APRILIA MSS Mana GT ABS, Service Station Manual

Page: 106 / 394

Throttle body
THROTTLE BODY
•
Function
To tell the position of the throttle to the throttle
control unit.
Operation / Operating principle
The throttle position sensor works as a variable
resistance according to the throttle rotation.
Level in wiring diagram: Throttle and idle motor
Location:
•
on the vehicle: on the intake manifold
•
connector: on the throttle body
Electrical characteristics:
•
PINS A-C: throttle closed approximate-
ly 2.5 kOhm; throttle open approxi-
mately 1.5 kOhm.
•
PINS A-B: approximately 1.1 kOhm.
Pin-out:
•
A - Ground connection
•
B - Supply v 5V
•
C - Potentiometer signal
THE CONNECTION DIAGRAMS ARE IN THE ELECTRICAL SYSTEM SECTIONS; PAY ATTENTION
TO THESE DIAGRAMS AS THEY SHOW THE CONNECTOR/COMPONENT AS VIEWED FROM
THE CABLE HARNESS SIDE, THAT IS LOOKING AT THE CABLES WHEN GOING OUT OF THE
"MAIN" CABLE HARNESS AND INTO THE CONNECTOR/COMPONENT.
CAUTION
BEFORE CARRYING OUT ANY TROUBLESHOOTING, CAREFULLY READ THE GENERAL TROU-
BLESHOOTING CONCEPTS FOR ELECTRICAL DEVICES AT THE BEGINNING OF THE CHECK
AND CONTROL SECTION IN THE ELECTRICAL SYSTEM CHAPTER.
AXONE: FUEL INJECTION SYSTEM
PARAMETERS
Throttle
Example value: 4.9°
STATUSES
Throttle position
Example value: Released/Pressed
It indicates if the throttle potentiometer is open or closed in the released position.
ADJUSTABLE PARAMETERS
Electrical system
MSS Mana GT ABS
ELE SYS - 106