Yamaha 2008 Raptor 250, Руководство по обслуживанию

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ELEC
7-29
EBS01069
EBS01070
CHECKING THE LIGHTING SYSTEM
1. The headlights fail to come on.
3. Wiring
• Check the entire lighting system’s wiring.
Refer to “CIRCUIT DIAGRAM”.
• Is the lighting system’s wiring properly con-
nected and without defects?
YES
NO
Check the condition
of each of the light-
ing system’s circuits.
Refer to “CHECK-
ING THE LIGHT-
ING SYSTEM”. Properly connect or
repair the lighting
system’s wiring.
1. Headlight bulb and socket
• Check the headlight bulb and socket for
continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
• Are the headlight bulb and socket OK?
YES
NO
Replace the head-
light bulb, socket or
both.
2. Voltage
• Connect the pocket tester (AC 20 V) to the
headlight couplers as shown.
When the light switch is set to “LO”
When the light switch is set to “HI”
Headlight coupler (wire harness side)
Headlight
Positive tester probe
→
yellow or green
Negative tester probe
→
black
• Set the main switch to “ON”.
• Start the engine.
• Set the light switch to “LO” or “HI”.
• Measure the voltage (AC 12 V) of yellow
or green on the headlight coupler (wire
harness side).
• Is the voltage within specification?
YES
NO
This circuit is OK. Replace the rectifier/
regulator.
LIGHTING SYSTEM