Yamaha TMAX 2020 Service Manual page 659

TIP
Disconnect the ABS ECU related connectors before checking.
Refer to "PARTS CONNECTED TO THE ABS ECU" on page 9-4.
Ground short circuit check "A"
Between ABS ECU coupler "2" and ground
Lines short circuit check "B"
ABS ECU coupler "2"
A
2
W
R/W
R/L
G/Y
Is resistance  ?
YES
 Go to step 4.
NO
 Replace the wire harness.
4. Defective hydraulic unit assembly
• Replace the hydraulic unit assembly.
Refer to "ABS (Anti-lock Brake System)" on page 4-67.
B B W
W/Y G/R W/G
B
B/G
Lg Lg Lg/L Lg/W
Br/W B/L
red/white–ground
red/white–any other coupler terminal
B
2
W
R/W
R/L
G/Y
9-185
31_ABS
B B W W/Y G/R W/G
B
B/G
Lg Lg Lg/L Lg/W
Br/W B/L