Checking The Turn Signal Relay - Yamaha XT250X Service Manual

Headlight relay
3
4
2
1
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
EAS3C51015

CHECKING THE TURN SIGNAL RELAY

1. Check:
Turn signal light relay input voltages
G
Out of specification → Poor circuit connection
from main switch to turn signal light relay cou-
pler. Repair.
Turn signal light relay input volt-
age
DC 12 V
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
a. Connect the pocket tester (DC 20 V) to the
turn signal light and hazard relay coupler as
shown.
Pocket tester
90890-03132
Positive probe of the tester
Brown "1"
Negative probe of the tester
Ground to chassis frame
+
b. Turn the main switch "ON".
c. Measure the input voltage of the turn signal
LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL
2. Check:
MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM
a. Touch probes of the pocket tester (DC 20 V)
b. Turn the main switch "ON".
c. Measure the output voltage of the turn signal
7-41
ELECTRICAL COMPONENTS
light and hazard relay.
Turn signal light and hazard relay output volt-
G
age
Out of specification → Replace the turn sig-
nal light and hazard relay.
Turn signal light and hazard relay
output voltage
DC 12 V
to the turn signal light and hazard relay cou-
pler as shown.
Pocket tester
90890-03132
Positive probe of the tester
Brown/white "1"
Negative probe of the tester
Ground to chassis frame
light and hazard relay.