Symptom Chart: Turn Signal and Hazard Lamps
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
| Condition | Possible Sources | Actions |
|---|---|---|
| A module does not respond to the scan tool | Fuse Wiring, terminals or connectors Module |
Refer to: Communications Network . |
| The turn signal function is inoperative | Refer to the Pinpoint Test | Go to PINPOINT TEST A |
| The turn signal function is always on | Multifunction switch SCCM |
INSTALL a new LH steering column multifunction switch. Refer to: Steering Column Multifunction Switch LH . TEST the system for normal operation. If the concern still exists, INSTALL a new SCCM. Refer to: Steering Column Control Module (SCCM) . |
| One front turn signal lamp is inoperative or always on - halogen headlamps | Refer to the Pinpoint Test | Go to PINPOINT TEST B |
| One front turn signal lamp is inoperative or always on - LED headlamps | Refer to the Pinpoint Test | Go to PINPOINT TEST C |
| One rear turn signal lamp is inoperative or always on | Refer to the Pinpoint Test | Go to PINPOINT TEST D |
| One exterior mirror turn signal lamp is inoperative or always on | Refer to the Pinpoint Test | Go to PINPOINT TEST E |
| The front turn signal indicator flashes fast when no turn signal lamps are inoperative or does not flash fast when a turn signal lamp is inoperative - LED headlamps | Refer to the Pinpoint Test | Go to PINPOINT TEST G |
| The rear turn signal indicator flashes fast when no turn signal lamps are inoperative or does not flash fast when a turn signal lamp is inoperative | Refer to the Pinpoint Test | Go to PINPOINT TEST H |
| The hazard lamp function is inoperative or always on | Refer to the Pinpoint Test | Go to PINPOINT TEST F |