Turn Signal and Hazard Lamps — 2016 workshop reference 5743

C13 CHECK THE REAR TURN LAMP SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Deactivate the hazard flasher lamp function. Disconnect: BCM C2280E. Measure:

Click to display connectors

LH Rear Turn Lamp

Positive Lead	Measurement / Action	Negative Lead
C412-3		Ground

Click to display connectors

RH Rear Turn Lamp

Positive Lead	Measurement / Action	Negative Lead
C415-3		Ground

Is the resistance greater than 10,000 ohms?

Yes	GO to C14
No	REPAIR the circuit. After the repair: If no Diagnostic Trouble Codes (DTCs) are present, TEST the system for normal operation. If DTC U1000:00 is present, CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present). If DTC U3000:49 is present, Click here to access Guided Routine (BCM).

Yes

GO to C14

REPAIR the circuit. After the repair: If no Diagnostic Trouble Codes (DTCs) are present, TEST the system for normal operation. If DTC U1000:00 is present, CLEAR the Diagnostic Trouble Codes (DTCs) and REPEAT the self-test (required to enable the lamp output driver if DTC U1000:00 is present).

If DTC U3000:49 is present, Click here to access Guided Routine (BCM).

C14 CHECK THE REAR TURN LAMP SUPPLY CIRCUIT FOR AN OPEN

Measure:

Click to display connectors

LH Rear Turn Lamp

Positive Lead	Measurement / Action	Negative Lead
C412-3		C2280E-26

Click to display connectors

RH Rear Turn Lamp

Positive Lead	Measurement / Action	Negative Lead

Source reference 5743

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.