The idle speed control motor may fail and possibly damage the engine's engine control unit.Google+
Car Problem Reports
Nissan Maxima Idle Speed Control Motor May Fail and Damage ECU
Nissan Maxima Problem
Average Mileage: 158,184 mi (98,560 mi - 234,000 mi)
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, 187,000 mi
Car would start but would not idle, immediately shut off. Replaced throttle motor which kept car running but idling high 1250-1750 RPMs. Have not solved issue yet.
Visitor, 2001 Nissan Maxima, 169,000 mi
Have had to replace ECMotor and ECComputer
Visitor, 2001 Nissan Maxima, 120,000 mi
Replaced IACV, need to replace fried ECU now.
Visitor, 2001 Nissan Maxima, 150,000 mi
Gasket failed leaking coolant into IAC valve. Replaced IAC valve and gasket to repair.
Visitor, 2001 Nissan Maxima, 197,654 mi
Car died while at a stop. Noticed a burnt smell.
Engine would start but die once in gear. Iac failure an ecu burnt!
Check engine light on. Idles high.
Visitor, 2000 Nissan Maxima, 121,000 mi
The Idle Speed Control Motor Failed and damaged the ECU & the throttle chamber
Visitor, 2000 Nissan Maxima, 230,000 mi
Check engine light on and drivability issue. Hard to start, had to give gas and turn the key a the same time to start.t
Visitor, 2001 Nissan Maxima, 98,560 mi
It keeps doing it. This is the third time that the ECU has to be changed