Suzuki VZR1800 2007 Service Manual page 275

5-74 FI SYSTEM DIAGNOSIS
Check 2
1) Click the button 1 and decrease the "Spec" 2 to 800 rpm
slowly.
2) Check that the "Desired idle speed" 3 is nearly equal to the
"Spec" 2. At the same time, check that the number of steps
in the ISC valve position decreases
3) Click the button 4 and increase the "Spec" 2 slowly.
4) Check that the "Desired idle speed" 3 is nearly equal to the
"Spec" 2. Also, check that the number of steps 5 in the ISC
valve position increases
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