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ELEC
LIGHTING SYSTEM
EAS00789
2. The meter light fails to come on.
EAS00790
3. The tail/brake light fails to come on.
1. Meter light bulb and socket
• Check the meter light bulb and socket for
continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”
• Are the meter light bulb and socket OK?
YES
NO
Replace the meter
light bulb, socket or
both.
2. Voltage
• Connect the pocket tester (DC 20 V) to the
meter light coupler (wire harness side) as
shown.
Positive tester probe
→
blue/red
1
Negative tester probe
→
black/white
2
• Set the main switch to “ON”.
• Measure the voltage (DC 12 V) of blue
1
on the meter light coupler (wire harness
side).
• Is the voltage within specification?
YES
NO
This circuit is OK. The wiring circuit
from the main switch
to the meter light
coupler is faulty and
must be repaired.
1. Tail/brake light bulb and socket
• Check the tail/brake light bulb and socket
for continuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”
• Are the tail/brake light bulb and socket
OK?
YES
NO
Replace the tail/
brake light bulb,
socket or both.
2. Voltage
• Connect the pocket tester (DC 20 V) to the
tail/brake light coupler (wire harness side)
as shown.
Positive tester probe
→
blue/red
1
Negative tester probe
→
black
2
• Set the main switch to “ON”.
• Measure the voltage (DC 12 V) of blue/red
1
on the tail/brake light coupler (tail/brake
light side).
• Is the voltage within specification?
YES
NO
This circuit is OK. Wiring circuit from
the main switch to
the tail/brake light
coupler is faulty and
must be repaired.