Suzuki GSX-R600 Manual page 187

Step
2 5) Turn the ignition switch ON.
6) Measure the voltage between the R wire and ground.
7) If OK, then measure the voltage between the R wire and
B/Br wire.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Voltage ( )
EXCVA position sensor input voltage
4.5 – 5.5 V
((+) terminal: R – (–) terminal: Ground)
((+) terminal: R – (–) terminal: B/Br)
(A)
Is the voltage OK?
Action
V
Engine General Information and Diagnosis:
Yes
Go to Step 3.
I823H1110161-02
1A-119
No
• Loose or poor
contacts on the ECM
coupler (terminal "7"
or "35").
• Open or short circuit
in the R or B/Br wire.