Suzuki GSX1300BK B-King Service Manual page 188

Step
3 1) Turn the ignition switch OFF.
2) Check the continuity between Y wire and ground.
EXCVA position sensor continuity
(Infinity)
3) If OK, then measure the EXCVA position sensor
resistance.
4) Connect the EXCVA position sensor coupler and set the
EXCVA to adjustment position. Refer to "EXCV Cable
Removal and Installation in Section 1K (Page 1K-5)".
5) Disconnect the EXCVA position sensor coupler and
measure the resistance (between Y and W wires).
Special tool
(A): 09900–25008 (Multi-circuit tester set)
Tester knob indication
Resistance ( )
EXCVA position sensor resistance at adjustment
position
Approx. 3.1 k
((+) Y – (–) W)
Is the resistance OK?
Action
(A)
I823H1110162-01
(A)
I823H1110163-01
Engine General Information and Diagnosis:
Yes
Go to Step 4.
1A-117
No
Replace the EXCVA
with a new one.