Polaris SPORTSMAN 400 2003 Service Manual page 249

ELECTRICAL
SPEEDOMETER TROUBLESHOOTING
TEST 5 REVERSE SPEED LIMITER ACTIVATED IN FORWARD GEAR
START HERE
INSTRUMENT
CLUSTER FUNC-
TION OK?
Y
SHIFT TO LOW OR HIGH
GEARS. IS REVERSE INDICA-
TOR LIGHT ON OR GEAR ON?
DOES THE LETTER "E"
APPEAR?
Y
TEST TRANSMISSION SWITCH
CHECK RELATED WIRING
TEST 6 WHEEL SPEED SENSOR
Tools Required:
GStatic Timing Light Harness (PN 2871745)
GHall Sensor Probe Harness (PN 2460761) or equiva-
lent jumper wires.
To test wheel speed sensor:
1. Disconnect 3 Pin connector from speedometer.
2. Connect wires from test light to sensor 3 Pin
connector as shown at right, using the Hall Sensor
Probe Harness (PN 2460761) or jumper leads.
3. Elevate front right side of vehicle until tire is off the
ground.
4. Slowly turn right front wheel while observing the
test light.
5. If light flashes, sensor is O.K. Be sure connections
are good and 9 volt battery is in good condition.
10.10
(Engine loses spark when vehicle speed is above 7-9 mph.)
CHECK
SPEEDOMETER
(PERFORM TEST 2)
N
TURN KEY SWITCH OFF
REMOVE 16 PIN
PLUG FROM BACK OF
INSTRUMENT
RESTART ATV AND
TEST DRIVE
16 Pin Connector
1. Red- - 12V Constant
2. Red/White- - 12V Switched
3. Grey/Orange- - Mode/Override button
4. Black- - Ignition Kill
5. N/C
6. N/C
7. Yellow/Red- - RPM Input
8. Brown- - Ground
CHECK FUEL &
IGNITION SYSTEMS
CLUSTER
NOTE: OVERRIDE SWITCH PLAYS NO ROLE IN
REVERSE GEAR OUTPUT ON THE ATV.
--
+
9V
Static Timing Light Harness
(PN 2871745)
9. Blue White- - Engine Overheat Switch
10. Purple/Yellow- - Oil Pressure Switch
11. Orange/Red- - Park Gear
12. Purple- - Reverse Gear
13. Green/White- - Neutral
14. White/Blue- - Low Gear
15. Blue/Red- - High Gear
16. Brown/White- - AWD Control
Y
N
PROBLEM
REPLACE
REMAINS?
SPEEDOMETER
To Sensor Red
Brn
680W
Wht
To Sensor
LED
White
To Sensor
Black
Blk