Suzuki GSX-R600 Manual page 195

Step
1 1) Turn the ignition switch OFF.
2) Remove the air cleaner box. Refer to "Air Cleaner Box
Removal and Installation in Section 1D (Page 1D-7)".
3) Check the PAIR control solenoid valve coupler (1) for
loose or poor contacts.
If OK, then measure the PAIR control solenoid valve
resistance.
1
4) Remove the PAIR control solenoid valve. Refer to "PAIR
Control Solenoid Valve Removal and Installation in
Section 1B (Page 1B-9)".
5) Measure the resistance between terminals.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance (Ω)
PAIR control solenoid valve resistance
20 – 24 Ω at 20 – 30 °C (68 – 86 °F)
(Terminal – Terminal)
Is the resistance OK?
Action
I837H1110104-01
(A)
I837H1110105-01
Engine General Information and Diagnosis:
Yes
Go to Step 2.
1A-127
No
Replace the PAIR
control solenoid valve
with a new one. Refer to
"PAIR Control Solenoid
Valve Removal and
Installation in Section
1B (Page 1B-9)".