Yamaha MT-09 2021 Service Manual page 683

1
Br Y
*. MTN890
**. MTN890D
Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Execute the diagnostic mode. (Code 16)
c. Rotate the front wheel by hand and check that the indicated value increases.
Is that value increased?
YES
→ Go to step 10, and complete the service.
NO
→ Go to "Short circuit check".
• 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"
Between ABS ECU coupler "2" and ground
Lines short circuit check "B"
Front wheel sensor coupler "1"
ABS ECU coupler "2"
ECU coupler "3"
2
W/G G Y L R/B Br L/W
L/W B/W
R B
G/O W/Y L B W Y L/B
9-253
*
3
L/B Y/L
L/W B/Y
L/Y L/W
**
3
L/B Y/L O/W
L/W B/Y Br/L
L/Y L/W Lg/B
brown–ground
yellow–ground
white/green–ground
brown–any other coupler terminal
yellow–any other coupler terminal
brown–any other coupler terminal
yellow–any other coupler terminal
white/green–any other coupler terminal
white/green–any other coupler terminal
P2158
Lg/L P/W P V L L Gy
G/L Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
Lg/L P/W P V L L Gy
G/L Gy/G Br/W B/L B/L
G/W G/W W/G W/Y