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Inspection and Verification: Notes

WARNING: This page is about a different car, the 2005 Mercury Sable and 2005 Ford Taurus. 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
    • Engine oil level
    • Smart junction box (SJB) fuse(s):
    • Oil pressure gauge
    • Coolant temperature gauge
    • 22 (15A)
    • 32 (10A)
    • Fuel tank
    • 33 (15A)
    • Engine coolant level
    • Bulb(s)
    • Circuitry
    • Instrument cluster
  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. If the concern is visually evident, connect the diagnostic tool to the data link connector (DLC) and select the vehicle to be tested from the diagnostic tool menu. If the diagnostic tool does not communicate with the vehicle:
    • check that the program card or disc is correctly installed.
    • check the connections to the vehicle.
    • check the ignition switch position.
  5. If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
  6. Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
    • CAN circuit fault; all electronic control units no response/not equipped, refer to MODULE COMMUNICATIONS NETWORK .
    • No response/not equipped for the instrument cluster, GO to PINPOINT TEST A .
    • System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs and carry out self-test diagnostics for the instrument cluster.
  7. If the DTCs retrieved are related to the concern, go to the INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) INDEX  to continue diagnostics. For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
  8. If the DTCs retrieved are related to the concern, go to the RESTRAINT CONTROL MODULE (RCM) DIAGNOSTIC TROUBLE CODE (DTC) INDEX  to continue diagnosis.
  9. If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART  to continue diagnosis.
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