Yamaha XSR 900 2022 Service Manual page 639

Is the coupler condition normal?
YES
→ Go to step 4.
NO
a. Connect the coupler securely or 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 7, and complete the service.
NO
→ Go to step 4.
4. Check the fuse.
• Check the backup fuse 2.
Is check result OK?
YES
→ Go to step 5.
NO
a. Replace the fuse.
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 7, and complete the service.
NO
→ Go to step 5.
5. Wire harness continuity.
• Disconnect the battery "1", backup fuse 2 "2", ECU coupler "3", main switch coupler "4" and ignition
fuse "5".
• Open circuit check
Between battery "1" and backup fuse 2 holder
"2"
Between backup fuse 2 holder "2" and ECU
coupler "3"
Between main switch coupler "4" and ignition
fuse holder "5"
Between ignition fuse holder "5" and ECU cou-
pler "3"
red–red
red/green–red/green
brown/blue–brown/blue
red/white–red
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P1602