Yamaha T135SE Service Manual page 339

2. Thermo sensor
CIRCUITDIAGRAM
Br P
B/L
G/R W
(BLACK)
9
W
W
B R
B/L LY
L L
Y Y
e
G/R
G/R
B/L
t
G/R B/L
G/W
B/L
P
0 C.D.I. unit
t Thermo sensor
1. Wireharness
9 Check the wireharness for continuity.
Refer to "CIRCUITDIAGRAM".
9 Is the wireharness OK?
YES
B L
G/W
O W/Y Y
(BLACK)
O O
B
0
Br Br
r
W /Y L
Br Br
(BLACK)
W Y / L
W Y /
L
y
L L
B B
B
B/L Br B
Br
NO
Repair or replace the
wireharness.
8-47
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SELF-DIAGNOSIS
2. Thermo sensor
9 Check the thermo sensor.
Refer to "COOLING SYSTEM".
9 Is the thermo sensor OK?
YES
Replace the C.D.I.
unit.
ELEC
NO
Replace the thermo
sensor.