Yamaha TMAX 2020 Service Manual page 591

• 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
Lines short circuit check "B"
Rear wheel sensor coupler "1"
ABS ECU coupler "2"
ECU coupler "3"
A
2
W B B W W/Y G/R W/G
R/W B
R/L
B/G
Lg Lg Lg/L Lg/W
G/Y Br/W B/L
*. XP560D
**. XP560E
Is resistance  ?
YES
 Go to step 5.
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 7.
NO
 Go to step 5.
5. Malfunction in ECU.
• Replace the ECU.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-93.
• Execute the diagnostic mode. (Code D07)
• Rotate the rear wheel by hand and check that the indicated value increases.
black–ground
white–ground
white/green–ground
black–any other coupler terminal
white–any other coupler terminal
black–any other coupler terminal
white–any other coupler terminal
white/green–any other coupler terminal
white/green–any other coupler terminal
B
1
B W
2
W B B W W/Y G/R W/G
R/W B
R/L
B/G
Lg Lg Lg/L Lg/W
G/Y Br/W B/L
9-117
*
3
Lg/W Y/L W/G O/W Lg/L P Y/G
Lg/L R/G G/L Gy/G
Lg
L/W Lg/B
**
3
Lg/W
Y/L W/G P Y/G
Lg/L Gy/G
Lg
L/W
P0500
L B/Y
Br/W B/L
G/R W/Y W/G
L B/Y
Br/W B/L
G/R W/Y W/G