Yamaha TMAX TECH MAX 2020 - Page 659

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