Yamaha ROADLINER XV19SW, Service Manual

Page: 369 / 444

SIGNALING SYSTEM
7-25
NG
→
OK
↓
The neutral indicator light fails to come on.
NG
→
OK
↓
NG
→
OK
↓
NG
→
OK
↓
The fuel level gauge fails to operate.
NG
→
OK
↓
NG
→
OK
↓
The fuel level warning light fails to come on.
NG
→
OK
↓
4. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 7-21. Properly connect or repair the signaling
system wiring.
This circuit is OK.
1. Check the neutral switch.
Refer to “CHECKING THE
SWITCHES” on page 7-71. Replace the neutral switch.
2. Check the relay unit (diode).
Refer to “CHECKING THE DI-
ODES” on page 7-81. Replace the relay unit.
3. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 7-21. Properly connect or repair the signaling
system wiring.
This circuit is OK.
1. Check the fuel sender (fuel tank).
Refer to “CHECKING THE FUEL
SENDER (FUEL TANK)” on page
7-87.
Replace the fuel sender.
2. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 7-21. Properly connect or repair the signaling
system wiring.
Replace the meter assembly.
1. Check the fuel level warning light.
Refer to “CHECKING THE FUEL
LEVEL WARNING LIGHT” on page
7-88. Replace the meter assembly or fuel pump
assembly.