Yamaha YZF-R1 2020 Service Manual page 767

ECU coupler
A
1
B/W R/W Br/W Br/B Dg Ch W/L W/Y
R/GR/G Sb/W G/L G/Y G G/B W/B W/G
3
L/B Y/L
L/W B/Y
L/Y L/W
*. 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", 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 6, and complete the service.
NO
→ Go to step 4.
4. Defective meter assembly.
• Replace the meter assembly.
Refer to "GENERAL CHASSIS (6)" on page 4-23.
• 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 6, and complete the service.
NO
→ Go to step 5.
Br/Y Lg L/W L/B G/W
W G/O Y
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
blue/white–any other coupler terminal
blue/black–any other coupler terminal
B
1
B/W R/W Br/W Br/B Dg Ch W/L W/Y
R/GR/G Sb/W G/L G/Y G G/B W/B W/G
3
L/B Y/L P/W P
L/W B/Y
L/Y L/W
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
9-272
U0155 or Err (FI)
Br/Y Lg L/W L/B G/W
W G/O Y
V L L/R Gy
Gy/G Br/W B/L W W/B
Gy/Y G/W G Gy/B W/L