Yamaha TMAX 2020 Service Manual page 601

Lines short circuit check "B"
Ignition system relay coupler "1"
Handlebar switch coupler (left) "3"
ECU coupler "4"
A
1
R
Br/L
R L/Y
3
Dg
Ch Y/B O/W
Br/W R/G G/L W/L B/W
Is resistance  ?
YES
Go to step 8.
NO
a. Replace the wire harness.
b. Push the ON/start switch.
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 step 8.
8. Defective cruise control setting switch.
• Replace the handlebar switch (left).
• Push the ON/start switch.
• Push the "RES+" side and "SET–" side of the cruise control setting switch, and then check the con-
dition 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 step 9.
9. Malfunction in ECU.
• Replace the ECU, and complete the service.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-93.
10.Delete the DTC and check that the MIL goes off.
• Confirm that the DTC has a condition of "Recovered" using the YDT, and then delete the DTC.
brown/blue–any other coupler terminal
green/blue–any other coupler terminal
yellow/black–any other coupler terminal
green/blue–any other coupler terminal
B
1
R
Br/L
R L/Y
3
Dg Ch Y/B O/W
Br/W R/G G/L W/L B/W
9-127
4
Lg/W Y/L W/G O/W Lg/L P Y/G
Lg/L R/G G/L Gy/G Br/W
Lg L/W Lg/B G/R
P0564
L B/Y
B/L
W/Y W/G