Collision Warning and Collision Avoidance System — 2016 workshop reference 6145

Turn off all the interior/exterior lights and accessories. Start and run the engine at approximately 2,000 rpm for 3 minutes while monitoring the battery voltage.

Does the battery voltage rise to 15.5 volts or higher?

Yes	For 2.3L, REFER to: Charging System - 2.3L EcoBoost (201kW/273PS) (414-00 Charging System - General Information, Diagnosis and Testing). For 3.7L, REFER to: Charging System - 3.7L Duratec (227kW/301PS) (414-00 Charging System - General Information, Diagnosis and Testing). For 5.0L, REFER to: Charging System - 5.0L 32V Ti-VCT (414-00 Charging System - General Information, Diagnosis and Testing).
No	GO to H3

H3 RECHECK FOR DTC (DIAGNOSTIC TROUBLE CODE) U3003:1C

Ignition OFF. Ignition ON. Clear the HUD module Continuous Memory Diagnostic Trouble Codes (CMDTCs). Using a diagnostic scan tool, perform the HUD module self-test.

Is DTC U3003:1C present?

Yes	GO to H4
No	The system is operating normally at this time. The DTC may have been set previously during battery charging or while jump starting the vehicle.

H4 CHECK FOR CORRECT HUD (HEAD UP DISPLAY) OPERATION

Ignition OFF. Disconnect and inspect HUD module connector. 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 HUD module connector. Make sure it seats and latches 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 HUD module. REFER to: Head Up Display (HUD) Module (419-03C Collision Warning and Collision Avoidance System, 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.

Source reference 6145

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.