Nissan Maxima QX

since 1993 release

Repair and operation of the car


Nissan Maxima QX
+ Cars of the Nissan Maxima brand
+ Maintenance instruction
+ Settings and routine maintenance
+ Engine
+ Cooling systems, heating
+ Power supply system and release
+ Engine electric equipment
+ Control systems of the engine
- Transmission
   + 5-staged manual box of gear shifting (MBGS)
   - 4-staged automatic transmission (AT)
      General information
      Failure diagnostics of AT/CVT - the general information
      Check, adjustment and replacement of a cable of gear shifting
      Removal and installation of the lever of the AT selector
      System of blocking of switching of transmission - the general information, check of a state and replacement of components
      Check, replacement and adjustment of the sensor switch of permission of start
      Removal and installation of automatic transmission
      Capital repairs of AT
+ Coupling and power shafts
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment






Check, replacement and adjustment of the sensor switch of permission of start

Existence of this sensor switch provides a possibility of performance of start of the engine only in two provisions of transmission: "Р" and "N". If start of the engine is carried out in any, excellent from stipulated, position of the lever of the selector, it is necessary to make adjustment of the sensor switch. Besides, the sensor switch of permission of start acts as the information sensor, informing an electronic control unit transmission inclusion of provisions "P" and "N" AT.

CHECK

 PERFORMANCE ORDER

1. Disunite contact sockets of the sensor switch of permission of starts/fires of a backing and start performance of checks:

a) At the lever of the selector transferred to situation "P" conductivity between plugs 1 and 2 and 3 and 4 of sockets has to take place;
b) Conductivity has to be present at position "R" of the lever between plugs 3 and 5;
c) In situation "N" - between plugs 1 and 2 and 3 and 6;
d) In situation "D" - between plugs 3 and 7;
e) In situation "2" - between plugs 3 and 8;
f) In situation "1" - between plugs 3 and 9.

2. At negative results of the check described above disconnect a driving cable of management of gear shifting from the hand lever of switching, then repeat checking procedure:

a) If this time the sensor switch begins to work regularly, restore initial connection of a cable, adjust it and repeat check;
b) If correctness of distribution of provodimost between plugs of sockets still remains broken, remove the sensor switch from transmission and make check it on a workbench;
c) If the sensor switch works at a workbench regularly, establish it into place and adjust (see below);
d) The faulty sensor switch is subject to replacement.

ADJUSTMENT

 PERFORMANCE ORDER

1. Disconnect a switching drive cable from the hand lever (see the Section Check, adjustment and replacement of a cable of gear shifting). Weaken screws of fastening of the sensor switch, transfer the hand lever to situation "N" and pass a core with a diameter of 3.9 mm through adjusting openings in the lever and the sensor switch.

2. Repeat check of distribution of provodimost (see above). At negative results of check replace the sensor switch.

REPLACEMENT

 PERFORMANCE ORDER

1. Disconnect a negative wire from the battery.

 If the stereosystem established on the car is equipped with a security code before disconnecting the battery make sure that you have the correct combination for input of the audio system in action!

2. Switch transmission to situation "N".
3. Disconnect an electrical wiring from the sensor switch.
4. Turn out fixing screws and remove the sensor switch.
5. At installation final tightening of fixture is made after performance of adjustment of the sensor switch.











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