Yamaha Tenere 700 2020, Service Manual

Page: 336 / 472

SIGNALING SYSTEM
8-25
The speedometer fails to operate.
NG
→
OK
↓
NG
→
OK
↓
TIP
Replace the wire harness if there is an open or short circuit.
• Between front wheel sensor coupler and ABS ECU coupler.
(white–white)
(black–black)
• Between ABS ECU coupler and meter assembly coupler.
(blue/black–blue/black)
(blue/red–blue/red)
The tachometer fails to operate.
NG
→
OK
↓
NG
→
OK
↓
1. Check the front wheel sensor.
Refer to “MAINTENANCE OF THE
FRONT WHEEL SENSOR AND
SENSOR ROTOR” on page 4-14.
Replace the front wheel sensor.
2. Check the entire front wheel sensor
wiring.
See TIP.
Properly connect or replace the wiring har-
ness.
Replace the ECU, ABS ECU, or meter
assembly. Refer to “REPLACING THE
ECU (engine control unit)” on page
8-130.
1. Check the crankshaft position sen-
sor.
Refer to “CHECKING THE CRANK-
SHAFT POSITION SENSOR” on
page 8-135.
Replace the starter coil assembly.
2. Check the entire signaling system
wiring.
Refer to “CIRCUIT DIAGRAM” on
page 8-19. Properly connect or replace the wire har-
ness.
Replace the ECU or meter assembly.
Refer to “REPLACING THE ECU (en-
gine control unit)” on page 8-130.