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 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 |
| 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 hazard lamp function is inoperative or always on | Refer to the Pinpoint Test | GO to Pinpoint Test C |