Yamaha Tenere 700 2020, Service Manual

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ABS (ANTI-LOCK BRAKE SYSTEM)
8-112
Fault code No. 15
TIP
Turn the main switch to “OFF” before disconnecting or connecting a coupler.
4 Defective rear wheel sensor or incorrect
installation of the sensor Check the wheel sensor for damage and the installed
condition of the sensor. Repair or replace the wheel
sensor if necessary.
Refer to “MAINTENANCE OF THE REAR WHEEL
SENSOR AND SENSOR ROTOR” on page 4-22.
Fault code No.
14
27
Item Rear wheel sensor (abnormal pulse period)
Symptom
Rear wheel sensor signal is not received properly. (The pulse period
is abnormal while the vehicle is traveling.)
Order Item/components and probable cause Check or maintenance job
Fault code No. 15
Item Front wheel sensor (open or short circuit)
Symptom Open or short circuit is detected in the front wheel sensor.
Order Item/components and probable cause Check or maintenance job
1 Defective coupler between the front wheel
sensor and the hydraulic unit assembly • Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
• If there is a malfunction, repair it and connect the cou-
pler securely.
See TIP.
2 Open or short circuit in the wire harness
between the front wheel sensor and the
hydraulic unit assembly • Check for continuity between the black terminal “1”
and the black terminal “5” and between the white ter-
minal “2” and the white terminal “4”.
• If there is no continuity, the wire harness is defective.
Replace the wire harness.
• Check that there is no short circuit between the black
terminal “1” and the white terminal “2” and between
the white terminal “4” and the black terminal “5”.
• If there is short circuit, the wire harness is defective.
Replace the wire harness.
• Check that there is no short circuit between the black
terminal “3” and the white terminal “4” and between
the black terminal “3” and the black terminal “5”.
• If there is short circuit, the wire harness is defective.
Replace the wire harness.
6. ABS ECU
7. Front wheel sensor
B W B W / Y W G G / R
Y G R / B B / G Br / W
(B)
L / R L / B
B
B / G
R / W
R / L
W B B W
1 2
3
4 5
6 7