PCM from the NOTE: The spare key programming switch state menu. Follow anti-theft security access to can be viewed by spare key PCM PID. obtain security access. For additional information, refer to Anti-Theft Security Access 1. Insert a programmed ignition key into the in this section. ignition lock cylinder and turn the key to ON. 4. If the Unlimited Transponder Security Key PID 2. Using the diagnostic tool , select PCM from the was 0000, select the Set unlimited transponder menu. Follow anti-theft security access to key active command. Enter the 4-digit code obtain security access. For additional chosen by user. information, refer to the Anti-Theft Security Access procedure in this section. 5. Select: enable unlimited key mode. 3. NOTE: The default setting on delivery of all 6. Select: ignition code erase. new vehicles is enable. From the diagnostic tool menu, select the spare 7. Disconnect the diagnostic tool and turn the key key programming switch selection to the off. desired setting: 8. Program in 2 ignition keys to enable the Enable, the spare key programming procedure is vehicle. accessible. Disable, the spare key programming procedure 9. Program any additional keys using either Key is not accessible. Programming Using Two Programmed Keys or Key Programming Using Diagnostic Equipment in this section. Copyright  2005, Ford Motor Company Last updated: 06/30/2005 2006 Ranger, 9/2005

419-01-2 419-01-2 Anti-Theft — Passive Anti-Theft System (PATS) GENERAL PROCEDURES (Continued) Disabling Unlimited Key Mode 4. Disconnect the diagnostic tool and turn the key to the OFF position. 1. Using a diagnostic tool, select PCM from the 5. Program 2 keys to enable the vehicle. menu. Follow anti-theft security access to obtain security access. For additional 6. Program any additional keys using either the information, refer to Anti-Theft Security Key Programming Using Two Programmed Accessin this section. Keys or the Key Programming Using Diagnostic Equipment procedure in this section. 2. Select: disable unlimited key mode. 3. Select: ignition key code erase and reset service bit, if applicable. 2006 Ranger, 9/2005

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2006-2011 Ford Ranger (PJ/PK) OEM Service & Repair Manual

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2006-2011 Ford Ranger (PJ/PK) OEM Service & Repair Manual

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