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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.
    • Position 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 & KEYLESS ENTRY SYSTEM for the remote transmitter programming instructions.
    NOTE: DTC B2276 may set, indicating there are less than 2 transmitters programmed to the SJB  . For additional information, refer to HANDLES, LOCKS, LATCHES & KEYLESS ENTRY SYSTEM .
  4. Download the SJB  configuration information from the scan tool. For additional information, refer to MODULE COMMUNICATIONS NETWORK - MODULE CONFIGURATION .
  5. Train the tire pressure sensors. For additional information, refer to TIRES & WHEELS .
    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 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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