R025D)
NOTICE: The following step uses a test lamp to simulate normal circuit loads. To avoid connector terminal damage, use the Rotunda Flex Probe kit for the test lamp probe connection to the vehicle. Do not use the test lamp probe directly on any connector.
C1 CHECK THE DDM (DRIVER DOOR MODULE) DIAGNOSTIC TROUBLE CODES (DTCS)
Ignition ON. Using a diagnostic scan tool, perform the DDM self-test.
Are any Diagnostic Trouble Codes (DTCs) present?
Yes | For Diagnostic Trouble Codes (DTCs) B1C09:11 or B1C09:15, GO to C15 For Diagnostic Trouble Codes (DTCs) B1C10:11 or B1C10:15, GO to C19 For Diagnostic Trouble Codes (DTCs) B1C13:11, B1C13:15, B1C14:11, B1C14:15, C1B15:11, or C1B15:15, GO to C8 For all other DDM Diagnostic Trouble Codes (DTCs), REFER to: Locks, Latches and Entry Systems (501-14 Handles, Locks, Latches and Entry Systems, Diagnosis and Testing). |
|---|---|
No | GO to C2 |
C2 CHECK THE EXTERIOR MIRROR SELECTION SWITCH
Using a diagnostic scan tool, monitor the MIR_SEL DDM Parameter Identification (PID). Operate the exterior mirror selection buttons to select the LH and then RH exterior mirrors.
Does the MIR_SEL DDM Parameter Identification (PID) match the selector switch in both positions?
Yes | GO to C3 |
|---|---|
No | INSTALL a new front door window control switch. REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation). |
C3 CHECK THE EXTERIOR MIRROR CONTROL SWITCH
Using a diagnostic scan tool, monitor the MIR_SW_DN, MIR_SW_UP, MIR_SW_L, and MIR_SW_R DDM Parameter Identifications (PIDs). Press the exterior mirror control switch in the left, right, up and down directions.
Do the DDM Parameter Identifications (PIDs) match the control switch in all directions?
Yes | GO to C4 |
|---|---|
No | INSTALL a new front door window control switch. REFER to: Front Door Window Control Switch (501-11 Glass, Frames and Mechanisms, Removal and Installation). |
C4 CHECK THE LH (LEFT-HAND) MIRROR COMMON CIRCUIT FOR VOLTAGE AT THE LH (LEFT-HAND) EXTERIOR MIRROR
Ignition OFF. Disconnect: LH Exterior Mirror C520. Connect:
Click to display connectors
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.