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Smart Junction Box (SJB): Installation

    NOTE: Align the SJB bracket to the upper 2 mounting studs, then rotate the bracket onto the lower mounting stud.
  1. If necessary, install the 3 nuts and the SJB bracket.
  2. Install the SJB.
    • Connect the SJB B+ (battery lead, part of the 14290 harness) connector.
    • Locate the SJB into the 3 tabs and slide the SJB (to the right) to engage the SJB release tab into the SJB bracket.
    • Connect the electrical connectors.
    • Install the 2 harness pushpins into the SJB.
    3. NOTE: If the SJB was not replaced, this is the last step that is necessary.
  3. Install the steering column opening trim panel.
    4. NOTE: The RKE transmitter portion of the Integrated Keyhead Transmitter (IKT) key is automatically transferred during Programmable Module Installation (PMI). Passive Anti-Theft System (PATS) programming is not necessary. If As-Built data is required during PMI, all (IKT or fob) remote transmitters must be programmed to the new SJB. Cycling the ignition to run for 6 seconds with each IKT programs the RKE function of the IKT key. For additional information, refer to HANDLES, LOCKS, LATCHES AND ENTRY SYSTEMS Article for the remote transmitter programming instructions.
    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 Article.
  4. Download the SJB configuration information from the scan tool. For additional information, refer to MODULE CONFIGURATION SYSTEM Article.
  5. Train the tire pressure sensors. For additional information, refer to WHEELS & TIRES Article.
    6. NOTE: DTC C2780 does not clear if any of the pre-set DTCs are still present in the SJB. When successful, this step clears the DTC C2780.
  6. Carry out the SJB self-test (must include an on-demand self-test) and then repeat the self-test to confirm all DTCs have been cleared.
  7. Rotate the instrument panel dimmer switch from the full dim position to the dome ON position to calibrate the switch. This makes sure that all displays are visible under all lighting conditions.
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