Kia Clarus/Credos

1995-2001 of release

Repair and car operation

KIA Klarus
1.1. Periodicity of maintenance
+ 2. FE DOHC engines and Т8 DOHC
+ 3. Greasing system
+ 4. Cooling system
+ 5. Power supply system and release
+ 6. Fuel system
+ 7. Ignition system
+ 8. Coupling
+ 9. Mechanical transmission
- 10. АКП G4A–EL
   10.1. Specifications
   10.2. Search and determination of malfunctions
   10.3. Table of fast diagnostics
   10.4. Self-diagnostics system
   10.5. Codes of malfunctions
   10.6. Diagnostic socket
   10.7. Postrepair operation
   10.8. Testing of collaboration of an automatic transmission and the engine on the motionless car
   10.9. Testing for delay time
   10.10. Testing of pressure of transmission liquid
   10.11. Testing for the pressure reduced by the valve
   10.12. Check of level and a liquid condition in an automatic transmission
   10.13. Leakages of liquid from an automatic transmission
   10.14. Cable of a drive of a butterfly valve
   10.15. Mode switch
   10.16. Switch of stoplights
   10.17. Sensor of temperature of transmission ATF liquid
   10.18. Check of resistance of the generator of impulses
   10.19. Electromagnetic valves
   10.20. Removal of an automatic transmission
   10.21. General recommendations about transmission dismantling
   10.22. Dismantling of an automatic transmission
   10.23. Check and adjustment of preliminary loading of bearings
   10.24. Assembly of an automatic transmission
   10.25. Installation of an automatic transmission
   10.26. Oil radiator
   10.27. Driving disk
   10.28. Check of work and adjustment of position of the lever of the selector
   10.29. Selector lever
   10.30. Repair of the lever of the selector
+ 11. АКП 50–40 LE
+ 12. Axes and power shafts
+ 13. Steering
+ 14. Wheels and tires
+ 15. Suspension bracket
+ 16. Body
+ 17. Central air
+ 18. Electric equipment
+ 19. Brake system
+ 20. Electric circuits

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10.2. Search and determination of malfunctions


Problems with an automatic transmission can be connected with the engine, the control unit an automatic transmission or with hydraulic or electronic control systems.

Search of malfunctions begin with those places which can be quickly and are easily checked.

The recommended sequence of search is described below.

Step 1: Self-diagnostics

When using a tester of KJ-1 check codes of service which are written down in the control unit of an automatic transmission.


Codes of service are displayed by means of a blinking of a bulb of indication of malfunction (a mode of keeping of transfer) when grounding DGI socket as it is shown in drawing.

Step 2: Check of an electric signal

When using a tester of KJ-1 check entrance and target signals of the control unit an automatic transmission.


Signals can be checked also tension measurement by the voltmeter on sockets of the control unit of an automatic transmission.

Step 3: Check of mechanical system

Check values of critical speed of the engine, time of delay, pressure to lines and pressure of a butterfly valve.

Step 4: Road tests


To carry out authentic tests of speed of the car, speed of the engine, butterfly valve opening (tension of the sensor of provision of a zaslonka) and the provision of gear wheels, for their check use KJ–1 tester.

Check points of switching of transfer, their sequence and shock loadings when switching.

After check of each of the specified points it is necessary to find the reason of emergence of malfunction. For acceleration of searches use the table of fast diagnostics.

In this table 24 possible reasons of emergence of a problem that accelerates troubleshooting are specified; check only these possible reasons by search and malfunction elimination.