Yamaha XSR 900 2022 Service Manual page 670

3. Wire harness continuity.
• Disconnect the meter assembly coupler "1" and ECU coupler "4".
• Remove the joint coupler cap "2" and joint coupler cap "3".
• Open circuit check
Between meter assembly coupler "1" and joint
coupler "2"
Between meter assembly coupler "1" and joint
coupler "3"
Between joint coupler "2" and ECU coupler "4"
Between joint coupler "3" and ECU coupler "4"
1
R/G R/G R/W B/W Lg L/W L/B G/W Y W/G W/R G/B W W/G W/B Sb/W
G/L W/Y W/L Br/L B G/O Br/W Br/B G Br
2
Y/B L/B L/B
Is resistance 0 Ω?
YES
→ Go to "Short circuit check".
NO
a. Replace the wire harness.
b. Turn the main switch to "ON", and then check the DTC using the malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 6, 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.
3
W L/W L/W
9-264
blue/black–blue/black
blue/white–blue/white
blue/black–blue/black
blue/white–blue/white
4
L/B
L/W
L/Y
U0155 or Err
Y/L O/W Lg/L P/W P V L L
B/Y Br/L G/L Gy/G Br/W B/L B/L
L/W Lg/B G/W G/W W/G W/Y
Gy