Suzuki VLR1800, Service Manual

Page: 169 / 624

Engine General Information and Diagnosis: 1A-100
4 8) Then, to set the EXCV to fully opened position, apply 12
V to the terminals oppositely.
Positive wire – Gr wire terminal
Negative wire – P wire terminal
9) Measure the EXCVA position sensor output voltage at
EXCV fully opened position.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Voltage (
)
EXCVA position sensor output voltage
EXCV is fully opened: 3.5 – 4.5 V
((+) Y – (–) W)
Is the voltage OK?
Replace the ECM with a
known good one, and
inspect it again. Go to Step 5.
Step Action Yes No
I822H1110115-01
(A)
(B)
I822H1110116-01