CF MOTO CF500-5B 2009, Service Manual, Page: 231 / 272

11 ELECTR I C SYSTEM
11 - 23
( 13 ) I DLE SPEED CONTROL VALVE ( CARBON TANK CON -
TROL VALVE ) :
CONTROL PASS - BY A I R F LOW . ECU CONTROL THE I DLE
SPEED VALVE ACCORD I NG TO THE I N F ORMAT I ON O F ENG I NE
LOAD , THE ELECTR I CAL PULSE DURAT I ON AND F REQUENCY :
( DUTY RAT I O ) . THE I DLE SPEED VALVE HAS D I FF ERENT A I R
F LOW UNDER D I FF ERENT ORESSURE D I FF ERENCE , SO I T MUST
BE CONNECTED ACCORD I NG TO PRESCR I PT I VE METHOD , OR
ELSE W I LL CAUSE I NCORRECT I DLE SPEED , WHEN W I THOUT
ELECTR I CAL PULSE , I DLE SPEED VALVE CLOSE .
F UNCT I ON O F P I NS :
1 . CONNECT P I N 17 ;
2 . CONNECT O I L PUMPRELAY OUTLET END ;
THE R I GHT I S THE W I R I NG D I AGRAM F OR I D L E
SPEED VALVE AND ECU .
!
WHEN F I X I NG THE I DLE SPEED CONTROL VALVE , I T CANNOT
BE I NSTALLED L I KE THE R I GHT D I AGRAM ( CONNECTOR
VERT I CA L L Y DOWNWARD ) TO AVO I D DESTROY THE
ELECTRON I C COMPONENT .
!
TO AVO I D SOL I D - BORNE SOUND TRANSM I SS I ON , YOU CAN
I NSTALL THE I DLE A I R CONTROL VALVE SUSPENDED I N THE
TUBE , OR USE RUBBER BOOT TO F I X I T TO THE ENG I NE OR THE
F RAME .
I DLE SPEED CONTROL VALVE PARAMETER L I ST :