Yamaha XSR900 2022, Service Manual

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3. Wire harness continuity.
• Disconnect the cylinder-#3 ignition coil coupler “1” and ECU coupler “2”.
• Open 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”
Lines short circuit check “B”
Between cylinder-#3 ignition coil coupler “1” and
ECU coupler “2”
orange/green–orange/green
Is resistance 0
Ω
?
YES
→
Go to “Short circuit check”.
NO
a. Replace the wire harness.
b. Start the engine and let it idle for approximately 5 seconds.
c. Check the DTC using the malfunction mode of the YDT.
Is it in the “Recovered” condition?
YES
→
Go to step 7, and complete the service.
NO
→
Go to “Short circuit check”.
Between cylinder-#3 ignition coil coupler “1” and
ground
orange/green–ground
Cylinder-#3 ignition coil coupler “1” orange/green–any other coupler terminal
ECU coupler “2” orange/green–any other coupler terminal
O/G R
/ W
O Gy/R O/G P/B Y/R
B R/B G/B L/B Lg/R
B G/Y R/L
B/W B/W R/L L/W Y/B Y/R R/G
2 1