Yamaha YZF-R1B 2012 Service Manual page 423

Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
The fuel level warning light fails to come on.
1. Check the fuel sender.
Refer to "CHECKING THE FUEL
SENDER" on page 8-141.
OK↓
2. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK↓
Replace the meter assembly.
The coolant temperature warning light fails to come on.
1. Check the coolant temperature
sensor.
Refer to "CHECKING THE COOL-
ANT TEMPERATURE SENSOR"
on page 8-142.
OK↓
2. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK↓
Replace the ECU or meter assembly.
The speedometer fails to operate.
1. Check the rear speed sensor.
Refer to "CHECKING THE REAR
SPEED SENSOR" on page 8-141.
OK↓
2. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-21.
OK↓
Replace the ECU or meter assembly.
email: info@motomatrix.co.uk
SIGNALING SYSTEM
NG→
Replace the fuel pump assembly.
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the coolant temperature sen-
sor.
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the rear speed sensor.
NG→
Properly connect or repair the signal-
ing system's wiring.
8-26