Yamaha MT-09 2021 Service Manual page 553

Ground short circuit check "A"
Between coolant temperature sensor coupler
"1" and ground
Lines short circuit check "B"
Coolant temperature sensor coupler "1"
Joint coupler "2"
ECU coupler "3"
A
1
G/W B
*. MTN890
**. MTN890D
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 7, and complete the service.
NO
→ Go to step 4.
4. Installed condition of coolant temperature sensor.
• Check for looseness or pinching.
Refer to "CYLINDER HEAD" on page 5-26.
B
1
G/W B
2
L/W W L/W W B B L/B L/B Y/B Y/B
B B/L B B B B B B/L L/R L/R L/R L/R
[P0117, P0118] green/white–ground
[P0117, P0118] green/white–any other coupler
terminal
[P0118] black–any other coupler terminal
[P0118] black/blue–any other coupler terminal
[P0118] black–any other coupler terminal
[P0117, P0118] green/white–any other coupler
terminal
[P0118] black/blue–any other coupler terminal
*
3
L/B
L/W
**
3
L/B
L/W
9-123
P0117, P0118
Y/L P/W P V L L
B/Y Gy/G Br/W B/L B/L
L/Y L/W G/W G/W W/G
Y/L O/W P/W P V L L
B/Y Br/L Gy/G Br/W B/L B/L
L/Y L/W Lg/B G/W G/W W/G
Gy
W/Y
Gy
W/Y