TRBLSHTG Troubleshooting9-35 69J3D11Active testSelecting this command displays a window where active tests (fully open ISC valve and angle ofISC valve opening) can be selected.WARNINGAvoid clicking the Execute and Cancel buttons repeatedly, otherwise the ECM or PC may notwork properly and they may be damaged.Fig. 44NOTE:The test can be carried out while the engine is running and the shift is in the neutral position. It is notpossible to carry out the test while the boat is running.Fully opening the ISC valve:When the shift is in neutral and the engine is idling, fully open the ISC valve, and then check that theengine speed revs up, and that the intake valves are normal. The operating time is two seconds.WARNINGWhen the ISC valve is fully open the engine speed will increase, therefore do not put the shiftinto gear.Displays keyboard operations.