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Smart Junction Box (SJB): Installation

WARNING: This page is about a different car, the 2009 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: When a new SJB is installed, all customer remote keyless entry (RKE) transmitters may be required to be present in order to program the RKE transmitters to the new SJB.
    CAUTION: Make sure the wiring harnesses are correctly routed. Pinching the wiring harnesses between the SJB and the mounting surface may cause damage to the wiring harness.
    NOTE: Do not remove the watershield from the new SJB.
    NOTE: The SJB electrical connector levers must click into a fully closed (connected) position when installing.
  1. Connect the 6 rear SJB electrical connectors and install the SJB.
  2. Install the SJB nut.
    • Tighten to 6 Nm (53 lb-in).
    3. NOTE: The SJB electrical connector levers must click into a fully closed (connected) position when installing.
  3. Connect the 2 front SJB electrical connectors by fully engaging the levers until an audible click is heard.
    4. NOTE: If the SJB was not replaced, the procedure is completed after this step. If the SJB was replaced, follow steps 4-7.
  4. Install the RH A-pillar lower trim panel. For additional information, refer to INTERIOR TRIM AND ORNAMENTATION .
    5. NOTE: When successful, this step provides the calibration necessary for the SJB operation and clears the DTC B2477. The clearing of this DTC indicates the calibration data has been successfully downloaded to the new SJB.
    NOTE: When successful, this step also programs the RKE transmitters into the new SJB. In the event the RKE transmitters do not program to the new SJB, all of the RKE transmitters will need to be present and refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS , Remote Keyless Entry Transmitter Programming. This action will program the RKE transmitters into the new SJB.
  5. Download the SJB configuration information from the scan tool into the new SJB. For additional information, refer to MODULE CONFIGURATION .
    6. NOTE: When successful, this step clears DTCs B2868, B2869, B2870, and B2871. The clearing of these DTCs indicates the SJB has recognized the tire pressure sensors during the tire pressure sensor training procedure.
  6. Train the tire pressure sensors. For additional information, refer to WHEELS AND TIRES .
    7. NOTE: This step is required to clear DTC C2780, allow the SJB to exit the manufacturing mode, and to be sure there are no other concerns with the newly programmed SJB.
    NOTE: DTC C2780 will not clear if any of the other 5 manufacturing mode DTCs are present in the SJB.
  7. Carry out the SJB on-demand self-test. Clear the DTCs and then retrieve the DTCs to confirm all DTCs have been cleared.
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