Yamaha XSR 900 2022 Service Manual page 588

Ground short circuit check "A"
Between relay unit coupler "1" and ground
Lines short circuit check "B"
Relay unit coupler "1"
ECU coupler "2"
A
1
Br W
W L/W R L/B L
Is resistance ∞ Ω?
YES
→ Go to step 11.
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 step 11.
11.Defective neutral switch.
• Check the neutral switch.
• Refer to "CHECKING THE SWITCHES" on page 8-39.
Is check result OK?
YES
→ Go to step 12.
NO
a. Replace the neutral switch.
Refer to "CRANKCASE" on page 5-64.
b. Execute the diagnostic mode. (Code 21)
R L/W R
Sb B Sb/W
black–ground
sky blue–ground
black–any other coupler terminal
sky blue–any other coupler terminal
black/yellow–any other coupler terminal
B
1
W
Br
W L/W R L/B L
2
L/B Y/L O/W Lg/L
L/W B/Y Br/L G/L
L/Y L/W Lg/B
9-182
P0500, P1500
R L/W R
Sb B Sb/W
P/W P V L L Gy
Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
ON
OFF