Yamaha TMAX 2020 Service Manual page 598

Is resistance 0 ?
YES
Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Push the ON/start switch.
c. Push and release the "RES+" side of the cruise control setting switch, and then check the condi-
tion 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 9-3.
Ground short circuit check "A"
Between ignition system relay coupler "1" and
ground
Between handlebar switch coupler (left) "3" and
ground
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
brown/blue–ground
red/green–ground
yellow/black–ground
brown/blue–any other coupler terminal
red/green–any other coupler terminal
yellow/black–any other coupler terminal
red/green–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
9-124
4
Lg/W Lg/L
Y/L W/G O/W P Y/G
Lg/L R/G G/L Gy/G
Lg Lg/B
L/W
P0564
L B/Y
Br/W B/L
G/R W/Y W/G