Is the voltage greater than 11 volts?
Yes | GO to J2 |
|---|---|
No | VERIFY BCM fuse 28 (20A) or fuse 36 (15A) 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. |
J2 CHECK THE BODY CONTROL MODULE B (BCMB) GROUND CIRCUIT FOR AN OPEN
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4368A-13 | Ground |
Is the resistance less than 3 ohms?
Yes | GO to J3 |
|---|---|
No | REPAIR the circuit. |
J3 CHECK THE MS-CAN (MEDIUM SPEED-CONTROLLER AREA NETWORK) CIRCUITS BETWEEN THE BODY CONTROL MODULE B (BCMB) AND THE GWM (GATEWAY MODULE A) FOR AN OPEN
Disconnect: GWM C2431. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4368A-11 | C2431-23 | |
C4368A-23 | C2431-22 |
Are the resistances less than 3 ohms?
Yes | GO to J4 |
|---|---|
No | REPAIR the circuit in question. |
J4 CHECK FOR CORRECT BODY CONTROL MODULE B (BCMB) OPERATION
Ignition OFF. Disconnect and inspect the Body Control Module B (BCMB) connector and related in-line connectors. Repair:
corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins pushed-out pins - install new pins as necessary
Reconnect the Body Control Module B (BCMB) connector and related in-line connectors. Make sure they seat and latch correctly.
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.