Condition | Possible Sources | Actions |
|---|---|---|
The autolamps are on continuously | Refer to the Pinpoint Test | GO to Pinpoint Test B |
Pinpoint Tests
The Autolamps Are Inoperative
Refer to Wiring Diagrams Cell 85 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).
Possible Sources
Headlamp concern Autolamp and rain sensor or sunload sensor BCM
PINPOINT TEST A : THE AUTOLAMPS ARE INOPERATIVE
A1 CHECK THE MANUAL HEADLAMP OPERATION
Place the headlamp switch in the HEADLAMPS and then OFF positions.
Do the headlamps operate correctly?
Yes | GO to A2 | |
|---|---|---|
No | REFER to: Headlamps (417-01 Exterior Lighting, Diagnosis and Testing). | |
A2 CHECK FOR VOLTAGE TO THE LIGHT SENSOR
Ignition OFF. Disconnect: Autolamp and Rain Sensor C287 (EMTC). Disconnect: Sunload Sensor C286 (DATC). Ignition ON. Place the headlamp switch in the AUTOLAMPS position. Measure:
Click to display connectors
Vehicles With EMTC
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C287-2 | Ground |
Click to display connectors
Vehicles With DATC
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.