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Home › Ford › 2012 › Taurus SE › Repair and Diagnosis › External Pages › Different car › Section 1100 (Interior Lighting System) › Diagnostic Tests › Interior Lighting › Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2007 Lincoln MKX and 2007 Ford Edge. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern.
  2. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Courtesy lamps
    • Map lamps
    • Cargo lamp
    • Vanity lamps
    • Smart junction box (SJB) fuse(s):
      • 9 (15A)
      • 10 (15A)
      • 25 (10A)
    • Circuitry
    • Ajar switch(es) (integral to latch)
    • Courtesy lamp(s)
    • Map lamp(s)
    • Puddle lamp(s)
    • Cargo lamp
    • Vanity lamp(s)
    • Overhead console
    • Dimmer switch
    • SJB
  3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
    4. NOTE: Make sure to use the latest scan tool release software.
  4. If the cause is not visually evident, connect the scan tool to the data link connector (DLC).
    5. NOTE: The vehicle communication module (VCM) LED prove-out confirms power and ground from the DLC are provided to the VCM.
  5. If the scan tool does not communicate with the VCM:
    • Check the VCM connection to the vehicle.
    • Check the scan tool connection to the VCM.
    • Refer to MODULE COMMUNICATIONS NETWORK , No Power To The Scan Tool, to diagnose no communication with the scan tool.
  6. If the scan tool does not communicate with the vehicle:
    • Verify the ignition key is in the ON position.
    • Verify the scan tool operation with a known good vehicle.
    • Refer to MODULE COMMUNICATIONS NETWORK to diagnose no response from the PCM.
  7. Carry out the network test.
    • If the scan tool responds with no communication with the SJB, refer to MODULE COMMUNICATIONS NETWORK .
    • If the network test passes, retrieve and record the continuous memory DTCs.
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the SJB and the power liftgate module (if equipped).
  9. If the DTCs retrieved are related to the concern, go to Diagnostic Trouble Code (DTC) Charts. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
  10. If no DTCs related to the concern are retrieved, go to Symptom Chart .
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