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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Rear View Mirror - F150) >> Diagnosis And Testing >> Rear View Mirrors - Exterior >> 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.
NOTE: Clean the entire mirror assembly and glass to assist in verification of impact damage.
  1. Verify the customer concern by operating the power exterior mirrors or memory mirrors.
  2. Visually inspect for obvious signs of mechanical and electrical damage.
    VISUAL INSPECTION CHART

    Mechanical Electrical
    • Exterior mirror
    • Exterior mirror control switch
    • Exterior mirror glass
    • Exterior mirror cover
    • Body Control Module (BCM) fuses:
      • 7 (7.5A)
      • 15 (15A)
    • Battery Junction Box (BJB) fuses:
      • 32 (40A)
      • 56 (10A)
    • Driver Seat Module (DSM)
    • Exterior mirror control switch
    • Exterior mirror motor
    • Exterior mirror
    • Exterior mirror glass
    • Rear window defrost relay
    • HVAC - Dual Automatic Temperature Control (DATC) Module
    • HVAC - Electronic Manual Temperature Control (EMTC) Module
    • Loose or corroded connections
    • Wiring 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.
  5. If the cause is not visually evident, connect the scan tool to the Data Link Connector (DLC).
  6. NOTE: The LED prove-out confirms power and ground from the are provided to the DLC.
  7. If the scan tool does not communicate with the Vehicle Communication Module (VCM):
    • check the 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.
  8. 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 DSM.
  9. 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, proceed with module self-test diagnostics.
  10. Carry out the self-test diagnostics for the BCM, and DSM.
  11. If the DTCs retrieved are related to the concern, go to DTC Charts .
  12. If no DTCs related to the concern are retrieved, GO to Symptom Chart .
  13. If no DTCs related to the concern are retrieved, GO to Symptom Chart - Exterior Mirrors  or Symptom Chart - NVH .