IMMOBILIZER SYSTEM (PATS) COMPONENT REPLACEMENT/KEY ADDITION AND CLEARING[AJ (3.0L Duratec)]

id0914008089a4

Foreword

Reference Number	Situation	Items necessary to perform procedure	Reference
1	Programming an additional key when the customer has two or more keys that can start the engine.	•  Programming key	•  If the additional key programming method has been changed to “Customer spare key programming disabled” (inhibiting the method that uses two keys that are able to start the engine), the M-MDS is required when programming the additional key.In that case, perform No. 2.
2	Programming an additional key when the customer has one or no more keys that can start the engine.	•  Programming key •  M-MDS	-
3	Clearing previously programmed key ID numbers	•  Programming keys (Two or more) •  M-MDS	•  All the key ID numbers programmed in the vehicle are cleared. •  Unless keys are re-programmed after clearing the key ID numbers, the engine cannot be started.Before beginning the procedure, verify that the customer has turned in all of the keys for the vehicle. •  Unless two or more keys are programmed after replacement, the engine cannot be started. •  The keys (two or more keys) readied before beginning the procedure do not have to be new keys.
3	Replacing all keys. (Key cylinder replacement)	•  Programming keys (Two or more) •  M-MDS	•  When replacing the key cylinder, have two or more keys ready for programming before beginning the procedure, since the previous keys will be invalid.
4	Changing the method for programming additional keys. (Method for programming other keys using two keys that can start the engine is disabled.)	•  M-MDS	•  After performing this procedure it is not possible to program additional keys according to procedure No.1.The system can be returned to the original setting.The M-MDS must always be used to change the system setting.
4	Changing the method for programming additional keys. (Method for programming other keys using two keys that can start the engine is enabled.)	•  M-MDS	•  This is the default setting on new vehicles.
5	Replacing the PCM.	•  Replacement PCM •  M-MDS	-
-	Replace the coil antenna.	•  New coil antenna	•  Resetting of the immobilizer system does not need to be performed.
-	Replace the instrument cluster.	•  Replacement instrument cluster	•  Resetting of the immobilizer system does not need to be performed.

Caution

•  If any of the following items are touching or near the key head, signal communication between the key and vehicle is negatively affected, resulting in the engine not starting or the key programming failure. Do not perform the procedure if any of the following items are touching or near the key head.

―  Any metallic object

―  Spare keys or keys for other vehicles equipped with an immobilizer system

―  Any electronic device, or any credit or other cards with magnetic strips

atraaw00002470

Note

•  Within the following procedures, the term a “valid key” means a “key that can start the engine”.

•  After adding/programming keys, clearing ID numbers or replacing any component part of the immobilizer system, verify that all keys can start the engine and it runs for 5 s or more.

•  When verifying that the keys can start the engine, wait at least 5 s or more between inserting them.

•  If the engine cannot be started using a programmed key, repeat the procedure from the beginning.

•  Do not start the engine until the necessary number of keys have been programmed. If the engine is started during the programming procedure, programming is stopped at that point. Repeat the procedure starting from the beginning if the engine is started before completion.

•  Two or more key ID numbers must be programmed for the engine to start.

•  A maximum of eight key ID numbers can be programmed for one vehicle. The M-MDS can be used to verify the number of key ID numbers programmed for a single vehicle.

•  Do not select any M-MDS screens that are not indicated in these procedures.

No.1 Additional Key Programming Procedure (Using Two Valid Keys) Conditions

Conditions

•  Customer has two or more valid keys.

Note

•  A maximum of eight keys can be programmed for any one vehicle. If key programming is not successful and DTC 15 appears even though the procedure was performed properly, use the PID/data monitor function of the M-MDS and verify the number of keys that have been programmed.

•  If eight keys have already been programmed, and it is necessary to program other keys, the previously programmed key ID numbers must first be cleared.To clear the key ID numbers, refer to “No.3 Key Replacement Procedure (Clearing Previously Programmed Key ID Numbers, Key Re-program)”.

Procedure

1.  Have one key (key 3) ready for programming.

atraaw00002471

2.  Using key 1, turn the ignition switch to the ON position.

3.  Verify that the security light illuminates for approx. 3 s and then goes out.

4.  Using key 1, turn the ignition switch to the LOCK position within approx. 4 s after the security light goes out.

5.  Remove key 1.

6.  Repeat Steps 2—5 using key 2 instead of key 1.

7.  Repeat Steps 2—5 using key 3 instead of key 1.

8.  If additional keys need to be programmed, repeat Steps 1—7 in the same manner as key 3.

No.2 Additional Key Programming Procedure (Using the M-MDS)

Conditions

•  Customer has only one valid key.Or customer has no valid keys. (Can also be performed even if there are two or more valid keys.)

Note

•  A maximum of eight keys can be programmed for one vehicle. If key programming is not successful and DTC 15 appears even though the procedure was performed properly, use the PID/data monitor function of the M-MDS and verify the number of keys that have been programmed.

•  If eight keys have already been programmed, and it is necessary to program other keys, the previously programmed key ID numbers must first be cleared.To clear the key ID numbers, refer to “No.3 Key Replacement Procedure (Clearing Previously Programmed Key ID Numbers, Key Re-program)”.

Procedure

1.  Prepare a key for programming.

2.  Using key 1, turn the ignition switch to the ON position.

Note

•  Although the security light flashes and DTC 15 is displayed, this does not indicate an improper procedure. Continue to perform the procedure as indicated.

3.  Connect the M-MDS to the DLC-2.

4.  Select “BODY/SECURITY/PATS” from the M-MDS menu.

5.  Perform security access as indicated on the M-MDS screen. (See No.6 Security Access Procedure.)

6.  Select “Program Additional Ignition Key” from the M-MDS screen menu and perform the tasks according to the M-MDS screen.

No.3 Key Replacement Procedure (Clearing Previously Programmed Key ID Numbers, Key Re-program)

Procedure

atraaw00002472

1.  After clearing the key ID numbers, prepare two keys for programming.

2.  Using key 1, turn the ignition switch to the ON position.

Note

•  When using an unprogrammed key to turn the ignition switch to the ON position, although the security light flashes and DTC 15 is displayed, this does not indicate an improper procedure. Continue to perform the procedure as indicated.

3.  Connect the M-MDS to the DLC-2.

4.  Select ”BODY/SECURITY/PATS” from the M-MDS menu.

5.  Perform security access as indicated on the M-MDS screen. (See No.6 Security Access Procedure.)

6.  Select “Ignition key ID number Erase” from the M-MDS screen menu and perform the tasks according to the M-MDS screen.

No.4 Changing the Method for Programming Additional Keys

Note

•  This procedure is for changing the enable/disable setting of “No.1 Additional Key Programming Procedure (Using Two Valid Keys)”.

•  The default setting for new vehicles and new instrument cluster replacement is “Enabled”.

•  By disabling procedure ”No.1 Additional Key Programming Procedure (Using Two Valid Keys)“, only the M-MDS can be used to program additional keys, thereby preventing two valid keys from being used to create an unauthorized spare key.This function is for use by rental car or other companies with vehicle fleets.

Procedure

1.  Using any key, turn the ignition switch to the ON position. (Either a valid or an unprogrammed key can be used.)

Note

•  When using an unprogrammed key, although the security light flashes and DTC 15 is displayed, this does not indicate an improper procedure.

2.  Connect the M-MDS to the DLC-2.

3.  Select “BODY/SECURITY/PATS” from the M-MDS menu.

4.  Perform security access as indicated on the M-MDS screen. (See No.6 Security Access Procedure.)

5.  Select either “Customer Spare Key Programming Enable” or “Customer Spare Key Programming Disable” from the M-MDS screen menu.Depending on the selected menu, the additional key programming method is as shown below:

Setting	Additional key programming method
	Procedure using two valid keys	Procedure using M-MDS
Customer spare key programming enable	X	X
Customer spare key programming disable	—	X

6.  After verifying that the PATS function menu is displayed again on the M-MDS screen, select “Exit” to complete the M-MDS function.

7.  After Step 6, wait 10 s or more and then turn the ignition switch to the LOCK position.

No.5 Resetting Procedure for the Immobilizer System when Replacing the PCM

1.  After replacing the PCM, perform programming according to “Key Replacement Procedure“. (See No.3 Key Replacement Procedure (Clearing Previously Programmed Key ID Numbers, Key Re-program).)

Note

•  Two or more key ID numbers must be programmed for the engine to start.

No.6 Security Access Procedure

Note

•  Security access must be performed when performing the following functions: “Program Additional Ignition Key”, “Ignition Key ID Number Erase”, and “Customer Spare Key Programming Enable/Disable”.

Procedure

1.  Connect the M-MDS to the DLC-2.

2.  Select “Body/Security/PATS function” from the M-MDS screen menu.

3.  Security access is started.

Note

•  It takes 10 minute for security access to be granted.During this period the ignition switch must be in the ON position and the M-MDS must be connected to the vehicle.

4.  After successfully performing security access, “Program Additional Ignition Key”, “Ignition key ID number Erase”, or “Customer Spare Key Programming Enable/Disable” is displayed on the M-MDS screen.