Yamaha tmax XP500A, Руководство по обслуживанию

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CHAS
ANTI-LOCK BRAKE SYSTEM (XP500A)
*1 Malfunction code 11 is indicated if the rear wheel rotates for more than 20 seconds with the front wheel
stopped.
NOTE:
_
Malfunction code 15 (front wheel sensor) or 16 (rear wheel sensor) is displayed if a defective con-
nection to either the front or rear sensor is detected whether or not the vehicle is ridden.
34
Defective operation of the ABS motor is
detected. (ABS motor keeps running and will
not stop.) • Fail-safe relay
• Wire harness (ABS system’s circuit)
• ABS motor circuit [C-5-9] Mal-
function code
34
(page 4-111)
41
Front wheel will not recover from the locking
tendency even though the signal is continuously
transmitted from the ECU (ABS) to release the
hydraulic state (when the battery voltage is nor-
mal). • Brake dragging
• Hydraulic unit operation test 2
(Refer to [D-6-3-2].)
• Front wheel brake line
[C-5-10] Mal-
function code
41
(page 4-112)
42
Rear wheel will not recover from the locking
tendency even though the signal is continuously
transmitted from the ECU (ABS) to release the
hydraulic state (when the battery voltage is nor-
mal). • Brake dragging
• Hydraulic unit operation test 2
(Refer to [D-6-3-2].)
• Rear wheel brake line
[C-5-11] Mal-
function code
42
(page 4-113)
51
Front wheel will not recover from the locking
tendency even though the signal is continuously
transmitted from the ECU (ABS) to release the
hydraulic state (when the battery voltage is
low). • Brake dragging
• Hydraulic unit operation test 2
(Refer to [D-6-3-2].)
• Front wheel brake line
• Battery voltage
[C-5-12] Mal-
function code
51
(page 4-115)
52
Rear wheel will not recover from the locking
tendency even though the signal is continuously
transmitted from the ECU (ABS) to release the
hydraulic state (when the battery voltage is
low). • Brake dragging
• Hydraulic unit operation test 2
(Refer to [D-6-3-2].)
• Rear wheel brake line
• Battery voltage
[C-5-13] Mal-
function code
52
(page 4-115)
Present mal-
function (test
always indi-
cates 12 V)
ECU (ABS) may be malfunctioning • Wire harness (ABS system’s circuit)
(test coupler circuits)
• ECU (ABS) (Replace)
[D-1] Mainte-
nance of the
ECU (ABS)
(page 4-116)
Malfunction
code
Problem Check point Reference