Yamaha XT660X(S) Automobile User Manual


 
8 - 15
+
ELEC
IGNITION SYSTEM
EAS00746
YES
NO
EAS00748
YES
NO
EAS00749
YES
NO
6. Ignition coil resistance
Disconnect the ignition coil connectors
from the ignition coil terminals.
Connect the pocket tester (
×
1) to the
ignition coil as shown.
Positive tester probe
red/black
Negative tester probe
orange
Measure the primary coil resistance.
Primary coil resistance
3.4 ~ 4.6
at 20 °C (68 °F)
Connect the pocket tester (
×
1k) to the
ignition coil as shown.
Negative tester probe
spark plug lead
1
Positive tester probe
red/black
2
Measure the secondary coil resistance.
Secondary coil resistance
10.4 ~ 15.6 k
at 20 °C (68 °F)
Is the ignition coil OK?
Replace the ignition
coil.
7. Crankshaft position sensor resistance
Disconnect the crankshaft position sensor
coupler from the wire harness.
Connect the pocket tester (
×
100) to the
crankshaft position sensor terminal as
shown.
Positive tester probe
blue/yellow
1
Negative tester probe
green/white
2
Measure the crankshaft position sensor
resistance.
Crankshaft position sensor resis-
tance
192 ~ 288
at 20 °C (68 °F)
(between blue/yellow and green/
white)
Is the crankshaft position sensor OK?
Replace the crank-
shaft position sensor.
8. Main switch
Check the main switch for continuity.
Refer to CHECKING THE SWITCHES.
Is the main switch OK?
Replace the main
switch/immobilizer
unit.
G/WL/Y
12