The idle speed control motor may fail and possibly damage the engine's engine control unit.
Car Problem Reports
Nissan Maxima Idle Speed Control Motor May Fail and Damage ECU
Nissan Maxima Problem
Average Mileage: 123,450 mi (102,000 mi - 150,000 mi)
Visitor, 2001 Nissan Maxima, 150,000 mi
Gasket failed leaking coolant into IAC valve. Replaced IAC valve and gasket to repair.
2001 would not idle right they replaced the iacv it got fied ...the said the ecm was burned up in turn took out the new iacv replaced the iacv again at the dealers expenses had my ecm re manufured and put it in car worked fine until i drove off the lot then it started having the same problem they said that the ecm now would not relearn after the drove it 20 miles sent ecm back to remanufacture said it my be a chip bad is there something else that can be taking out the emc and or its chips hate to just keep doing this over and over help
Visitor, 2001 Nissan Maxima, 120,000 mi
Replaced IACV, need to replace fried ECU now.
IACV went out fried ECM 1600.00 dallor repair no recall 300.00 dollar part goes out fries 900.00 dollar computer weres the fuze to stop that o guess they forgot