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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 150 (Supplemental Restraint System - F-150) >> Diagnosis And Testing >> Air Bag and Safety Belt Pretensioner Supplemental Restraint System (SRS) >> Inspection and Verification

Inspection and Verification

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Verify the customer concern by checking the air bag warning indicator in the Instrument Panel Cluster (IPC). Refer to Prove Out the System in this information.
  2. Visually inspect for obvious signs of mechanical or electrical damage. Do not disconnect electrical connectors until directed to do so within the pinpoint test.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Damaged Restraints Control Module (RCM) or loose mounting
    • Damaged LH or RH front impact severity sensor(s)
    • Damaged side impact sensor front door and/or C-pillar
    • Damaged or disconnected Passenger Air Bag Deactivation (PAD) indicator
    • Damaged front driver/passenger seat assembly
    • Open Body Control Module (BCM) fuse(s):
      • 36 (10A)
      • 41 (7.5A)
    • Damaged wiring harness
    • Loose, damaged or corroded connectors
    • Circuitry open/shorted
    • Damaged shorting bars
    • Loose, damaged or pinched passenger seat wire harness
  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 , 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 is ON.
    • 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 for one or more modules, REFER to MODULE COMMUNICATIONS NETWORK .
    • If the network test passes, retrieve and record on-demand and Continuous Memory Diagnostic Trouble Codes (CMDTCs) from the RCM and Occupant Classification System Module (OCSM).
  8. If the DTCs retrieved are related to the concern, go to the DTC Charts . For all other DTCs, REFER to MULTIFUNCTION ELECTRONIC MODULES .
  9. If no DTCs related to the concern are retrieved, GO to Symptom Chart .
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