Nissan Altima 2007-2012 Service Manual: Function diagnosis

Preparation
Special Service Tool The actual shape of the Kent-Moore tools may differ from those tools illustrated here. Commercial Service Tool ...

Cooling system
Cooling Circuit 1. Thermostat 2. Water control valve 3. Water control valve housing (Water outlet) 4. Cylinder block (Thermostat housing) 5. Water inlet 6. Radiator 7. Water pump 8. Cylinder ...

Other materials:

Changing engine oil
QR25DE engine 1. Park the vehicle on a level surface and apply the parking brake. 2. Start the engine and let it idle until it reaches operating temperature, then turn it off. 3. Remove the oil filler cap A by turning it counterclockwise. 4. Place a large drain pan under the drain plug B . ...

DLC branch line circuit
Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the terminals and connectors of the data link connector for damage, bend and loose connection (connector side and harness side) ...

P0125 ECT Sensor
Description The engine coolant temperature sensor is used to detect the engine coolant temperature. The sensor modifies a voltage signal from the ECM. The modified signal returns to the ECM as the engine coolant temperature input. The sensor uses a thermistor which is sensitive to the change i ...