Yamaha FJR13AY 2009 Service Manual page 620

• If there is no continuity, the front cowling wire harness or the wire harness is defective. Properly re-
pair or replace the defective harness.
6. The meter assembly circuit is defective.
• Disconnect the ABS ECU coupler.
• The green/red terminal of the ABS ECU coupler is short-circuited to the ground.
• Turn the main switch to "ON", and then check the ABS warning light.
• If the ABS warning light is on, the internal circuit of the meter assembly is defective. Replace the
meter assembly.
• If the ABS warning light does not come on, the ABS ECU is defective. Replace the hydraulic unit
assembly.
7. The hydraulic unit assembly is defective.
ET3P6D015
[C-4] THE ABS WARNING LIGHT FLASHES
1. Check whether the T/C terminal (sky blue) of the ABS test coupler is short-circuited to the ground
when the test coupler adapter is removed.
• If the T/C terminal is short-circuited to the ground, the wire harness is defective. Properly repair or
replace the wire harness.
• If the T/C terminal is not short-circuited to the ground, the internal circuit of the meter assembly is
defective. Replace the meter assembly.
ET3P6D016
[C-5] DIAGNOSIS USING THE FAULT CODES
Connect the test coupler adapter to the ABS test coupler, and then turn the main switch to "ON".
Information for the fault codes from the ABS ECU is contained in the following table. Refer to this table
for troubleshooting.
TIP
Record all of the fault codes displayed and inspect the check points.
Fault code table
Fault
code No.
AbS_11* Front wheel sensor signal is not re-
AbS_25* ceived properly.
Rear wheel sensor signal is not re-
AbS_12
ceived properly.
AbS_13 Incorrect signal from the front wheel
AbS_26 sensor is detected.
AbS_14 Incorrect signal from the rear wheel
AbS_27 sensor is detected.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom
8-137
Check point
• Installation of the front wheel sensor
• Front wheel
• Front wheel sensor housing
• Front wheel sensor rotor
• Installation of the rear wheel sensor
• Rear wheel
• Rear wheel sensor housing
• Rear wheel sensor rotor
• Installation of the front wheel sensor
• Front wheel
• Front wheel sensor housing
• Front wheel sensor rotor
• Hydraulic unit assembly
• Installation of the rear wheel sensor
• Rear wheel
• Rear wheel sensor housing
• Rear wheel sensor rotor
• Hydraulic unit assembly