Yamaha YZF-R1 Series Service Manual page 704

Lines short circuit check "B"
ECU coupler
Joint coupler "2"
IMU coupler
A
1
L/B P/W P
L/W B/Y Gy/G
L/Y L/W
3
*. Joint coupler for YZF-R1
**. Joint coupler for YZF-R1M
Is resistance ∞ Ω?
YES
→ Go to step 4.
NO
a. Replace the wire harness.
b. Turn the main switch to "ON", then to "OFF", and back to "ON".
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.
4. Installed condition of IMU.
• Check the installed direction and condition of the sensor.
• Check the grommet for cracks.
Is check result OK?
B
V L L/R Gy
Br/W B/L W W/B
Gy/Y G/W G Gy/B W/L
9-207
blue/white–any other coupler terminal
black/black–any other coupler terminal
blue/white–any other coupler terminal
black/black–any other coupler terminal
blue/white–any other coupler terminal
blue/black–any other coupler terminal
red/white–any other coupler terminal
1
L/B P/W P V L
L/W B/Y Gy/G Br/W B/L
L/Y L/W Gy/Y G/W G
3
2
*
L/W L/W L/W L/W L/W L/W L/B L/B L/B L/B L/B L/B
**
L/W L/W L/W L/W L/W L/W L/W
L/B L/B L/B L/B L/B L/B L/B
P1600
L/R Gy
W W/B
Gy/B W/L