Ford Workshop Service and Repair Manuals

The RKE transmitter can be programmed using the ignition lock cylinder method.

The RKE transmitter initiates the following electronic system functions:

• Unlocks all doors
• Locks all doors
• Commands the interior lamps on (when unlocking) and off (when locking)

The RKE transmitter has a minimum operating range of 10 m (33 ft).

Remote Keyless Entry (RKE) Transmitter Lock/Unlock Control — Unlock

This RKE transmitter feature provides lock/unlock functions independently of key position, vehicle speed, or transmission position. This RKE transmitter feature provides a one-step process for unlocking the doors. Upon receipt of the first request for unlocking the doors, the SJB unlocks all the doors.

Remote Keyless Entry (RKE) Transmitter Lock/Unlock Control — Lock

This RKE transmitter feature requests that all the doors be locked when the LOCK button on the RKE transmitter is pressed. If 2 presses of the LOCK button are received within 3 seconds the turn signal indicators flash to indicate that all the doors are closed and locked. If any door is ajar when the second lock command is received within 3 seconds of the first, the RKE transmitter feature locks all the doors without flashing the turn signal indicators to indicate that one or more doors are ajar. When the key is in the ON or START position, no turn signal indicators flash or confirmation occur.

Double Locking

Double locking is a theft protection feature which prevents the vehicle from being opened by the interior door handles. Double locking can only be set if the front doors are closed and the key is in the OFF position. Double locking is set by pressing the RKE transmitter LOCK button twice. If all doors, hood and liftgate are closed, the vehicle provides 2 flashes of the turn signal indicators. If a door was ajar when the RKE transmitter LOCK button was pressed the vehicle will become central locked. If the rear doors or hood were open when the RKE transmitter LOCK button was pressed, the vehicle will double lock.

When the vehicle has been double locked, double locking will be reset to central locking when reading a valid passive anti-theft system (PATS) key.

In the case of disconnecting and reconnecting the battery, double locking will be reset if the latch conditions indicate that the vehicle is not centrally locked.

Inspection and Verification

Visual Inspection Chart

Pinpoint Test A: All Door Locks Are Inoperative From One Switch

Refer to Wiring Diagrams Cell 100, for schematic and connector information.

Refer to Wiring Diagrams Cell 110, for schematic and connector information.

Normal Operation

The driver door lock control switch is grounded on circuit 57 (BK) and the passenger door lock control switch is grounded on circuit 570 (BK/WH). The door lock control switches supply a ground signal to the smart junction box (SJB). When the SJB receives a door lock control switch lock command through circuit 1088 (PK/WH), it supplies voltage to the door lock actuators through circuit 117 (PK/BK), while grounding circuit 118 (PK/OG) to lock all the doors. When the SJB receives a door lock control switch unlock command through circuit 1088 (PK/WH), it supplies voltage to the door lock actuators through circuit 118 (PK/OG), while grounding circuit 117 (PK/BK) to unlock all the doors. The driver door lock control switch and passenger door lock control switch circuits are spliced together within the wiring harness.

Possible Causes

• Circuit 57 (BK) open
• Circuit 570 (BK/WH) open
• Circuit 1088 (PK/WH) open or short to ground
• Door lock control switches
• SJB

Refer to Wiring Diagrams Cell 110, for schematic and connector information.

Normal Operation

The driver door lock control switch is grounded on circuit 57 (BK) and the passenger door lock control switch is grounded on circuit 570 (BK/WH). The door lock control switches supply a ground signal to the smart junction box (SJB). When the SJB receives a door lock control switch lock command through circuit 1088 (PK/WH), it supplies voltage to the door lock actuators through circuit 117 (PK/BK), while grounding circuit 118 (PK/OG) to lock all the doors. When the SJB receives a door lock control switch unlock command through circuit 1088 (PK/WH), it supplies voltage to the door lock actuators through circuit 118 (PK/OG), while grounding circuit 117 (PK/BK) to unlock all the doors. The driver door lock control switch and passenger door lock control switch circuits are spliced together within the wiring harness.

Possible Causes

• Circuit 57 (BK) open
• Circuit 117 (PK/BK) open or short to ground
• Circuit 118 (PK/OG) open or short to ground
• Circuit 1088 (PK/WH) open or short to ground
• Door lock control switches
• SJB

Refer to Wiring Diagrams Cell 110, for schematic and connector information.

Refer to Wiring Diagrams Cell 117, for schematic and connector information.

Normal Operation

The door lock control switches supply a ground signal to the smart junction box (SJB). When the SJB receives a door lock control switch lock command through circuit 1088 (PK/WH), it supplies voltage to the door lock actuators through circuit 117 (PK/BK), while grounding circuit 118 (PK/OG) to lock all the doors. When the SJB receives a door lock control switch unlock command through circuit 1088 (PK/WH), it supplies voltage to the door lock actuators through circuit 118 (PK/OG), while grounding circuit 117 (PK/BK) to unlock all the doors. The driver door lock control switch and passenger door lock control switch circuits are spliced together within the wiring harness.

Possible Causes

• Circuit 117 (PK/BK) open
• Circuit 118 (PK/OG) open
• Circuit 163 (RD/OG) open
• Door latch
• Liftgate latch

Normal Operation

Remote locking and unlocking of the doors is accomplished by the smart junction box (SJB) receiving a command message from the RKE transmitter. The SJB processes the command and provides voltage and ground to the door lock actuators.

All RKE transmitters must be present to begin diagnosis of the RKE system.

Aftermarket or dealer-installed systems may adversely affect the RKE system operation. These systems should be disconnected before diagnosing any RKE concerns.

Possible Causes

• RKE transmitter battery
• RKE transmitter programming
• RKE transmitter
• Aftermarket systems
• SJB

Normal Operation

The RKE transmitters and the smart junction box (SJB) use a rolling code to prevent the codes from being captured by a code grabber. The system advances the counter in the RKE transmitter and in the SJB every time a RKE transmitter button is pressed.

Possible Causes

• RKE transmitter button pressed a substantial amount of times while outside the range of the vehicle
• RKE transmitter

Normal Operation

Remote locking and unlocking of the doors is accomplished by the smart junction box (SJB) receiving a command message from the RKE transmitter. The SJB processes the command and provides voltage and ground to the door lock actuators. The RKE transmitter has a minimum operating range of 10 m (33 ft).

Aftermarket or dealer-installed systems may adversely affect the RKE system operation. These systems should be disconnected before diagnosing any RKE concerns.

Possible Causes

• Aftermarket systems
• High power devices
• TV/radio transmission towers
• RKE transmitter
• SJB