volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Engine Control Module|Testing and Inspection > < Diagram Information and Instructions|Page 6892
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the idle control valve, and or to the injectors.  This allows the electronic control unit to correct the idle speed, or injector pulse width for break-in
wear or slight air leaks which might occur in the systems.

If power is interrupted to the control unit, new adaptation takes place within several minutes of engine operation.

Engine Control Module|Testing and Inspection > < Diagram Information and Instructions|Page 6892