Yamaha YZF-R1 Series Service Manual page 695

Between gear position sensor coupler and ECU
coupler
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 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".
• 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"
Between gear position sensor coupler "1" and
ground
Lines short circuit check "B"
Gear position sensor coupler
ECU coupler "2"
A
1
L/R G W
white–white
green–green
blue/red–blue/red
2
1
L/B
L/R G W
L/W B/Y
L/Y L/W
green–ground
blue/red–ground
white–any other coupler terminal
green–any other coupler terminal
blue/red–any other coupler terminal
white–any other coupler terminal
green–any other coupler terminal
blue/red–any other coupler terminal
B
9-198
P/W P V L L/R Gy
Gy/G Br/W B/L W W/B
Gy/Y G/W G Gy/B W/L
1 2
L/R G W
L/B
L/W B/Y
L/Y L/W
P0916, P0917
P/W P V L L/R Gy
Gy/G Br/W B/L W W/B
Gy/Y G/W G Gy/B W/L