The engine control unit (ECU) on the 2004 Nissan Maxima controls all the engine's electronic components.

The engine control unit (ECU) on the 2004 Nissan Maxima controls all the engine's electronic components. The Eu also positively monitors numerous sensors inside the engine to identify problems and be sure that the engine is operating at its maximum efficiency. Once the ECU picks up an issue, it stores a trouble code in the memory and fires up the service engine soon (SES) light. AnCar Diagnostic Toolsis needed to totally reset the Maxima's ECU and switch from the SES light.

1

Change the Maxima's transmission into park (automatic) or first gear (manual). Turn off the engine and hang the parking brake. Turn the ignition to the "ON" position try not to start the engine again.

2

Discover the Maxima's diagnostic data port. It's situated beneath the dashboard around the driver's side, just over the pedals.

3

Plug the scan tool's data cable in to the Maxima's diagnostic data port and energy around theAuto Testing Tools. Wait for a scan tool as well up.

4

Choose "ECU" in the tool's primary menu, then choose "Codes." Choose "Obvious all current and saved DTCs." DTC is short for for "diagnostic trouble code."

5

Permit the scan tool to obvious the codes in the ECU's memory. Disconnect the scan tool in the diagnostic data port when the display signifies the codes happen to be removed. Start the engine and verify the SES light isn't illuminated. The Eu continues to be totally reset.

Tips & Alerts

AnBluetooth Scan Toolis really a small computer that connects to some vehicle to be able to contact its on-board computer. Scan tools can be found from auto parts stores and automotive tool merchants.

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