1A-100 Engine General Information and Diagnosis:
ACTIVE CONTROL INSPECTION (ISC RPM
CONTROL)
Check 1
1) Set up the SDS tool. (Refer to the SDS operation
manual for further details.)
2) Check that the engine is running.
3) Click the “Active control”.
4) Click the “ISC rpm control” (1).
5) Check that the “Spec” (2) is idle speed 1 300 ± 100
rpm.
6) Check that the “Desired idle speed” (3) is within the
specified idle rpm.
Check 2
1) Click the button (4) and decrease the “Spec” (2) to 1
100 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 (5) in the ISC valve position
decreases.
3) Click the button (6) 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.
Check 3
1) Click the button (6) and increase the “Spec” (2) to 1
500 rpm slowly.
2) 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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