Checking The Spark Plug Caps - Yamaha TMAX XP530E-A 2017 Service Manual

2
R/G
G/R
L/W
1
4
L/Y
R/B
3
6
R/W
B/W
5
8
P/B
P
7
ELECTRICAL COMPONENTS
9
A. Diode 1
B. Diode 2
C. Diode 3
D. Diode 5
E. Diode (fuse box)
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a. Disconnect the diode from the wire harness.
b. Connect the digital circuit tester () to the di-
ode terminals as shown.
c. Check the diode for continuity.
d. Check the diode for no continuity.
TIP
When you switch the positive and negative tes-
ter probes, the readings in the above chart will
be reversed.
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EAS30557

CHECKING THE SPARK PLUG CAPS

The following procedure applies to all of the
spark plug caps.
1. Check:
• Spark plug cap resistance
Out of specification  Replace.
Resistance
7.50–12.50 k
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a. Remove the spark plug cap from the spark
plug lead.
b. Connect the digital circuit tester () to the
spark plug cap as shown.
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
8-240
10