Yamaha YZF-R1 2020, Руководство по обслуживанию

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P1601
9-221
4. Wire harness continuity.
• Disconnect the relay unit coupler “1”, ECU coupler “2” and sidestand switch coupler “3”.
• Open circuit check
• Short circuit check
TIP
Disconnect the ECU related connectors before checking.
Refer to “PARTS CONNECTED TO THE ECU” on page 9-3.
Ground short circuit check “A”
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 extend and retract the sidestand.
c. Check the condition of 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.
Between relay unit coupler and ECU coupler blue/yellow–blue/yellow
Between relay unit coupler and sidestand switch
coupler
blue/black–blue/black
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 extend and retract the sidestand.
c. Check the condition of 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 relay unit coupler “1” and ground
blue/yellow–ground
blue/black–ground
L / R Gy L / B Y / L L P / W P V
W W / B L / W B / Y B / L Gy / G Br / W
Gy / B W / L L / W L / Y Gy / Y G / W G
L / R L / W R / W L / B L / Y B / Y Sb / W Sb
L / W Br / W L R / L R / W
L / B B
1
2
3