Yamaha MT-09 2021 Service Manual page 545

Ground short circuit check "A"
Between intake air temperature sensor coupler
"1" and ground
Lines short circuit check "B"
intake air temperature sensor coupler "1"
Joint coupler "2"
ECU coupler "3"
A
1
Br/W B
*. MTN890
**. MTN890D
Is resistance ∞ Ω?
YES
→ Go to step 5.
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.
B
1
Br/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
[P0112, P0113] brown/white–ground
[P0112, P0113] brown/white–any other coupler
terminal
[P0113] black–any other coupler terminal
[P0113] black/blue–any other coupler terminal
[P0113] black–any other coupler terminal
[P0112, P0113] brown/white–any other coupler
terminal
[P0113] black/blue–any other coupler terminal
*
3
L/B Y/L
L/W B/Y
L/Y L/W
**
3
L/B Y/L
L/W B/Y
L/Y L/W
9-115
P0112, P0113
P/W P V L L Gy
Gy/G Br/W B/L B/L
G/W G/W W/G W/Y
O/W P/W P V L L Gy
Br/L Gy/G Br/W B/L B/L
Lg/B G/W G/W W/G W/Y