Turn Signal and Hazard Lamps — 2016 workshop reference 5746

C18 CHECK THE EXTERIOR MIRROR TURN LAMP SUPPLY CIRCUIT FOR A SHORT TO GROUND

Ignition OFF. Deactivate the hazard flasher lamp function. Disconnect: Without memory seat, BCM C2280E. Disconnect: With memory seat, DDM C501A (LH exterior mirror lamp). Disconnect: With memory seat, PDM C652A (RH exterior mirror lamp). Measure:

Click to display connectors

LH Exterior Mirror Turn Lamp

Positive Lead	Measurement / Action	Negative Lead
C520-3		Ground

Click to display connectors

RH Exterior Mirror Turn Lamp

Positive Lead	Measurement / Action	Negative Lead
C626-3		Ground

Is the resistance greater than 10,000 ohms?

Yes	GO to C19
No		With memory seat, REPAIR the circuit. Without memory seat, 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 C19

With memory seat, REPAIR the circuit. Without memory seat, 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).

C19 CHECK THE MIRROR TURN LAMP SUPPLY CIRCUIT FOR AN OPEN

Without memory seat, measure:

Click to display connectors

LH Exterior Mirror Turn Lamp

Positive Lead	Measurement / Action	Negative Lead
C520-3		C2280E-26

Click to display connectors

RH Exterior Mirror Turn Lamp

Source reference 5746

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.