Sym JOYMAX 250 - Page 226

11
5. Idle Speed Control (stepping motor):
1). Illustration:
2). Power Source:
By ECU.
3). Check procedure:
1. Electrical resistance examination:
a). Separate the Idle Speed Control coupler (The measurement can also been taken
on the throttle body)
b). Use the resistance mode on the electric meter (as figure 9)
ISCAP
Pin1
ISCBP
Pin2
ISCBN
Pin3
ISCAN
Pin4
Idle Speed Control Stepping Motor
ISC coupler pin identification