Nissan Altima 2007-2012 Service Manual: Function diagnosis

Inspection and adjustment
Description & Conditions DESCRIPTION The purpose of the operational check is to confirm that the system operates properly. CONDITIONS: • Engine running and at normal operation temperature. ...

Function information
Component Part Location ENGINE COMPARTMENT 1. A/C compressor F3 2. Refrigerant pressure sensor E219 3. A/C relay (internal to IPDM E/R) 1. A/C compressor F3 2. Refrigerant pressure sensor E ...

Other materials:

P0300, P0301, P0302, P0303, P0304, P0305, P0306 Misfire
DTC Logic DTC DETECTION LOGIC When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the crankshaft position (CKP) sensor (POS) signal to vary, ECM can determine that a misfire is occurring. The misfire detection logic consists of the following t ...

Body sealing
Description The following figure shows the areas which are sealed at the factory. Sealant which has been applied to these areas should be smooth and free from cuts or gaps. Care should be taken not to apply an excess amount of sealant and not to allow other unaffected parts to come into conta ...

P0116 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 ...