Jeep Grand Cherokee

1993-1999 of release

Repair and operation of the car



Jeep Grand Cherokee
+ Cars of the Jeep Grand Cherokee brand
+ Settings and routine maintenance
+ Line six-cylinder engine
+ V8 engine
+ Procedures of the general and capital repairs of the engine
+ Cooling systems, heating and air conditioning
+ A power supply system and production of the fulfilled gases
+ System of electric equipment of the engine
+ Systems of decrease in toxicity of the fulfilled gases and engine management
+ Manual box of gear shifting
+ Automatic transmission
+ Transfer case
+ Coupling and transmission line
+ Brake system
+ Suspension bracket and steering
+ Body
- System of onboard electric equipment
   General information
   Diagnostics of malfunctions of electric equipment of the chassis - the general information
   Safety locks - the general information
   Fusible inserts - the general information
   Chain breakers (thermal relays) - the general information
   The relay - the general information
   Check of a state and replacement of the breaker of indexes of turn / alarm system
   Check of serviceability of functioning and replacement of the universal understeering switch
   Check of a state and replacement of the switch of the ignition/cylinder of the lock
   Check of serviceability of functioning of the switch of heating of glass of a door of a back
   Check of a state and repair of a heater of glass of a door of a back
   Replacement of lamps of head headlights
   Adjustment of provision of head block headlights
   Removal and installation of cases of head block headlights
   Replacement of lamps
   Removal and installation of switches of head headlights and screen wiper of a window of a door of a back
   Removal and installation of the radio tape recorder and loudspeakers
   Removal and installation of the antenna
   Check of functioning and replacement of the motor of screen wipers
   Removal and installation of a combination of devices
   Check of functioning and replacement of a horn
   Description of the principle of functioning and diagnostics of a control system of the speed (tempostat)
   Description of the principle of action and diagnostics of the electric drive of lowering lifting of glasses
   The principle of functioning and check of the central lock and system of opening of doors without key
   Principle of action and check of serviceability of the electric drive of change of provision of seats
   Principle of action and check of serviceability of the electric drive of mirrors back look
   Safety cushion - the general information
   Electric circuits - the general information
   Arrangement and purpose of the relay and safety locks
+ Governing bodies and methods of operation



The principle of functioning and check of the central lock and system of opening of doors without key

The central lock puts actuation mechanisms of locks of each of doors in action. The system consists of switches, actuation mechanisms, the relay and connecting conducting. Diagnostics of malfunctions of system is usually limited to the simplest checks of a condition of contacts of conducting and actuation mechanisms during which performance repair of insignificant and easily removable damages can be made.

Control of the drive of the central lock is usually exercised by means of the bipolar electromagnets placed in the doorway of the car. Switches of the lock can be installed in one or the other provisions - Is closed and Is opened. Switching of these switches leads to activation of the relay connecting food to electromagnets of blocking of doors. Depending on a way of turning on of the relay polarity of tension changes, providing corresponding change of provision of a latch of the lock.

Some models can be equipped with the anticreeping system which is built in the scheme of the central lock. If you do not manage to establish independently a cause of failure by carrying out a number of the general checks, address for consultation in dealer office of the Chrysler company.

 PERFORMANCE ORDER

  1. Always first of all check protection of a chain. On these models the power supply from the battery moves in system through the mini-safety lock on 20 And (F-1) located in PDC in a motive compartment and 15 A safety lock (No. 8) in the assembly block.
  2. At the switched-off engine to a popereklyuchayta switches of locks of doors in both directions (It is opened - It is closed). Relays at the same time have to publish well distinguishable clicks.

Location of the relay of locks of a door.

  1. If clicks are not heard, check existence of food on switches. If food is absent, check conducting between switches and the assembly block of safety locks for existence of breaks and short circuit.
  2. If tension takes place, but relays do not publish clicks, check conductivity of the switch. If conductivity is absent in both provisions of the switch, replace the last.
  3. If the switch has serviceable conductivity, but relays do not click, check integrity of conducting between the relay and the switch. In case of need make recovery repair or replacement.
  4. If the relay receives alarm tension from the switch, but does not transfer the command for electromagnets whether check grounding of the case of the relay is broken, in case of need replace the relay.
  5. If all electromagnets except one function, remove the panel of an internal upholstery of the corresponding door (Head Kuzov) and check whether food on a magnet when switchings the switch moves. At one of wires tension has to be present at position of the switch Is closed, on another - at situation Is opened.
  6. If tension takes place, replace an electromagnet.
  7. If tension is absent, check conducting between an electromagnet and the relay for existence of breaks and short circuit.

Conducting is in the habit to fray on the site between a body and a door (during opening closing of the last).

System of opening of a door without key

The system consists of the remote control unit (radiator) which sends the coded signal in the infrared range to the receiver located in the top (ceiling) console or the case of the lamp and turns on the drive of the central lock.

 PERFORMANCE ORDER

  1. You make replacement of batteries of a radiator at refusal of inclusion of a light-emitting diode on a wall of its case at a button nazhimaniye.
  2. Halves of the case of a radiator can be divided carefully having hooked them the screw-driver.
  1. For division of halves of the case of the remote control unit of the lock of a door use the screw-driver.
  1. Replace two lithium CR1616 batteries of 3 V everyone.
  1. Replace lithium batteries (shooter).
  1. Densely squeeze radiator case halves.