Yamaha YZF-R1 Series Service Manual page 670

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 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 and ABS ECU
coupler
Between ABS ECU coupler and ECU coupler
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 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 "Short circuit check".
• Short circuit check
TIP
Disconnect the ECU related connectors before checking.
Refer to "PARTS CONNECTED TO THE ECU" on page 9-3.
Ground short circuit check "A"
Between ABS ECU coupler "2" and ground
2
Gy/B L Y G R/B B L/W
L/W B/W
R/W B
G/O W/L L B W W L/B
9-173
black–black
white–white
white/blue–white/blue
3
L/B P/W P
L/W B/Y Gy/G
L/Y L/W Gy/Y
black–ground
white–ground
white/blue–ground
P0500 (FI), P1500
V L L/R Gy
Br/W B/L W W/B
G/W G Gy/B W/L