Turn Signal and Hazard Lamps — 2016 workshop reference 5751

D7 CHECK FOR CORRECT FCIM (FRONT CONTROLS INTERFACE MODULE) OPERATION

Disconnect and inspect all FCIM connectors. Repair:

corrosion (install new connector or terminals – clean module pins) damaged or bent pins – install new terminals/pins pushed-out pins – install new pins as necessary

Reconnect the FCIM connectors. Make sure they seat and latch correctly. Operate the system and determine if the concern is still present.

Is the concern still present?

Yes	CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new FCIM. REFER to: Front Controls Interface Module (FCIM) (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Removal and Installation). REFER to: Front Controls Interface Module (FCIM) (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).
No	The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

Yes

CHECK OASIS for any applicable Technical Service Bulletins (TSBs). If a TSB exists for this concern, DISCONTINUE this test and FOLLOW TSB instructions. If no Technical Service Bulletins (TSBs) address this concern, INSTALL a new FCIM.

REFER to: Front Controls Interface Module (FCIM) (415-00A Information and Entertainment System - General Information - Vehicles With: AM/FM/CD/SYNC, Removal and Installation).

REFER to: Front Controls Interface Module (FCIM) (415-00B Information and Entertainment System - General Information - Vehicles With: Touchscreen Display, Removal and Installation).

The system is operating correctly at this time. The concern may have been caused by module connections. ADDRESS the root cause of any connector or pin issues.

DTC B1265:23, B1265:24, B1266:23 And B1266:24

Refer to Wiring Diagrams Cell 90 for schematic and connector information.

Normal Operation and Fault Conditions

REFER to: Exterior Lighting - System Operation and Component Description (417-01 Exterior Lighting, Description and Operation).

DTC Fault Trigger Conditions

Description	Fault Trigger Conditions
B1265:23 Left Rear Turn Lamp Feedback: Signal Stuck Low	A continuous memory and on-demand DTC that sets when the BCM detects a short to ground or open from the LH rear turn lamp outage input circuit.
B1265:24 Left Rear Turn Lamp Feedback: Signal Stuck High	A continuous memory and on-demand DTC that sets when the BCM detects a short to voltage from the LH rear turn lamp outage input circuit.
B1266:23 Right Rear Turn Lamp Feedback: Signal Stuck Low	A continuous memory and on-demand DTC that sets when the BCM detects a short to ground or open from the RH rear turn lamp outage input circuit.
B1266:24 Right Rear Turn Lamp Feedback: Signal Stuck High	A continuous memory and on-demand DTC that sets when the BCM detects a short to voltage from the RH rear turn lamp outage input circuit.

DTC

Source reference 5751

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.