Yamaha MT-09 2021 - Page 698

9-268
53_IMMOBILIZER
4. Turn the main switch to “ON”.
5. Replace the main switch/immobilizer unit, ECU and all key, and complete the service.
Refer to “HANDLEBAR” on page 4-57 and “REPLACING THE ECU (Engine Control Unit)” on
page 8-56.
Gy LLVP
P/WY/LL/B
B/LB/LBr/WGy/GB/YL/W
W/YW/GG/WG/WL/WL/Y
Gy LLVP
P/WLg/LO/WY/LL/B
B/LB/LBr/WGy/GG/LBr/LB/YL/W
W/YW/GG/WG/WLg/BL/WL/Y
R/G
Y/L
Lg
B
R
R/G
Y/L
Lg
B
R
A B
1
2
*
2
**
1
*. MTN890
**. MTN890D
Is resistance ∞ Ω?
YES
→ Go to step 4.
NO
→ Replace the wire harness.
Is DTC displayed?
YES
→ Go to step 5.
NO
→ Service is completed.