Yamaha 2012 TMAX XP500A Service Manual page 398

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5. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK↓
Replace the meter assembly.
The fuel meter fails to operate.
1. Check the fuel sender.
Refer to "CHECKING THE FUEL
SENDER" on page 8-138.
OK↓
2. Check the entire signaling system's
wiring.
Refer to "CIRCUIT DIAGRAM" on
page 8-19.
OK↓
Replace the meter assembly.
The speedometer/V-belt replacement indicator/oil change indicator fails to operate.
1. Check the front wheel sensor.
Refer to "MAINTENANCE OF THE
FRONT WHEEL SENSOR AND
SENSOR ROTOR" on page 4-21.
OK↓
2. Check the entire wheel sensor wir-
ing.
Refer to TIP.
OK↓
Replace the hydraulic unit assembly,
ECU (engine control unit) or meter
assembly.
TIP
Repair or replace 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 ECU (engine control unit) coupler.
(White–White)
• Between ECU coupler and meter assembly coupler.
(Yellow/blue–Yellow/blue)
SIGNALING SYSTEM
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the fuel pump assembly.
NG→
Properly connect or repair the signal-
ing system's wiring.
NG→
Replace the front wheel sensor.
NG→
Properly connect or repair the wheel
sensor wiring.
8-23

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