Yamaha YZF-R1 2020 Service Manual page 679

Lines short circuit check "B"
Rear wheel sensor coupler "1"
ABS ECU coupler
ECU coupler "3"
A
2
Gy/B L Y G R/B B L/W
L/W
R/W
G/O W/L L B W W L/B
Is resistance ∞ Ω?
YES
→ Go to step 6.
NO
a. 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 6.
6. Malfunction in ECU.
• Replace the ECU.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-41.
• Execute the diagnostic mode. (Code D07)
• Rotate the rear wheel by hand and check that the indicated value increases.
Is that value increased?
YES
B/W
B
9-184
black–any other coupler terminal
white–any other coupler terminal
black–any other coupler terminal
white–any other coupler terminal
white/blue–any other coupler terminal
white/blue–any other coupler terminal
B
1
B W
2
Gy/B L Y G R/B B L/W
L/W
R/W
G/O W/L L B W W L/B
3
L/B Y/L
L/W B/Y
L/Y L/W
P0500 (FI), P1500
B/W
B
P/W P V L L/R Gy
Gy/G Br/W B/L W W/B
Gy/Y G/W G Gy/B W/L