Both high-beam headlights do not light up
Precautions: Precautions for Headlight Auto Leveling System Service · Precautions for Body, Cab and Accessories · General safety (00)
| Condition | Possible Cause | Action |
|---|---|---|
|
Both high-beam headlights do not light up
|
Blown bulbs
|
Replace bulbs.
|
|
Faulty lighting and turn signal switch
|
||
|
Faulty system circuit (including relay and fuses)
|
Repair circuit and replace relay and/or fuse.
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