Suzuki AN400 Service Manual page 121

Step
2 1) Turn the ignition switch OFF.
2) Measure the resistance (between terminal B/Lg and
terminal G) and (between terminal P/W and terminal W/
B).
ISC valve resistance
Approx. 80 Ω at 68 °C (Terminal B/Lg – Terminal G)
(Terminal P/W – Terminal W/B)
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
(A)
Is the resistance up?
ACTIVE CONTROL INSPECTION (ISC RPM CONTROL)
Check 1
1) Set up the SDS tool. (Refer to the SDS operation manual for further details.)
2) Check that the engine is running.
3) Click the "Active control".
4) Click the "ISC rpm control".
Action
B/Lg P/W
W/B
G
Engine General Information and Diagnosis:
Yes
If wire is OK,
intermittent trouble or
faulty ECM.
I705H1110090-02
I705H1110091-03
1A-58
No
Replace the ISC valve
with a new one.