Yamaha XV19SX(C) Service Manual page 471

Starter relay
3
R
B
4
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Relay unit (starting circuit cut-off relay)
1 2
3
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Relay unit (fuel pump relay)
1
2
3
1. Positive battery terminal
R
R/Y L
2 1
4
+
4
+
ELECTRICAL COMPONENTS
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
Headlight relay
3
4
2
Y/B Br
G/L
R/Y
1. Positive battery terminal
2. Negative battery terminal
3. Positive tester probe
4. Negative tester probe
Result
Continuity
(between "3" and "4")
ET1D71011
CHECKING THE TURN SIGNAL RELAY
1. Check:
• Turn signal relay input voltage
Out of specification → The wiring circuit from
the main switch to the turn signal relay cou-
pler is faulty and must be repaired.
Turn signal relay input voltage
DC 12 V
M MMM M MMM M M MMM M
a. Connect the pocket tester (DC 20 V) to the
turn signal relay terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
brown "1"
• Negative tester probe →
ground
7-80
+
1
M MMM M M MMM M M MMM M MMM