Yamaha TT600R Service Manual page 350

3. The parking light fails to turn on.
1. Bulb and bulbholder.
•
Check the continuity of the bulb and bulb-
holder.
Refer to "BULB INSPECTION" section.
2. Voltage.
•
Connect the pocket tester (DC 20V) to the
bulbholder connector.
Tester terminal (+)
Tester terminal (–)
•
Turn the main switch to ON.
•
Check the voltage (12V) on the "Blue"
cable of the bulbholder connector.
The circuit is efficient.
CONTINUITY
Blue terminal (1)
Black terminal (2)
IN COMPLIANCE WITH
SPECIFICATIONS (12V)
LIGHT SYSTEM
DISCONTINUITY
Replace the bulb and/or bulbholder.
OUT OF SPECIFICATION
The circuit from the main switch to the bulbhol-
der connector is defective. Repair.
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ELEC