Yamaha TMAX XP530E-A 2017 Service Manual page 466

Fault code No.
Item
2 Connection of ECU coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
3 Wire harness continuity.
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 wire harness coupler (ECU side) and ground: green/red–ground
If there is continuity, replace the wire harness.
P0117, P0118
[P0117] Coolant temperature sensor: ground short circuit detected.
[P0118] Coolant temperature sensor: open or power short circuit
detected.
Improperly connected  Con-
nect the coupler securely or
replace the wire harness.
Open or short circuit  Replace
the wire harness.
1
3
G/R
B/L
4
G/R B/L
8-75
FUEL INJECTION SYSTEM
Push the ON/start switch, and
then check the condition of the
fault code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 3.
Push the ON/start switch, and
then check the condition of the
fault code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 4.
2
5V
3
G/R
B/L
4