[B-2] Diagnosis Using The Fault Codes - Yamaha XSR700 2018 Supplement Service Manual

EAS31138

[B-2] DIAGNOSIS USING THE FAULT CODES

Fault code No. 15
TIP
Turn the main switch to "OFF" before disconnecting or connecting a coupler.
Fault code No.
Item
Symptom
Item/components and probable
Order
cause
1 Defective coupler between the front
wheel sensor and the hydraulic unit
assembly
2 Open or short circuit in the wire har-
ness between the front wheel sensor
and the hydraulic unit assembly
ABS (ANTI-LOCK BRAKE SYSTEM)
15
Front wheel sensor (open or short circuit)
Open or short circuit is detected in the front wheel sensor.
Check or maintenance job
• 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
coupler securely.
See TIP.
• Check for continuity between the black terminal
"1" and the black terminal "4" and between the
white terminal "2" and the white terminal "5".
• If there is no continuity, the wire harness is defec-
tive. Replace the wire harness.
• Check that there is no short circuit between the
black terminal "1" and the white terminal "2" and
between the black terminal "4" and the white ter-
minal "5".
• If there is short circuit, the wire harness is defec-
tive. Replace the wire harness.
• Check that there is no short circuit between the
black terminal "3" and the black terminal "4" and
between the black terminal "3" and the white ter-
minal "5".
• If there is short circuit, the wire harness is defec-
tive. Replace the wire harness.
6. ABS ECU
7. Front wheel sensor
– 75 –
1 2
R/W B W B W G G/R W/Y
R/L Y G G Br/W L/R L/B B/L B/G
(B)
4 5
B
B W W Gy
3
6 7