Yamaha MT-09 2021 Service Manual page 622

4
6
R
Br/L
Is resistance 0 Ω?
YES
→Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Turn the main switch to "ON".
c. Push and "SET–" side of the cruise control setting switch, and then check the condition of the
DTC using the malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→Go to step 10, and complete the service.
NO
→Go to "Short circuit check".
• Short circuit check
TIP
Disconnect the ECU related connectors before checking.
Refer to "PARTS CONNECTED TO THE ECU" on page 9-4.
Ground short circuit check "A"
Between handlebar switch coupler (left) "2" and
ground
Between main switch coupler "6" and ground
Lines short circuit check "B"
Handlebar switch coupler (left) "2"
ECU coupler "3"
Main switch coupler "6"
5 1
2
Br/L G/L O/W Y/W G/B W/R
Y/B Y L/R W/L W/Y B W/G
green/blue–ground
yellow/white–ground
red–ground
brown/blue–ground
green/blue–any other coupler terminal
yellow/white–any other coupler terminal
green/blue–any other coupler terminal
red–any other coupler terminal
brown/blue–any other coupler terminal
9-192
3
L/B Y/L O/W Lg/L P/W P V L
L/W B/Y Br/L G/L Gy/G Br/W
L/Y L/W Lg/B G/W G/W
P0564
L Gy
B/L B/L
W/G W/Y