Inspection and Verification

WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Verify the customer concern.

Visually inspect for obvious signs of mechanical or electrical damage.

VISUAL INSPECTION CHART

Mechanical	Electrical
Key-in-ignition warning switch (part of ignition switch) Door open warning lamp switch Safety belt warning indicator switch Headlamp	Central junction box (CJB) fuse(s): 1 (10A) 15 (5A) 18 (10A) 21 (15A) 27 (5A) 102 (20A)

If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step.
If the concern is not 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 is correctly installed.
- Check the connections to the vehicle.
- Check the ignition switch position.
If the diagnostic tool still does not communicate with the vehicle, refer to the diagnostic tool operating manual.
Carry out the diagnostic tool data link test. If the diagnostic tool responds with:
- CAN, UBP or ISO circuit fault; all electronic control units no response/not equipped, refer to MODULE COMMUNICATIONS NETWORK .
- No response/not equipped for the instrument cluster, refer to INSTRUMENT CLUSTER to continue diagnosis.
  No response/not equipped for the RCM, refer to SUPPLEMENTAL RESTRAINT SYSTEM .
- System passed, retrieve and record the continuous diagnostic trouble codes (DTCs), erase the continuous DTCs, and carry out self-test diagnostics for the RCM, refer to SUPPLEMENTAL RESTRAINT SYSTEM .
If the DTCs retrieved are related to the concern, go to the INSTRUMENT CLUSTER DIAGNOSTIC TROUBLE CODE (DTC) INDEX . For all other DTCs, refer to MULTIFUNCTION ELECTRONIC MODULES .
If no DTCs related to the concern are retrieved, GO to SYMPTOM CHART .