Yamaha XSR MTM690 2016 Service Manual page 422

3-1
1. Coolant temperature sensor
2. ECU
3. Sensor output lead
4. Sensor ground lead
3-2 Disconnect the ECU coupler from the ECU.
Disconnect the coolant temperature sensor coupler from the coolant temperature sensor.
3-3 [For P0117] Ground short circuit
Between coolant temperature sensor coupler and ground: green/white–ground
If there is continuity, replace the wire harness.
3-4 [For P0118] Open circuit
Between coolant temperature sensor coupler and ECU coupler: green/white–green/white
If there is no continuity, replace the wire harness.
3-5 [For P0118] Open circuit
Between coolant temperature sensor coupler and ECU coupler: black/blue–black/blue
If there is no continuity, replace the wire harness.
1
3
G/W
B/L
4
G/W B/L
L/R L/B Y/L Gy B/L
G/W B/L
W/G Br/L
P/L R/G G/W Gy/G
L/R L/B Y/L Gy B/L
G/W B/L
W/G Br/L
P/L R/G G/W Gy/G
8-51
FUEL INJECTION SYSTEM
2
5V
G/W
B/L
W L P/W R/W L/Y B/R Gy/R G/Y O
Y/G Br/W L/W G/B B/Y R/B
W/Y R/L R/B P/B B/W Y/B B
W L P/W R/W L/Y B/R Gy/R G/Y O
Y/G Br/W L/W G/B B/Y R/B
W/Y R/L R/B P/B B/W Y/B B