Yamaha YZF-R1 Series Service Manual page 674

A
1
Br/W L/W R/W L R/L
L/R L/W R/W L/B L/Y Sb B/Y Sb/W
Is resistance ∞ Ω?
YES
→ Go to step 11.
NO
a. Replace the wire harness.
b. Execute the diagnostic mode. (Code D21)
When the transmission is in neutral
When the transmission is in gear with the clutch lever released
Is it correct indication?
YES
→ Go to step 21.
NO
→ Go to step 11.
11.Defective relay unit.
• Check the relay unit.
Refer to "CHECKING THE RELAY UNIT (DIODE)" on page 8-43.
Is check result OK?
YES
→ Go to step 12.
NO
a. Replace the relay unit.
b. Execute the diagnostic mode. (Code D21)
When the transmission is in neutral
When the transmission is in gear with the clutch lever released
Is it correct indication?
YES
→ Go to step 21.
NO
→ Go to step 12.
12.Defective neutral switch.
• Check the neutral switch.
B
1
Br/W L/W R/W L R/L
L/R L/W R/W L/B L/Y Sb B/Y Sb/W
2
L/B P/W P
L/W B/Y Gy/G
L/Y L/W Gy/Y
9-177
P0500 (FI), P1500
3
V L L/R Gy
Br/W B/L W W/B
G/W G Gy/B W/L
ON
OFF
ON
OFF