No | The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues. |
|---|
No Power To The Data Link Connector (DLC)
Normal Operation and Fault Conditions
The diagnostic scan tool is connected to the DLC to communicate with the HS-CAN1 and HS-CAN2. The GWM translates diagnostic messages for the HS-CAN3 and the MS-CAN from the HS-CAN2. A loss of ground or poor ground at the DLC can result in network faults while the diagnostic scan tool is connected.
Possible Sources
Fuse Wiring, terminals or connector DLC Diagnostic scan tool
Visual Inspection and Diagnostic Pre-checks
Verify BCM fuse 13 (7.5A) and fuse 15 (10A) are OK.
PINPOINT TEST AH : NO POWER TO THE DATA LINK CONNECTOR (DLC)
AH1 CHECK THE DLC (DATA LINK CONNECTOR) PINS FOR DAMAGE
Ignition OFF. Disconnect the diagnostic scan tool cable from the DLC. Inspect DLC pins 4, 5 and 16 for damage.
Are DLC pins 4, 5 and 16 OK?
Yes | GO to AH2 |
|---|---|
No | REPAIR the DLC as necessary. |
AH2 CHECK THE DLC (DATA LINK CONNECTOR) VOLTAGE SUPPLY FOR AN OPEN
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C251-16 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to AH4 |
|---|---|
No | GO to AH3 |
AH3 CHECK THE GWM (GATEWAY MODULE A) VOLTAGE SUPPLY FOR AN OPEN
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.