Yamaha TMAX 2020 Service Manual page 549

Is it in the "Recovered" condition?
YES
 Go to step 8, 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 O sensor coupler "1" and ground
2
Lines short circuit check "B"
O sensor coupler "1"
2
ECU coupler "2"
Fuel injection system relay coupler "3"
A
1
R/L B/G
Gy/G B/L
*. XP560D
**. XP560E
Is resistance  ?
YES
 Go to step 5.
NO
a. Replace the wire harness.
b. Start the engine and let it idle for approximately 1 minute.
c. Check the condition of the DTC using the malfunction mode of the YDT.
B
1
R/L B/G
2
Gy/G B/L
3
R
R/L
R/B L/Y
red/blue–ground
black/green–ground
gray/green–ground
black/blue–ground
red/blue–any other coupler terminal
black/green–any other coupler terminal
gray/green–any other coupler terminal
black/blue–any other coupler terminal
black/green–any other coupler terminal
gray/green–any other coupler terminal
black/blue–any other coupler terminal
red/blue–any other coupler terminal
Y/R B/G O
Y/W G/B R/B B
R/L Y/R B
R Y/W L/Y R/L B B
9-75
P00D1, P2195
*
2
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
**
2
Lg/W Y/L W/G P Y/G
Lg/L Gy/G Br/W
Lg
L/W G/R
L B/Y
B/L
W/Y W/G
L B/Y
B/L
W/Y W/G