Yamaha TMAX 2020 Service Manual page 661

EAS20692
33_ABS
EAS33322
TROUBLESHOOTING
Item
Hydraulic unit assembly (abnormal ABS motor power supply)
Procedure
1. Blown ABS motor fuse
• Check the ABS motor fuse.
Refer to "CHECKING THE FUSES" on page 8-93.
Is check result OK?
YES
 Go to step 2.
NO
 Replace the fuse and check the wire harness.
2. Defective coupler between the battery and the hydraulic unit assembly
• Check the coupler for any pins that may be pulled out.
• Check the locking condition of the coupler.
TIP
Push the OFF/LOCK switch before disconnecting or connecting a coupler.
Is check result OK?
YES
 Go to step 3.
NO
 If there is a malfunction, repair it and connect the coupler securely.
3. Wire harness continuity
• Disconnect the ABS motor fuse and ABS ECU coupler.
• Open circuit check
Between ABS motor fuse holder "1" and ABS
ECU coupler "2"
Is resistance 0 ?
YES
 Go to "Short circuit check".
NO
 Replace the wire harness.
1
9-187
red/blue–red/blue
2
W B B W W/Y G/R W/G
R/W
R/L
B/G
Lg Lg
G/Y Br/W Lg/L Lg/W B/L
33_ABS
B