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 ...