PINPOINT TEST L : THE FRONT CONTROL/DISPLAY INTERTACE MODULE (FCDIM) DOES NOT
RESPOND TO THE DIAGNOSTIC SCAN TOOL
L1 CHECK THE FCDIM (FRONT CONTROL/DISPLAY INTERFACE MODULE) VOLTAGE SUPPLY CIRCUIT FOR AN OPEN
Ignition OFF. Disconnect: FCDIM C2123. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2123-1 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to L2 |
|---|---|
No | VERIFY the BCM fuse 32 (10A) is OK. If OK, REPAIR the circuit. If not OK, REFER to the Wiring Diagrams manual to identify the possible causes of the circuit short. |
L2 CHECK THE FCDIM (FRONT CONTROL/DISPLAY INTERFACE MODULE) GROUND CIRCUIT FOR AN OPEN
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2123-9 | Ground |
Is the resistance less than 3 ohms?
Yes | GO to L3 |
|---|---|
No | REPAIR the circuit. |
L3 CHECK THE HS-CAN3 (HIGH SPEED-CONTROLLER AREA NETWORK 3) CIRCUITS BETWEEN THE FCDIM (FRONT CONTROL/DISPLAY INTERFACE MODULE) AND THE GWM (GATEWAY MODULE A) FOR AN OPEN
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C2123-4 | C2431-16 | |
C2123-5 | C2431-15 |
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.