Smart Junction Box (SJB): Installation

WARNING: This page is about a different car, the 2010 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

Position the SJB and install the 3 nuts.
- Tighten to 4 Nm (35 lb-in).
NOTE: If the SJB is not being replaced, this is the last step that is necessary.

Connect the 7 electrical connectors.
NOTE: When successful, this step provides the calibration necessary for the SJB operation and clears DTCs B106D, B2477 and B2A21. The clearing of these DTCs indicates the calibration data has been successfully downloaded to the SJB .

NOTE: DTC B2276 may be set, indicating there are less than 2 transmitters programmed to the SJB . For additional information, refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS .

Download the SJB configuration information from the scan tool to the SJB . For additional information, refer to MODULE CONFIGURATION .
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 training procedure.

Train the tire pressure sensors. For additional information, refer to WHEELS & TIRES .
NOTE: DTC C2780 does not clear if any other DTCs are present in the SJB .

Carry out the SJB self-test (must include an on-demand self-test) and then repeat the self-test to confirm all DTCs (including DTC C2780) have been cleared.
Rotate the instrument panel dimmer switch from the full dim position to the dome ON position. This makes sure that all displays are visible under all lighting conditions.