Yamaha TMAX XP530E-A 2017 Service Manual page 565

Fault code
No.
24 Brake light switch or
tail/brake light
31 Hydraulic unit assembly
(abnormal ABS solenoid
power supply)
32 Hydraulic unit assembly
(short circuit in ABS solenoid
power supply circuit)
33 Hydraulic unit assembly
(abnormal ABS motor power
supply)
34 Hydraulic unit assembly
(short circuit in ABS motor
power supply circuit)
41 Front wheel ABS (intermit-
tent wheel speed pulses or
incorrect depressurization)
Item
Brake light signal is not
received properly while the
vehicle is traveling. (Brake
light circuit, or front or rear
brake light switch circuit.)
Power is not supplied to the
solenoid circuit in the
hydraulic unit assembly.
Short circuit is detected in
the solenoid power supply
circuit in the hydraulic unit
assembly.
Power is not supplied to the
motor circuit in the hydraulic
unit assembly.
Short circuit is detected in
the motor power supply cir-
cuit in the hydraulic unit
assembly.
• Pulses from the front wheel
sensor are received inter-
mittently while the vehicle
is traveling.
• Front wheel will not recover
from the locking tendency
even though the signal is
transmitted from the ABS
ECU to reduce the hydrau-
lic pressure.
8-174
ABS (Anti-lock Brake System)
Symptom
• Defective signaling system
• Defective coupler between
• Open or short circuit in the
• Defective hydraulic unit
• Blown ABS solenoid fuse
• Defective coupler between
• Open or short circuit in the
• Defective hydraulic unit
• Defective hydraulic unit
• Blown ABS motor fuse
• Defective coupler between
• Open or short circuit in the
• Defective hydraulic unit
• Defective hydraulic unit
• Incorrect installation of the
• Incorrect rotation of the
• Front brake dragging
• Defective hydraulic unit
Check point
(tail/brake light or brake
light switch)
the signaling system
(tail/brake light or brake
light switch) and the
hydraulic unit assembly
wire harness between the
signaling system (tail/brake
light or brake light switch)
and the hydraulic unit
assembly
assembly
the battery and the hydrau-
lic unit assembly
wire harness between the
battery and the hydraulic
unit assembly
assembly
assembly
the battery and the hydrau-
lic unit assembly
wire harness between the
battery and the hydraulic
unit assembly
assembly
assembly
front wheel sensor
front wheel
assembly