Polaris 2005 SPORTSMAN 500 Servise Manual page 271

SPEEDOMETER TROUBLESHOOTING
TEST 2 - - NO SPEEDOMETER AND/OR ODOMETER DISPLAY
Note: Before starting diagnosis, turn off speedometer and wait 10 seconds,
then turn on again to see if problem clears
START HERE
KEY & STOP
SWITCHES ON
REPLACE
SPEEDO
Y
16PIN MEA-
SURE 12VDC
ON PINS 1
&8 AND 2 & 8
N
ODOMETER
DISPLAY
TEST 3 - - NO REVERSE SPEED LIMIT
(VEHICLE EXCEEDS 7- -9 MPH IN REVERSE)
START HERE
IS THE SPEEDO
READ OUT
OK?
Y
SHIFT INTO REVERSE:
IS REVERSE INDICA-
TOR ON?
Y
REPLACE
SPEEDO
Y
POINTER
MOVE?
N
REPAIR
WIRING
N
Y
TEST
ODOMETER
DRIVE
CHANGE?
VEHICLE
N
CHECK
SPEEDOMETER
(PERFORM TEST 2)
TEST TRANSMISSION
N
(SHIFT) SWITCH AND
WIRING
TURN KEY SWITCH OFF
REMOVE 16 PIN PLUG
FROM BACK OF
SPEEDOMETER HEAD
3 Pin Connector
A: D.C. Power
B: Signal
C: Ground
CHECK
N
CHECK
WHEEL
SENSOR
SPEED
POWER
SENSOR
SUPPLY
(SEE
PIN A
TEST 6)
REPLACE
SPEEDO
N
Y
Y
SPEEDO
POINTER
OK
MOVE?
1. Orange/White- - 12V Constant
2. Red/White- - 12V Switched
3. Grey/Orange- - Mode/Override button
4. Black- - Ignition Kill
5. Green
6. Blue
7. Yellow/Red- - RPM Input
8. Brown- - Ground
NOTE: Mode/Override button provides a grounding
(sinking) input to the instrument cluster.
INSPECT WIRING
AND CDI
RESTART ATV
JUMPER TO PIN 4
(BLACK) TO PIN 8
(BROWN). DOES
ENGINE STOP?
ELECTRICAL
S
Y
CHECK FOR
MINIMUM 6VDC
ON PIN B TO
PIN C
Y
S
AT BACK OF SPEEDO:
Y
CHECK FOR 10- -12
VDC ON PIN A TO PIN
C ON THE 3 PIN CON-
NECTOR?
N
REPLACE
SPEEDO
16 Pin Connector
9. Blue / White- - Engine Overheat Switch
10. N/C
11. N/C
12. Purple / White- - Reverse Gear
13. Green/White- - Neutral
14. White
15. N/C
16. Brown/White- - AWD Control
N
H Measure Harness Side
H
Y
N
REPLACE
SPEEDO
MEASURE
BACK OF
S
SPEEDO
REPLACE
SPEEDO
10.11