Yamaha XSR 900 2022 Service Manual page 590

When the clutch lever is released with the transmission in gear and when
the sidestand is retracted
When the clutch lever is squeezed with the transmission in gear and when
the sidestand is retracted
Is it correct indication?
YES
→ Go to step 20.
NO
→ Go to step 16.
16.Connection of ECU coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
Is the coupler condition normal?
YES
→ Go to step 17.
NO
a. Connect the coupler securely or replace the wire harness.
b. Execute the diagnostic mode. (Code 21)
When the clutch lever is released with the transmission in gear and when
the sidestand is retracted
When the clutch lever is squeezed with the transmission in gear and when
the sidestand is retracted
Is it correct indication?
YES
→ Go to step 20.
NO
→ Go to step 17.
17.Wire harness continuity.
• Disconnect the ECU coupler "2", relay unit coupler "1" and clutch switch coupler "3".
• Remove the joint coupler cap "4" and joint coupler cap "5".
• Open circuit check
Between ECU coupler "2" and joint coupler "4"
Between relay unit coupler "1" and joint coupler
"4"
Between clutch switch coupler "3" and joint cou-
pler "4"
Between clutch switch coupler "3" and joint cou-
pler "5"
Between relay unit coupler "1" and joint coupler
"5"
black/yellow–black/yellow
black–black
black/yellow–black/yellow
blue/yellow–blue/yellow
blue–blue
9-184
P0500, P1500
OFF
ON
OFF
ON