Arctic Cat 425 2011 - Throttle Position Sensor (TPS) (425)

5-16
KC416B
Throttle Position Sensor
(TPS) (425)
INSPECTING
1. Remove the left-side engine cover; then discon-
nect the three-wire TPS connector plug.
PR544
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, bro-
ken pins, and/or corrosion.
2. Make sure the ignition switch is in the OFF posi-
tion; 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
approximately 5.0 DC volts.
PR538A
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.
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.
PR535A
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 con-
nect the negative lead.
7. Connect the main harness TPS connector to the
TPS; then using MaxiClips, connect the black tes-
ter lead to the black/green wire and the red tester
lead to the green/black wire.
CAUTION
Always make sure the ignition switch is in the OFF posi-
tion before disconnecting the ECU.
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