MAMUSTANG ATLASTHE ENTHUSIAST'S REFERENCE

2016 workshop · Lighting

Turn Signal and Hazard Lamps

417-01 Exterior Lighting

2016 MustangReference 5,724 / 6,619HTML edition
← Chapter contentsProcedure contents

B2 CHECK THE FRONT TURN LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE

Ignition OFF. Deactivate the hazard lamp function. Disconnect: BCM C2280F. Ignition ON.

Does the turn lamp in question continue to illuminate?

Yes

REPAIR the affected circuit.

No

GO to B18

B3 CHECK THE EXTERIOR MIRROR TURN LAMP OR HOOD TURN SIGNAL LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE (WITHOUT MEMORY SEAT)

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

Does the turn lamp in question continue to illuminate?

Yes

REPAIR the affected circuit.

No

GO to B18

B4 CHECK THE EXTERIOR MIRROR TURN LAMP VOLTAGE SUPPLY CIRCUIT FOR A SHORT TO VOLTAGE (WITH MEMORY SEAT)

Ignition OFF. Deactivate the hazard lamp function. Disconnect: DDM C501A (LH exterior mirror lamp). Disconnect: PDM C652A ( RH exterior mirror lamp). Ignition ON.

Does the turn lamp in question continue to illuminate?

Yes

REPAIR the affected circuit.

No

For the LH exterior mirror turn lamp, GO to B19 For the RH exterior mirror turn lamp, GO to B20

B5 CHECK FOR VOLTAGE TO THE FRONT TURN LAMP

Ignition OFF. Deactivate the hazard lamp function. Disconnect: LH Side Turn Signal Lamp C156 or RH Side Turn Signal Lamp C1042. Ignition ON. Activate the hazard flasher lamp function. Measure:

Click to display connectors

LH Turn Lamp

Positive Lead

Measurement / Action

Negative Lead

C156-3

Ground

Source reference 5724

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.