ABS (ANTI-LOCK BRAKE SYSTEM)
8-137
Malfunction code 24 (Brake light is defective.)
1. Wire harness and ABS wire harness
• Check the entire anti-lock brake system wiring.
Refer to “CIRCUIT DIAGRAM (1/2)” on page 8-111 and “CIRCUIT DIAGRAM (2/2)” on page 8-113.
2. Brake light relay
• Check the brake light relay.
Refer to “CHECKING THE RELAYS” on page 8-157.
3. Wire harness and ABS wire harness
• Check the brake light monitor circuit.
• Check the yellow/green lead for continuity between “1” and “2” of the brake light monitor circuit.
Malfunction code 25 (No signal is received from the front wheel sensor when the vehicle starts
moving.)
1. If any of the following conditions have occurred, malfunction codes (past malfunctions) will be stored
in the memory of the ABS ECU, but the ABS has not malfunctioned. Delete the malfunction codes.
• The rear wheel was rotated with the vehicle on the centerstand.
• The rear wheel raced.
• The vehicle was ridden on the rear wheel with the front wheel elevated.
2. The front wheel sensor is not properly installed.
• Check that the front wheel sensor is properly installed in the housing.
Refer to “MAINTENANCE OF THE FRONT WHEEL SENSOR AND SENSOR ROTOR” on page
4-16 and “INSTALLING THE FRONT WHEEL (FRONT BRAKE DISCS)” on page 4-18.
• Check if there is looseness between the housing and the wheel.
Refer to “MAINTENANCE OF THE FRONT WHEEL SENSOR AND SENSOR ROTOR” on page
4-16 and “INSTALLING THE FRONT WHEEL (FRONT BRAKE DISCS)” on page 4-18.
3. Front wheel sensor circuit is short-circuited.
• Front wheel sensor or lead is short-circuited.
Refer to “MAINTENANCE OF THE FRONT WHEEL SENSOR AND SENSOR ROTOR” on page
4-16 and “INSTALLING THE FRONT WHEEL (FRONT BRAKE DISCS)” on page 4-18.
• ABS wire harness and wire harness are short-circuited.
Refer to “CIRCUIT DIAGRAM (1/2)” on page 8-111 and “CIRCUIT DIAGRAM (2/2)” on page 8-113.
Malfunction code 41 (Front wheel will not recover from the locking tendency even though the
signal is continuously transmitted from the ABS ECU to release the hydraulic pressure (when
the battery voltage is normal).)
1. Rotation of wheel
• Check that there is no brake disc drag on the front wheel and make sure that it rotates smoothly.
• Check the front wheel axle for loose bearings and bends, and the brake discs for distortion.
W
W
W/B Br/B
W/L
Br/W
B
B B/W G/R G/Y W/Y Lg
R/B B W/G W/L W/Y
R/L
Y/G Sb B2
L/W
R/W
Y/G
G/Y Br Br/B
5
7
6
1
4
3
2
3. ABS ECU
4. Front brake light switch
5. Brake light relay
6. Rear brake light switch
7. Tail/brake light
Manuals by Motomatrix / www.motomatrix.co.uk / The Solution For Lost Motorcycle Coded Keys
email: [email protected]