Yamaha FJR1300A(D) - Page 587

ABS (ANTI-LOCK BRAKE SYSTEM)
8-138
ABS_22
Start switch signal is not received prop-
erly (start switch circuit or start switch
monitor circuit).
• Wire harness
• Connection of the relay unit coupler and
ABS ECU coupler.
ABS_23
Brake light signal is not received prop-
erly when main switch is turned to “ON”
(brake light circuit, or front or rear brake
light switch circuit).
• Brake light bulbs
•Brake switch relay
• Brake light relay
• Wire harness and brake light switch circuit
• Brake light system couplers
ABS_24
Brake light signal is not received prop-
erly while vehicle is traveling (brake
light circuit, or front or rear brake light
switch circuit).
• Improper adjustment of the rear brake light
switch
• Brake light switches
•Brake switch relay
• Brake light relay
• Tail/brake light bulbs
• Wire harness (brake light circuit)
• Brake light system couplers
ABS_31
Solenoid relay is defective.
Power is not supplied to the solenoid
relay.
• ABS solenoid fuse
• Wire harness (battery and ABS ECU cir-
cuit)
• Connection of the ABS ECU coupler
• Hydraulic unit assembly
ABS_32
Hydraulic unit solenoid relay is short-
circuited.
• Hydraulic unit assembly
ABS_33
ABS motor is defective.
Power is not supplied to the ABS mo-
tor.
• Battery voltage
• ABS motor fuse
• Wire harness (ABS circuit)
• Connection of the ABS ECU coupler and
starter relay coupler
• Hydraulic unit assembly
ABS_34
Hydraulic unit ABS motor relay is short-
circuited.
• Hydraulic unit assembly
ABS_41
Front wheel will not recover from the
locking tendency even though the sig-
nal is continuously transmitted from the
ABS ECU to release the hydraulic
pressure.
• Brake dragging
• Brake fluid
• Hydraulic unit operation tests
• Front wheel brake lines
• Hydraulic unit assembly
ABS_42
ABS_47
Rear wheel will not recover from the
locking tendency even though the sig-
nal is continuously transmitted from the
ABS ECU to release the hydraulic
pressure.
• Brake dragging
• Brake fluid
• Hydraulic unit operation tests
• Rear wheel brake lines
• Hydraulic unit assembly
ABS_43
Incorrect signal from the front wheel
sensor is detected.
• Installation of the front wheel sensor
• Front wheel sensor housing
• Front wheel sensor rotor
ABS_44
Incorrect signal from the rear wheel
sensor is detected.
• Installation of the rear wheel sensor
• Rear wheel sensor housing
• Rear wheel sensor rotor
Fault
code No.
Symptom Check point