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ELEC
LIGHTING SYSTEM
EAS00788
CHECKING THE LIGHTING SYSTEM
1. The headlight and the high beam indicator
light fail to come on.
YES
NO
YES
NO
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?
Replace the head-
light bulb, socket or
both.
2. Voltage
• Connect the pocket tester (DC 20 V) to the
headlight and high beam indicator light
coupler as shown.
È
When the dimmer switch is set to “”
É
When the dimmer switch is set to “”
Headlight coupler (wire harness side)
Headlight
Positive tester probe
→
black/yellow
1
or black/green
2
Negative tester probe
→
black
3
High beam indicator light
Positive tester probe
→
black/yellow
4
Negative tester probe
→
black/white
5
Meter light coupler (wire harness side)
• Set the main switch to “ON”.
• Start the engine and headlight to ON.
• Set the dimmer switch to “” or
“”.
• Measure the voltage (DC 12 V) of green
2
on the headlight coupler (wire harness
side).
• Is the voltage within specification?
This circuit is OK. The wiring circuit
from the main switch
to the headlight cou-
pler is faulty and
must be repaired.