Yamaha YZF-R1, Service Manual

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P0117, P0118
9-115
Refer to “PARTS CONNECTED TO THE ECU” on page 9-3.
Ground short circuit check “A”
Lines short circuit check “B”
5. Installed condition of coolant temperature sensor.
• Check for looseness or pinching.
Refer to “CYLINDER HEAD” on page 5-33.
Between coolant temperature sensor coupler “1”
and ground
green/white–ground
Between wire harness coupler (sub-wire harness
side) “3” and ground
green/white–ground
Coolant temperature sensor coupler
green/white–any other coupler terminal
black/blue–any other coupler terminal
Wire harness coupler (sub-wire harness side)
green/white–any other coupler terminal
black/blue–any other coupler terminal
ECU coupler “4”
green/white–any other coupler terminal
black/blue–any other coupler terminal
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.
Is check result OK ?
YES
→
Go to step 6.
NO
B / L G / W
B / L G / W
B / L G / W
B / L G / W
L / R Gy L / B L P / W P V
W W / B L / W B / Y B / L Gy / G Br / W
Gy / B W / L L / W L / Y Gy / Y G / W G
A B
1 3 1 3
4