Component Inspection

Adaptive Front Lighting System

B1592 Head lamp Switch Fault - Component Inspection

Component inspection

Head lamp (LOW) Relay Check
1. Ignition "OFF"
2. Disconnect Multi-function switch connector.
3. Ignition "ON"
4. Measure voltage between Head lamp switch signal terminal of Multi-function switch harness connector and and chassis ground.

Specification : B+




5. Is "voltage" display near the specified value?





Multi-function switch Check
1. Ignition "OFF"
2. Connect Multi-function switch connector.
3. Ignition "ON"
4. Measure voltage for headlamp switch, When switch "ON" and "OFF".

Specification : switch "ON" approx, 0 V, switch "OFF": B+




5. Is "voltage" display near the specified value?