Ford Focus manuals

Ford Focus Service Manual: Smart Junction Box (SJB)

Special Tool(s)

Vehicle Communication Module (VCM) and Integrated Diagnostic System (IDS) software with appropriate hardware, or equivalent scan tool


 
Item Part Number Description
1 Electrical connectors (part of 14A005)
2 Electrical connectors (part of 14290)
3 Electrical connectors (part of 14401)
4 W701152-S Smart Junction Box (SJB) nuts (3 required)
5 15604 SJB

Removal

NOTICE: Electronic modules are sensitive to static electrical charges. If exposed to these charges, damage to the module may result.

NOTE:

Prior to the replacement of the module, it is necessary to upload the module configuration information to a scan tool. This information must be downloaded into the new Smart Junction Box (SJB) after installation. For additional information, refer to Section  418-01. In the event that As-Built data is required (SJB does not communicate), all Remote Keyless Entry (RKE) devices must be programmed to the new SJB . A minimum of 2 devices are necessary to complete the configuration and turn off the flashing interior lights.

NOTE:

The Tire Pressure Monitoring System (TPMS) functionality is integral to the SJB .

NOTE:

A new SJB is delivered in a "manufacturing mode" with 8 pre-set DTCs. A successful configuration of the SJB , then a successful TPMS sensor training, and a successful self-test including the clearing of all DTCs is required in order to clear the 8 manufacturing mode DTCs. The 8 manufacturing mode DTCs are:

  1. NOTE:

    This step is only necessary if the SJB is being replaced.

    Upload the module configuration information from the SJB into the scan tool. For additional information, refer to Section  418-01.

  1. Disconnect the electrical connectors.
  1. Remove the 3 nuts and the SJB .

Installation

  1. Position the SJB and install the 3 nuts.
    • Tighten to 4 Nm (35 lb-in).
  1. NOTE:

    If the SJB is not being replaced, this is the last step that is necessary.

    Connect the 7 electrical connectors.

  1. NOTE:

    DTC B2276 may be set, indicating there are less than 2 transmitters programmed to the SJB . For additional information, refer to Section  501-14.

    Download the SJB configuration information from the scan tool to the SJB . For additional information, refer to Section  418-01.

  1. Train the tire pressure sensors. For additional information, refer to Section  204-04.
  1. 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.

  1. 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.
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