ELEC
7 - 23
LIGHTING SYSTEM
CHECKING THE LIGHTING SYSTEM
1. The headlight fail to come on.
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?
2. Voltage
• Connect the pocket tester (DC 20 V) to the
headlight and high beam indicator light
couplers as shown.
Headlight
Positive tester probe
yellow
Negative tester probe
black
Replace the headlight
bulb, socket or both.
1
YES
NO
The wiring circuit from the
main switch to the headlight
coupler and hight
beam indicator light are
faulty and must be repaired.
This circuit
is OK.
YES
NO
12V 20W
2
2
1
•
Set the main switch to “ON”.
•
Start the engine
•
Set the dimmer switch to “ON”.
•
Measure the voltage (DC 12 V) on the
headlight coupler (wire harness side).
•
Is the voltage within specification?
B
Y