MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Lighting

Headlamps

417-01 Exterior Lighting

2016 MustangReference 5,628 / 6,619HTML edition
← Chapter contentsProcedure contents

Click to display connectors

RH Headlamp

Positive Lead

Measurement / Action

Negative Lead

C1041-1

Ground

Is the resistance greater than 10,000 ohms?

Yes

GO to A6

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).

A6 CHECK THE LOW BEAM POWER SUPPLY CIRCUIT FOR AN OPEN

Measure:

Click to display connectors

LH Headlamp

Positive Lead

Measurement / Action

Negative Lead

C1021-1

C2280G-4

Click to display connectors

RH Headlamp

Positive Lead

Measurement / Action

Negative Lead

C1041-1

C2280G-2

Is the resistance less than 3 ohms?

Yes

GO to A9

No

REPAIR the circuit in question.

A7 CHECK THE HEADLAMP GROUND CIRCUITS FOR AN OPEN

Measure:

Click to display connectors

Source reference 5628

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.