Yamaha MT-09 2021 - Page 738

9-308
90_ABS
• Short circuit check
TIP
Disconnect the ECU and ABS ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-4 and “PARTS CONNECTED TO THE ABS
ECU” on page 9-4.
Ground short circuit check “A”
Lines short circuit check “B”
Is resistance 0 Ω?
YES
→ Go to “Short circuit check”.
NO
→ Replace the wire harness.
Between ECU coupler “1” and ground
blue/white–ground
blue/black–ground
Between ABS ECU coupler “5” and ground
blue/white–ground
blue/black–ground
ECU coupler “1”
blue/white–any other coupler terminal
blue/black–any other coupler terminal
Joint coupler “2”
yellow/black–any other coupler terminal
white–any other coupler terminal
ABS ECU coupler “5”
blue/white–any other coupler terminal
blue/black–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
BA
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
R
L/W
B
B/W
W/G
GYL
R/B
Br
L/W
G/O W/Y
LBWY L/B
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
Gy LLVP P/WLg/LY/LL/B
B/LB/LBr/WGy/GG/LB/YL/W
W/YW/GG/WG/WL/WL/Y
Gy LLVP P/WLg/LY/LL/B
B/LB/LBr/WGy/GG/LB/YL/W
W/YW/GG/WG/WL/WL/Y
L/W WW L/W BB L/B L/B Y/B Y/B
L/R L/R L/RL/RB/L
B B/L BBBBB
1
*
1
*
1
**
1
**
5
5
2
*. MTN890
**. MTN890D