Yamaha YZF-R1 Series Service Manual page 608

Refer to "PARTS CONNECTED TO THE ECU" on page 9-3.
Ground short circuit check "A"
Between intake air temperature sensor coupler "1"
and ground
Between wire harness coupler (sub-wire harness
side) "3" and ground
Lines short circuit check "B"
Intake air temperature sensor coupler
Wire harness coupler (sub-wire harness side)
ECU coupler "4"
A
1
Br/W B/L
Is resistance ∞ Ω?
YES
→ Go to step 5.
NO
a. Replace the wire harness and/or sub-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 8, and complete the service.
NO
→ Go to step 5.
5. Installed condition of intake air temperature sensor.
• Check for looseness or pinching.
Refer to "AIR INDUCTION SYSTEM" on page 7-20.
Is check result OK?
YES
→ Go to step 6.
NO
3
Br/W B/L
9-111
brown/white–ground
brown/white–ground
brown/white–any other coupler terminal
black/blue–any other coupler terminal
brown/white–any other coupler terminal
black/blue–any other coupler terminal
brown/white–any other coupler terminal
black/blue–any other coupler terminal
B
1
Br/W B/L
4
L/B P/W P
L/W B/Y Gy/G Br/W
L/Y L/W Gy/Y G/W G
P0112, P0113
3
Br/W B/L
V L L/R Gy
B/L W W/B
Gy/B W/L