Honda TRX450R Service Manual page 476

IGNITION SYSTEM (After '05)
IGNITION COIL
REMOVAL/INSTALLATION
Remove the right front fender (page 3-6).
Remove the spark plug cap from the spark plug.
Disconnect the primary wire connector.
Remove the bolts, ground terminal and ignition coil.
Installation is in the reverse order of removal.
ICM (IGNITION CONTROL MODULE)
REMOVAL/INSTALLATION
Remove the top cover (page 3-5).
Disconnect the ICM 4P, 8P and 6P black connectors.
Remove the ICM from the holder.
Installation is in the reverse order of removal.
THROTTLE POSITION SENSOR
INSPECTION
Disconnect the throttle position sensor 3P black
connector.
Measure the resistance between the Pink and
Green/yellow wire terminal of the sensor side con-
nector.
STANDARD: 4 - 6 kQ at 20°C (68°F)
Check that the resistance between the Light green
and Green/yellow wire terminals varies with the
throttle position while operating the throttle lever.
From fully closed position to fully open position:
Resistance increases
From fully open position to fully closed position:
Resistance decreases
THROTTLE POSITION SENSOR CONNECTOR |
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