MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Body & Paint

Active Grille Shutter

501-02 Front End Body Panels

2016 MustangReference 794 / 6,619HTML edition
← Chapter contentsProcedure contents

caused by debris/obstruction or the grille shutter actuator electrical connector. INSPECT the electrical connector and REPAIR or REPLACE as necessary.

No

GO to A8

A8 CHECK THE GRILLE SHUTTER FOR OBSTRUCTIONS AND/OR MECHANICAL BINDING CONCERNS

Ignition OFF. Remove the grille shutter actuator. Manually open and close the grille shutter, removing any obstructions which can inhibit operation of the grille shutter or linkage. The grille shutter should open and close easily with no binding.

Does the grille shutter operate freely with no binding or obstruction?

Yes

GO to A9

No

REPAIR the binding/obstruction, or if necessary, INSTALL a new grille shutter assembly. REFER to: Active Grille Shutter (501-02 Front End Body Panels, Removal and Installation).

A9 CHECK FOR CORRECT GRILLE SHUTTER ACTUATOR OPERATION

Ignition OFF. Disconnect: Grille Shutter Actuator C1651 (if not previously disconnected). Inspect the grille shutter actuator electrical connector and jumper harness. Repair:

corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins as necessary pushed-out pins - install new pins as necessary

Reconnect the grille shutter actuator connector, jumper harness and all previously disconnected system connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.

Is the concern still present?

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new grille shutter actuator. REFER to: Active Grille Shutter Actuator (501-02 Front End Body Panels, Removal and Installation).

No

The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

A10 CHECK FOR THE CORRECT GRILLE SHUTTER ACTUATOR OPERATION

Inspect the grille shutter actuator and PCM electrical connectors. Repair:

corrosion (install new connector or terminals - clean module pins) damaged or bent pins - install new terminals/pins as necessary pushed-out pins - install new pins as necessary

Reconnect the grille shutter actuator connector, jumper harness and all previously disconnected system connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.

Is the concern still present?

Source reference 794

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.