Symptom Chart(s)
Diagnostics in this article assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to: Diagnostic Methods .
Symptom Chart: Turn Signal and Hazard Lamps
Symptom Chart
| 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 INOPERATIVE |
| 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 turn signal lamp is inoperative or always on | Refer to the Pinpoint Test | GO to PINPOINT TEST B : ONE TURN SIGNAL LAMP IS INOPERATIVE OR ALWAYS ON |
| The 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 D : THE TURN SIGNAL INDICATOR FLASHES FAST WHEN NO TURN SIGNAL LAMPS ARE INOPERATIVE OR DOES NOT FLASH FAST WHEN A TURN SIGNAL LAMP IS INOPERATIVE |
| The hazard lamp function is inoperative or always on | Refer to the Pinpoint Test | GO to PINPOINT TEST C : THE HAZARD LAMP FUNCTION IS INOPERATIVE OR ALWAYS ON |