–
+
ELEC
È
É
IGNITION SYSTEM
UP
É
SENSOR ASSEMBLY
1. Check:
• Intake air temperature sensor
Out of specification → Replace the sen-
sor assembly.
Checking steps:
• Measure the ambient temperature.
• Connect a computer to the watercraft and
use the Yamaha Diagnostic System to
display the intake air temperature.
• If the ambient temperature and the dis-
played intake air temperature differ by
more than ± 5 ° C (± 9 ° F), replace the
sensor assembly.
NOTE:
Check the sensor assembly when the engine
is cold.
SLANT DETECTION SWITCH
1. Check:
• Slant detection switch operation
Out of specification → Replace.
Position
Normal
operation È
Overturned É
NOTE:
When checking the slant detection switch, be
sure to turn the switch over to both the left and
right as shown in the illustration.
39
Lead color
Black/
Blue/black
orange
(L/B)
(B/O)
4.18–5.10 kΩ
E