Measure the voltage between headlamp switch C205 Pin B2, Circuit 195 (TN/WH), harness side and ground.
Is the voltage greater than 10 volts?
Yes
GO to L2.
No
REPAIR the circuit. TEST the system for normal operation
Measure the resistance between headlamp switch C205 Pin R, Circuit 14 (BN), harness side and ground.
Is the resistance less than 5 ohms?
Yes
INSTALL a new headlamp switch. REFER to Lamp Switch — Headlamp. TEST the system for normal operation.
No
REPAIR the circuit. TEST the system for normal operation.