Speed Sensor; Ignition Switch - Arctic Cat XC 450i 2012 Service Manual

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Secondary Winding
1. Remove the plug cap from the high tension lead;
then connect the red tester lead to the high tension
lead.
2. Connect the black tester lead to ground.
3. The meter reading must be within specification.
 NOTE: If the meter does not show as specified,
replace ignition coil.
Spark Plug Cap
1. Connect the red tester lead to one end of the cap;
then connect the black tester lead to the other end of
the cap.
2. The meter reading must be within specification.
 NOTE: If the meter does not read as specified,
replace the spark plug cap.

Speed Sensor

1. Set the meter selector to the DC Voltage position.
2. With appropriate needle adapters on the meter leads,
connect the red tester lead to the voltage lead (V);
then connect the black tester lead to the ground lead
(G).
3. Turn the ignition switch to the ON position.
4. The meter must show greater than 5.0 volts.
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5. Leave the black tester lead connected; then connect
the red tester lead to the signal lead pin (S).
6. Slowly move the ATV forward or backward; the
meter must show 0 and >5 volts alternately.
 NOTE: If the sensor tests are within specifications,
the speedometer/LCD gauge must be replaced (see
Steering/Frame).
To replace a speed sensor, use the following procedure.
1. Disconnect the three-wire connector from the speed
sensor; then remove the cap screw securing the sen-
sor to the sensor housing.
2. Remove the sensor from the sensor housing account-
ing for an O-ring.
3. Install the new speed sensor into the housing with
new O-ring lightly coated with multi-purpose grease;
then secure the sensor with the cap screw (threads
coated with blue Loctite #242). Tighten securely.
AR603D

Ignition Switch

The ignition switch harness connects to the switch with a
three-pin connector. To access the connector, remove the
radiator/electrical access panel.
VOLTAGE
KC248A
 NOTE: Perform this test on the main harness con-
nector.
Manual
Table of Contents
CD071
KC466C