Yamaha XSR 900 2022 Service Manual page 587

10.Wire harness continuity.
• Disconnect the relay unit coupler "1", ECU coupler "2" and neutral switch coupler "3".
• Remove the joint coupler cap "4".
• Open circuit check
Between relay unit coupler "1" and joint coupler
"4"
Between joint coupler "4" and ECU coupler "2"
Between relay unit coupler "1" and neutral
switch coupler "3"
3
Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Execute the diagnostic mode. (Code 21)
When the transmission is in neutral
When the transmission is in gear with the clutch lever released
Is it correct indication?
YES
→ Go to step 20.
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.
1
W
Br R L/W R
W L/W R L/B L
Sb B Sb/W
4
B/Y B B/Y
black–black/yellow
black/yellow–black/yellow
sky blue–sky blue
2
L/B Y/L
L/W B/Y
L/Y L/W
9-181
P0500, P1500
O/W Lg/L P/W P V L L Gy
Br/L G/L Gy/G Br/W B/L B/L
Lg/B G/W G/W W/G W/Y
ON
OFF