Yamaha FJR1300A(D) Service Manual page 591

Fault code No. ABS_14
ABS_27
Order Item/components and probable
cause
5 Hydraulic unit assembly internal mal-
function.
TIP
Vehicle possibly ridden on uneven roads.
Fault code No. ABS_15
Order Item/components and probable
cause
1 Connections
• Front wheel sensor coupler
• ABS ECU coupler
2 Wire harness continuity.
ABS (ANTI-LOCK BRAKE SYSTEM)
Symptom Incorrect signal from the rear wheel sensor is
detected.
Check or maintenance job
Replace the hydraulic unit assembly.
Symptom No continuity in the front wheel sensor circuit.
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, connect the coupler se-
curely or replace the wire harness.
TIP
Turn the main switch to "OFF" before disconnecting
or connecting a coupler.
• Check for continuity between the white terminal
"1" and the white terminal "3" and between the
black terminal "2" and the black terminal "4".
• If there is no continuity, the wire harness is defec-
tive. Replace the wire harness.
• Check that there is no continuity between the
ground and the white terminal "1" or white termi-
nal "3" and between the ground and the black ter-
minal "2" or black terminal "4".
• If there is continuity, the wire harness is defective.
Replace the wire harness.
• Check that there is no continuity between the
white terminal "1" and the black terminal "2" and
between the white terminal "3" and the black ter-
minal "4".
• If there is continuity, the wire harness is defective.
Replace the wire harness.
5. ABS ECU
6. Front wheel sensor
8-142
2
1
L/Y
B/W W B G/W L/W W/Y
R
B/G L/B B/W Gy W G/R R/L
L/R Y W/L G/Y Sb Br/W
3 4
W B W Gy
5 6