Yamaha XSR 900 2022 Service Manual page 584

4. Connection of ECU coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
Is the coupler condition normal?
YES
→ Go to step 5.
NO
a. Connect the coupler securely or replace the wire harness.
b. Execute the diagnostic mode. (Code 07)
c. Rotate the rear wheel by hand and check that the indicated value increases.
Is that value increased?
YES
→ Go to step 20.
NO
→ Go to step 5.
5. Wire harness continuity.
• Disconnect the rear wheel sensor coupler "1", ABS ECU coupler "2" and ECU coupler "3".
• Open circuit check
Between rear wheel sensor coupler "1" and
ABS ECU coupler "2"
Between ABS ECU coupler "2" and ECU cou-
pler "3"
1
B W
Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Execute the diagnostic mode. (Code 07)
c. Rotate the rear wheel by hand and check that the indicated value increases.
Is that value increased?
YES
→ Go to step 20.
NO
→ Go to "Short circuit check".
• Short circuit check
2
W/G G Y L R/B Br L/W
L/W B/W
R B
G/O W/Y L B W Y L/B
9-178
black–black
white–white
white/yellow–white/yellow
3
L/B Y/L O/W Lg/L
L/W B/Y Br/L G/L
L/Y L/W Lg/B
P0500, P1500
P/W P V L L Gy
Gy/G Br/W B/L B/L
G/W G/W W/G W/Y