Yamaha YZF-R1 2020 Service Manual page 677

Is check result OK?
YES
→ Go to step 21.
NO
→ Go to step 15.
TIP
Perform the procedure from step 15 to step 21.
2. Connection of rear wheel sensor 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 3.
NO
a. Connect the coupler securely or replace the wire harness.
b. Execute the diagnostic mode. (Code D07)
c. Rotate the rear wheel by hand and check that the indicated value increases.
Is that value increased?
YES
→ Go to step 21.
NO
→ Go to step 3.
3. Connection of ABS 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 4.
NO
a. Connect the coupler securely or replace the wire harness.
b. Execute the diagnostic mode. (Code D07)
c. Rotate the rear wheel by hand and check that the indicated value increases.
Is that value increased?
YES
→ Go to step 21.
NO
→ Go to step 4.
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.
9-182
P0500 (FI), P1500