Nissan Maxima QX

since 1993 of release

Repair and car operation


Nissan Maxima QX
+ Nissan Maxima brand Cars
+ Maintenance instruction
+ Settings and routine maintenance
+ Engine
+ Systems of cooling, heating
+ Power supply system and release
+ engine Electric equipment
- Control systems of the engine
   General information
   System of onboard diagnostics (OBD) - a principle of functioning and codes of malfunctions
   Removal and RSM installation
   Check of serviceability of a condition, replacement and adjustment of the sensor of provision of a butterfly valve (TPS)
   Check of a condition and replacement of the sensor of measurement of weight of an air stream (MAF)
   Check of a condition and replacement of the sensor of absolute pressure in the pipeline (MAR)
   Check of a condition and replacement of the sensor of temperature of soaked-up air (IAT)
   Check of a condition and replacement of the sensor of temperature of cooling liquid of the engine (eats)
   Check of a condition and replacement of the sensor of provision of a cranked shaft (SKR)
   Check of a condition and replacement of the sensor of provision of a camshaft (SMR)
   Check of a condition and replacement of the sensor switch of pressure in system of hydrostrengthening of a wheel (PSP)
   Check of a condition and replacement of the oxygen sensor (l-probe)
   Check of a condition and replacement of the sensor of a detonation
   Check of a condition and replacement of the sensor of temperature of fuel of speed of movement of the car (VSS)
   Check of a condition and replacement of the sensor of speed of movement of the car (VSS)
   Check of a condition and replacement of components of system of stabilization of turns of idling
   Control system of functioning of the capacity valve
   System of operated ventilation of a case (PCV)
   System of a retsirkulyatsiya of the fulfilled gases (EGR) - the general information, check of a condition and replacement of components
   System of catching of fuel evaporations (EVAP) - the general information, check of a condition and replacement of components
   The catalytic converter - the general information, check of a condition and replacement
+ Transmission
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment




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Check of a condition and replacement of the sensor of speed of movement of the car (VSS)

VSS is established on a case of transmission and represents the sensor with variable magnetic resistance. The sensor develops a sinusoidal signal of the alternating current which frequency is proportional to speed of movement of the car. Information arriving from VSS RSM are used at management of duration of time of opening of injectors of injection of fuel and transmission switching. Besides, VSS is used as a speedometer drive. Failure of the sensor leads to record in memory of OBD of the corresponding codes of malfunction.

CHECK

 PERFORMANCE ORDER

 Serviceability of functioning of VSS can be checked on adequacy of indications of a speedometer.

1. Remove VSS from a transmission case.

2. Connect the voltmeter to two plugs of the sensor and switch a measuring instrument in a mode measurement of an alternating voltage. Start to rotate manually a driving gear wheel of the sensor, - the voltmeter should register a signal amplitude about 0.5 Century.

3. In the absence of alarm tension the sensor is subject to replacement.
4. At positive results described above check check on break electroconducting on a chain site between the VSS socket and an instrument guard (see schemes of electric connections at the end of Head Onboard electric equipment). If electroconducting as it should be, drive away the car on car repair shop for carrying out diagnostics of RSM and performance of the corresponding regenerative repair.

REPLACEMENT

 PERFORMANCE ORDER

1. To Poddomkratta the car also establish it on props.
2. Disconnect from the sensor of speed electroconducting.

3. Having turned out a coupling bolt, weaken a collar and take VSS from transmission.

4. Check a condition of a landing sealing ring of the sensor, in case of need make replacement.

5. Installation is made upside-down.