Yamaha XSR 900 2022 Service Manual page 506

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 9-4.
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"
A
1
R P/B
Gy/G B/L
Is resistance ∞ Ω?
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 DTC using the malfunction mode of the YDT.
gray/green–ground
pink/black–ground
black/blue–ground
red–ground
gray/green–any other coupler terminal
pink/black–any other coupler terminal
black/blue–any other coupler terminal
red–any other coupler terminal
gray/green–any other coupler terminal
pink/black–any other coupler terminal
black/blue–any other coupler terminal
B
1
R P/B
Gy/G B/L
2
Y/R P/B O/G Gy/R
Lg/R L/B G/B R/B
R/L G/Y
R/G Y/R Y/B L/W R/L B/W
9-100
2
L/B Y/L O/W
L/W B/Y Br/L
L/Y L/W Lg/B
O
B
B
B/W
P00D1, P2195
Lg/L P/W P V L L Gy
G/L Gy/G Br/W B/L B/L
G/W G/W W/G W/Y