MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Lighting

Turn Signal and Hazard Lamps

417-01 Exterior Lighting

2016 MustangReference 5,725 / 6,619HTML edition
← Chapter contentsProcedure contents

Click to display connectors

RH Turn Lamp

Positive Lead

Measurement / Action

Negative Lead

C1042-3

Ground

Does the voltage alternate from 0 to greater than 11 volts?

Yes

GO to B7

No

GO to B6

B6 REPEAT THE ON-DEMAND SELF-TEST AND CHECK FOR VOLTAGE TO THE FRONT TURN LAMP

Deactivate the hazard lamp function. Using a diagnostic scan tool, perform the BCM self-test. Clear the Diagnostic Trouble Codes (DTCs) and repeat the self-test (required to enable the lamp output driver if DTC U1000:00 is present). Activate the hazard flasher lamp function. Measure:

Click to display connectors

LH Turn Lamp

Positive Lead

Measurement / Action

Negative Lead

C156-3

Ground

Click to display connectors

RH Turn Lamp

Positive Lead

Measurement / Action

Negative Lead

C1042-3

Ground

Does the voltage alternate from 0 to greater than 11 volts?

Yes

INSTALL a new front turn signal bulb. REFER to: Front Turn Signal Lamp Bulb (417-01 Exterior Lighting, Removal and Installation).

No

GO to B8

B7 CHECK THE FRONT TURN LAMP GROUND CIRCUIT FOR AN OPEN

Source reference 5725

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.