Engine Control Module (ECM)
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 Nissan Xterra, 2000 Nissan Sentra, 2000 Nissan Quest, 2000 Nissan Pathfinder, and 2000 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
ECM consists of a microcomputer, diagnostic mode selector, connectors and wiring for voltage signal input, voltage signal output, and power supply. Unit is not serviceable and should not be opened. ECM contains memory and logic circuits, enabling it to interpret sensor inputs and control various engine systems. To locate ECM, see ECM LOCATIONS table.
ECM LOCATIONS
| Application | Location |
|---|---|
| Altima & Maxima | Under Dash, Behind Center Console |
| Frontier, Pathfinder & Xterra | Under Center Of Instrument Panel |
| Quest | Behind Glove Box |
| Sentra | Right Rear Of Engine Compartment, In ECM Box |