Throttle Position Sensor - Arctic Cat 450 XC 2011 Service Manual

Throttle Position Sensor

(TPS)
INSPECTING
1. Remove the left-side engine cover; then disconnect
the three-wire TPS connector plug.
 NOTE: Prior to testing the TPS, inspect the three-
wire plug connector on the main harness and the
three-pin plug on the TPS for contamination, broken
pins, and/or corrosion.
2. Make sure the ignition switch is in the OFF position;
then select the DC Voltage position on the meter.
3. Connect the black tester lead to terminal B and the
red tester lead to terminal A. Turn the ignition switch
to the ON position. The meter should read approxi-
mately 5.0 DC volts.
KC416B
 NOTE: If the meter does not read as specified,
check for poor connections at the ECU or open/bro-
ken wires in the wiring harness.
Always make sure the ignition switch is in the OFF posi-
tion before disconnecting the ECU.
4. Turn the ignition switch to the OFF position.
5. Select the OHMS position on the meter; then per-
form the following resistance tests on the TPS.
A. Pin (B) to ground - infinity (open circuit).
B. Pin (A) to pin (B) - approximately 1.22k ohms
(throttle closed).
C. Pin (A) to pin (B) - approximately 4.5k ohms
(throttle full-open).
D. Pin (A) to pin (C) - approximately 5.5k ohms.
PR544
 NOTE: If any meter reading is not as specified,
replace or adjust the TPS (see INSTALLING/ADJUST-
ING in this sub-section).
6. Connect the positive lead to the battery; then connect
the negative lead.
7. Connect the main harness TPS connector to the TPS;
then using MaxiClips, connect the black tester lead
to the black/green wire and the red tester lead to the
green/black wire.
Manual
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CAUTION
PR538A
PR535A
87