C18 CHECK THE HORIZONTAL MOTOR CIRCUIT FOR AN OPEN BETWEEN THE LH (LEFT-HAND) EXTERIOR MIRROR AND THE DDM (DRIVER DOOR MODULE)
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C520-4 | C501B-8 |
Is the resistance less than 3 ohms?
Yes | GO to C23 |
|---|---|
No | REPAIR the circuit. |
C19 CHECK FOR VOLTAGE TO THE VERTICAL MOTOR CIRCUIT AT THE LH (LEFT-HAND) EXTERIOR MIRROR
Ignition OFF. Disconnect: LH Exterior Mirror C520. Connect:
Click to display connectors
Lead 1 | Measurement / Action | Lead 2 |
|---|---|---|
C520-1 | Ground |
Ignition ON. Select the LH mirror on the exterior mirror selection switch. Monitor the test light while pressing the exterior mirror control switch in the up direction.
Does the test light illuminate only when the exterior mirror control switch is pressed in the up direction?
Yes | GO to C24 |
|---|---|
No | If the test light is illuminated when the exterior mirror control switch is not pressed in any direction, GO to C20 If the test light does not illuminate when the exterior mirror control switch is pressed in the up direction, GO to C21 |
C20 CHECK THE VERTICAL MIRROR CIRCUIT FOR A SHORT TO VOLTAGE AT THE LH (LEFT-HAND) EXTERIOR MIRROR
Ignition OFF. Disconnect: DDM C501B. Ignition ON. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C520-1 | Ground |
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.