E-TON EV3 E-MO Service Manual page 70

SIGNALING SYSTEM
3. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal relay coupler (wire harness side)
as shown.
Positive tester probe
Negative tester probe
B/Y Y/R R/W
R/W Y/R B/Y
1
• Set the main switch to "ON".
• Measure the voltage (DC 12 V) on red/white
at the turn signal relay coupler (wire har-
ness side).
• Is the voltage within specification?
YES
The wiring circuit from
the main switch to the
turn signal relay coupler
is faulty and must be
repaired.
4. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal relay coupler (wire harness side)
as shown.
Positive tester probe
Negative tester probe
B/Y Y/R R/W
R/W Y/R B/Y
1
red/white
ground
-
NO
yellow/red
ground
-
6-14
• Set the main switch to "ON".
• Set the turn signal switch to "L" or "R".
• Measure the voltage (DC 12 V) on
yellow/red at the turn signal relay cou-
pler (wire harness side).
• Is the voltage within specification?
YES
5. Voltage
• Connect the pocket tester (DC 20 V) to the
turn signal light connector or meter coupler
(wire harness side) as shown.
Right turn signal light
Positive tester probe
Negative tester probe
Left turn signal light
Positive tester probe
Negative tester probe
12V 10W
1
R/W
12V 10W
1
R/W
• Set the main switch to "ON".
• Set the turn signal switch to "L" or "R".
• Measure the voltage (DC 12 V) of the light
green or brown
2
light connector (wire harness side).
• Is the voltage within specification?
YES
This circuit is OK.
–
ELEC
NO
The turn signal
relay is faulty and
must be replaced.
red/white
1
brown
3
red/white 1
light green
2
Br
LG
at the turn signal
3
NO
The wiring circuit
from the turn signal
switch to the turn
signal light connec-
tor is faulty and
must be repaired.
+
3
2