MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Rear View Mirrors

501-09 Rear View Mirrors

2016 MustangReference 925 / 6,619HTML edition
← Chapter contentsProcedure contents

Is any voltage present?

Yes

REPAIR the circuit.

No

GO to C23

C21 CHECK THE VERTICAL MOTOR CIRCUIT FOR A SHORT TO GROUND AT THE LH (LEFT-HAND) EXTERIOR MIRROR

Ignition OFF. Disconnect: DDM C501B. Measure:

Click to display connectors

Positive Lead

Measurement / Action

Negative Lead

C520-1

Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to C22

No

REPAIR the circuit.

C22 CHECK THE VERTICAL 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

C520-1

C501B-7

Is the resistance less than 3 ohms?

Yes

GO to C23

No

REPAIR the circuit.

C23 CHECK FOR CORRECT DDM (DRIVER DOOR MODULE) OPERATION

Disconnect and inspect all DDM 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 DDM connectors and all previously disconnected exterior mirror system connectors. Make sure they seat and latch correctly. Operate the system to determine if the concern is still present.

Is the concern still present?

Source reference 925

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.