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Home >> Ford >> 2002 >> Cutaway 7.3 F >> Repair and Diagnosis >> External Pages >> Different car >> Section 2409 (Steering Column Switches -- F250-F550 Super Duty) >> Diagnostic Tests >> Steering Column Switches >> Inspection and Verification >> Notes

Inspection and Verification: Notes

WARNING: This page is about a different car, the 2008 Ford Pickup, 2008 Ford F550 Super Duty, 2008 Ford F450 Super Duty, and 2008 Ford Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern by operating the multifunction switch or ignition switch.
  2. Visually inspect for obvious signs of mechanical or electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Multifunction switch
    • Ignition switch
    • Key efforts
    • Steering column shrouds
    • Battery Junction Box (BJB) fuse(s):
      • 40 (30A)
      • 46 (40A)
    • Circuit Deactivation Ignition Module (CDIM)
    • Instrument Cluster (IC)
    • Passive Anti-Theft System (PATS) module
    • Smart Junction Box (SJB) fuse(s):
      • 25 (10A)
      • 26 (10A)
      • 27 (20A)
      • 28 (5A)
      • 42 (10A)
      • 43 (10A)
      • 44 (10A)
      • 45 (5A)
    • Wiring, terminals or connectors
  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 software release.
  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 article, No Power To The Scan Tool, to diagnose no power to 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 article to diagnose no response from the PCM.
  7. Carry out the network test.
    • If the scan tool responds with no communication for one or more modules, refer to MODULE COMMUNICATIONS NETWORK article.
    • If the network test passes, retrieve and record continuous memory DTCs.
  8. Clear the continuous DTCs and carry out the self-test diagnostics for the SJB and the CDIM.
  9. If the DTCs retrieved are related to the concern, refer to the Smart Junction Box (SJB) DTC Chart or the Circuit Deactivation Ignition Module (CDIM) DTC Chart. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES article.
  10. If no DTCs related to the concern are retrieved, go to Symptom Chart .
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