ECU is located in the floor under the radio console. It has two 10mm bolts in front and a 10mm bolt in the plug also you have to unplug the green relay located on the top of the ECU.
The ECU part for this car runs $150 to $300. To replace it, it can run the cost up another $100 to $200 if a person does the replacement at a shop.
The 2.5L in a 2003 Nissan Sentra has 4 coils, one for each cylinder, and the power is 'sent' by the ECU from the Power Distribution box.
The 2.5L in a 2003 Nissan Sentra has 4 coils, one for each cylinder, and the power is 'sent' by the ECU from the Power Distribution box.
righthand side firewall behaind the strut bar.....
the part numbers should be on a sticker on top of the unit itself
The ECU (Engine Control Unit) on a 1998 Nissan Sentra is typically located under the dashboard on the driver's side, near the steering column. It may be mounted on the firewall or behind the kick panel. To access it, you may need to remove the lower dash cover and the kick panel trim.
Have a 2000 sentra se 5spd the ecu is located in the engine compartment on the passanger side firewall. 3 screws 10mm good luck trying to get it out though! Im still trying..lol
To reset the ECU of a 2003 Nissan Sentra GX, disconnect the negative battery terminal and wait for about 10-15 minutes to allow the system to reset. After that, reconnect the battery terminal. Start the vehicle and allow it to idle for a few minutes, which helps the ECU recalibrate. If you have any persistent issues, consider using an OBD-II scanner to clear any stored trouble codes.
Ecu is probly it the chance that two coils to go bad at the same time is not likely yet possible
To reset the ECU in a 1992 Nissan 240SX, first, disconnect the negative battery terminal and wait for about 15 minutes to ensure all residual power is drained. Then, reconnect the negative terminal. This process will clear any stored trouble codes and reset the ECU settings. If needed, you can also remove the ECU fuse for a few minutes as an alternative method.
The ECU is located below the cowl cover on the right side of the firewall.
the ecu should be under the carpet on the passenger side. unplug the old one and plug in the new!