Checking The Diode - Yamaha 2012 TMAX XP500A Service Manual

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a. Connect the pocket tester (DC 20 V) to the
turn signal/hazard relay terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
Blue "1"
• Negative tester probe →
Ground
b. Set the main switch to "ON".
c. Measure the turn signal/hazard relay input
voltage.
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2. Check:
• Turn signal/hazard relay output voltage
Out of specification → Replace.
Turn signal/hazard relay output
voltage
DC 12 V
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a. Connect the pocket tester (DC 20 V) to the
turn signal/hazard relay terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe →
Brown/white "1"
• Negative tester probe →
Ground
ELECTRICAL COMPONENTS
b. Set the main switch to "ON".
c. Measure the turn signal/hazard relay out-
put voltage.
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EAS28050

CHECKING THE DIODE

1. Check:
• Diode 2
Out of specification → Replace.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
TIP
The pocket tester or the analog pocket tester
reading are shown in the following table.
Continuity
Positive tester probe → Blue/
yellow "1"
Negative tester probe → Red/
black "2"
No continuity
Positive tester probe → Red/
black "2"
Negative tester probe → Blue/
yellow "1"
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a. Disconnect the diode 2 from the wire har-
ness.
b. Connect the pocket tester (Ω × 1) to the
diode 2 terminals as shown.
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