PINPOINT TEST U : THE DRIVER DOOR MODULE (DDM) DOES NOT RESPOND TO THE DIAGNOSTIC
SCAN TOOL
U1 CHECK THE DDM (DRIVER DOOR MODULE) VOLTAGE SUPPLY CIRCUITS FOR AN OPEN
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C501A-1 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to U2 |
|---|---|
No | VERIFY the BJB fuse 11 (30A) 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. |
U2 CHECK THE DDM (DRIVER DOOR MODULE) GROUND CIRCUIT FOR AN OPEN
Ignition OFF. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C501A-2 | Ground |
Is the resistance less than 3 ohms?
Yes | GO to U3 |
|---|---|
No | REPAIR the circuit. |
U3 CHECK THE MS-CAN (MEDIUM SPEED-CONTROLLER AREA NETWORK) CIRCUITS BETWEEN THE DDM (DRIVER DOOR MODULE) AND THE GWM (GATEWAY MODULE A) FOR AN OPEN
Disconnect: GWM C2431. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C501A-7 | C2431-23 | |
C501A-6 | C2431-22 |
Are the resistances less than 3 ohms?
Yes | GO to U4 |
|---|---|
No | REPAIR the circuit in question. |
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.