Yamaha FZ1-N Service Manual page 344

8 Check the headlight relay (on/off).
Refer to "CHECKING THE
RELAYS" on page 8-100.
OK↓
9 Check the headlight relay (dimmer)
(FZ1-S).
Refer to "CHECKING THE
RELAYS" on page 8-100.
OK↓
10 Check the entire lighting system's
wiring.
Refer to "CIRCUIT DIAGRAM
(FZ1-N)" on page 8-15.
OK↓
This circuit is OK.
NG→
Replace the headlight relay.
NG→
Replace the headlight relay.
NG→
Properly connect or repair the lighting
system's wiring.
8-20
LIGHTING SYSTEM