Turn Signal And Hazard Warning Light Symptom Diagnosis
TURN SIGNAL AND HAZARD WARNING LIGHT SYMPTOM DIAGNOSIS
| Condition | Possible Cause | Action |
|---|---|---|
| Flash rate high or one side only flashes | Bulb blown on "flash rate high"side | Replace bulb . |
| Incorrect bulb | Replace bulb . | |
| Turn signal/hazard warning relay faulty | Check turn signal/hazard warning relay referring to TURN SIGNAL AND HAZARD WARNING RELAY INSPECTION . | |
| Open circuit or high resistance existing either; between turn signal switch and non lighting bulb, or between hazard warning switch and non lighting bulb | Repair circuit . | |
| Wiring or grounding faulty | Repair circuit . | |
| No flashing
NOTE:
|
Circuit fuse(s) blown | Replace fuse(s) and check for short circuit . |
| Turn signal/hazard warning relay faulty | Check turn signal/hazard warning relay referring to TURN SIGNAL AND HAZARD WARNING RELAY INSPECTION . | |
| Turn signal light switch faulty | Check turn signal light switch referring to TURN SIGNAL LIGHT SWITCH (IN LIGHTING SWITCH) INSPECTION . | |
| Hazard warning switch faulty | Check hazard warning switch referring to HAZARD WARNING SWITCH INSPECTION . | |
| Open circuit or high resistance existing between battery and switch | Repair circuit . | |
| Wiring or grounding faulty | Repair circuit . | |
| BCM faulty | Replace after making sure that none of above parts is faulty . | |
| Flash rate low | Supply voltage low | Check charging system . |
| Turn signal/hazard warning relay faulty | Check turn signal/hazard warning relay referring to TURN SIGNAL AND HAZARD WARNING RELAY INSPECTION . |