Service manual

7-50
E
– +
ELEC
INDICATION SYSTEM
Overheat warning indicator
1. Check:
• Overheat warning indicator
Not operating
→
Replace the multifunc-
tion meter.
Checking steps:
• Disconnect the thermoswitch (engine)
connector
1
(blue) or engine tempera-
ture sensor connector
2
(black) or ther-
moswitch (exhaust)
3
connector.
• Connect the jumper lead to the female
terminal of the disconnected connector.
• Check that the multifunction meter over-
heat warning indicator comes on and the
buzzer sounds.
Engine trouble warning indicator
1. Check:
• Engine trouble warning indicator
Not operating
→
Replace the multifunc-
tion meter.
Checking steps:
• Remove the coupler of the sensor indi-
cated in the multifunction meter.
• Check if “Irregular” is indicated in the
Diagnosis Record of the Yamaha Diag-
nostic System.
• Start the engine and check that the
engine check warning indicator comes on
and the buzzer sounds.