Pinpoint Test A : U3003:16: Notes
WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.
Refer to Vehicle Dynamic Systems for schematic and connector information.
Normal Operation and Fault Conditions
The GFM2 requires an operating voltage between 9 and 16 volts. The GFM2 receives this voltage from the RJB. The GFM2 has a single ground circuit. Excessive resistance or an open in one or more of these circuits, a discharged battery or a inoperative charging system results in the GFM2 setting a DTC.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| U3006:16 | Control Module Input Power "A" Circuit/Open: Circuit Voltage Below Threshold | This DTC sets in continuous memory and on-demand if the voltage supplied to the GFM2 falls below 10 volts for more than 2 seconds. |
Possible Sources
- Fuses
- Wiring, terminals or connectors
- GFM2
Visual Inspection and Diagnostic Pre-checks
- Make sure the vehicle battery terminals and cables are free of any corrosion and other contaminants.
- Make sure the vehicle battery terminals are tightened to their correct torque specifications.
- Make sure RJB fuse 39 (15A) is OK.