Nissan Sentra Service Manual: Ecu diagnosis information

System description

Component parts Component parts location Instrument lower finisher Eco mode switch The eco mode switch is installed to the instrument lower finisher. When the ECO mode indicator lamp ...

Wiring diagram

Eco mode system Wiring Diagram ...

Other materials:

The ambient temperature display is incorrect
Description The displayed outside air temperature is higher than the actual temperature. The displayed outside air temperature is lower than the actual temperature. Outside air temperature is not indicated. Diagnosis procedure 1.Check ambient sensor signal circuit Check the ambie ...

Diagnosis description : malfunction indicator lamp (MIL)
When emission-related ECU detects a malfunction in the emission control systems components and/or the powertrain control components (which affect vehicle emissions), it turns on/blinks MIL to inform the driver that a malfunction has been detected. The MIL illuminates when ignition switch is t ...

Ecm branch line circuit
Diagnosis procedure 1.Check connector Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Check the terminals and connectors of the ECM for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? Yes > ...