Yamaha YZF-R1 Series Service Manual page 716

Is resistance ∞ Ω?
YES
→ Go to step 4.
NO
a. Replace the wire harness.
b. Turn the main switch to "ON", and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 7, and complete the service.
NO
→ Go to step 4.
4. Installed condition of shift sensor.
• Check for looseness or pinching.
Is check result OK?
YES
→ Go to step 5.
NO
a. Reinstall or replace the sensor.
Refer to "CHAIN DRIVE" on page 4-125.
b. Turn the main switch to "ON", and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 7, and complete the service.
NO
→ Go to step 5.
5. Defective shift sensor.
• Execute the diagnostic mode. (Code D95)
Shift sensor output voltage display
With no shift weighting input
Shift up weighting
Shift down weighting
Is check result OK?
YES
→ Go to step 6.
NO
a. Replace the shift sensor.
Refer to "CHAIN DRIVE" on page 4-125.
b. Turn the main switch to "ON", and then check the condition of the DTC using the malfunction mode
of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 7, and complete the service.
NO
0.2–4.8 [V]
Approx. 2.5 [V]
Changes to the low side
Changes to the high side
9-219
P1806, P1807