Yamaha MT-09 2021 - Page 607

9-177
P0500, P1500
• Short circuit check
TIP
Disconnect the ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-4.
Ground short circuit check “A”
Lines short circuit check “B”
Between ABS ECU coupler “2” and ground
black–ground
white–ground
white/yellow–ground
Rear wheel sensor coupler “1”
black–any other coupler terminal
white–any other coupler terminal
ABS ECU coupler “2”
black–any other coupler terminal
white–any other coupler terminal
white/yellow–any other coupler terminal
ECU coupler “3” white/yellow–any other coupler terminal
R
L/W
B
B/W
W/G
GYL
R/B
Br
L/W
G/O W/Y
LBWY L/B
R
L/W
B
B/W
W/G
GYL
R/B
Br
L/W
G/O W/Y
LBWY L/B
WB
Gy LLVP
P/WY/LL/B
B/LB/LBr/WGy/GB/YL/W
W/YW/GG/WG/WL/WL/Y
Gy LLVP
P/WLg/LO/WY/LL/B
B/LB/LBr/WGy/GG/LBr/LB/YL/W
W/YW/GG/WG/WLg/BL/WL/Y
A B
2
2
1
3
*
3
**
*. MTN890
**. MTN890D
Is resistance ∞ Ω?
YES
→ Go to step 6.
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.