Opel Vectra A
since 1988-1995 release
Repair and operation of the car
Vektr's Opel And
+ 1. Maintenance instruction
+ 1.1 Maintenance
+ 2. Engine
+ 3. Repair of DOHC engines
+ 4. Repair of the diesel engine
+ 5. Cooling system
+ 6. Fuel system
+ 7. The fuel and exhaust system of models with system of injection of fuel
+ 8. Exhaust system and system of decrease in toxicity of exhaust gases
+ 9. Fuel systems of the diesel engine
+ 10. Engine electrical systems
+ 11. Transmission
+ 12. Mechanical transmission
- 13. Automatic transmission
13.2. General information
13.3. Replacement of transmission liquid
13.4. Adjustment of the mechanism of compulsory inclusion of a low gear
13.5. Mechanism of compulsory inclusion of a low gear
13.6. Switch of blocking of a starter
13.7. Adjustment of a cable of gear shifting
13.8. Gear shifting cable
13.9. Selector lever
13:10. Central console
13:11. Submode switches
13:12. Electronic control device (ECU)
13:13. Replacement of a lamp of illumination of the panel of the lever of the selector
13:14. Hoses and tubes of a radiator of cooling of transmission liquid
13:15. Replacement of sealing rings of differential
13:16. Sensor of temperature of transmission liquid
13:17. Sensors of speed of rotation of entrance and output shaft
13:18. Removal and installation of the automatic transmission
+ 14. Power shafts
+ 15. Brake system
+ 16. Suspension bracket
+ 17. Body
+ 18. Electric equipment
+ 19. Check of malfunctions
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Automatic AF 14/20 transmission
The flowchart of control of the automatic AF14/20 transmission with a control system of the Motronic engine
The four-stage automatic transmission I eat management with electronic consists of the hydrotransformer, two epycyclic tooth gearings and hydraulically the operated coupling and brakes.
The torque from the engine to the transmission is transmitted through a gidrotransfor the motor which performs function of liquid coupling and operates as automatic coupling, also provides torque transmission at acceleration.
Liquid in the automatic transmission is cooled with a radiator of transmission liquid which is established near a big radiator.
I eat electric management of switching transfers involves the mechanism of blocking of gear wheels of the third and fourth transfer and carries out the choice from several modes and the submodes of the movement depending on road conditions and at the request of the driver.
Gear shifting is made by the electronic control device (ECU) on the basis of information from sensors of temperature of transmission liquid, speed of rotation of entrance and output shaft of the transmission, temperature of cooling liquid, the provision of a pedal of an accelerator, etc. and changes depending on the set mode of the movement (see rice. The flowchart of management автоматичес, which the AF14/20 transmission with a control system of the Motronic engine). The ECU block is located behind a ware box or behind the side panel of finishing in deepening for the driver's legs.
The ECU block makes control of the automatic transmission of four electromagnetic blocks which, regulating pressure of liquid, a rekey ют transfers (electromagnetic blocks 1 and 2), or operate coupling гидротран a sformator (the electromagnetic block 3), or regulate liquid pressure depending on the provision of a butterfly valve (the electromagnetic block 4).
For smooth gear shifting, during switching, the ECU block reduces a corner of an advancing of ignition and switches off the conditioner. In the ECU block there is a function of self-diagnostics which with malfunctions in system includes a control bulb.
At installation of the lever of the selector in situation D use of the following submodes is possible.The "economic" submode joins at start of the engine. At the same time on a combination of devices the control lamp which then is switched off lights up. On this submode the transmission uses all four transfers forward, including the accelerating fourth transfer. Gear shifting is made for ensuring smoothness of the movement on low turns of the engine. The "sports" submode joins after pressing of the button S located in the top part of the lever of the selector. At the same time the control lamp on a combination of devices lights up. In the mode S электричес Kim is blocked in the way inclusion of the fourth transfer, and gear shifting happens at higher turns of the engine. For switching off of the sports mode repeatedly press the button or switch off and repeatedly include ignition, or make active system of self-diagnostics, or switch in the winter submode.
The "winter" submode joins pressing of the button with a snowflake symbol located in the selector lever basis. The winter submode blocks inclusion of the first and second transfer in order that the car could start smoothly on the third transfer on the slippery road. For transition to the economic submode repeatedly press the button or move the selector lever to other situation, or switch off and repeatedly include ignition, or hold a pedal of an accelerator pressed against the stop during more than 2 sec., or make active system of self-diagnostics, or increase car speed to 80 km/h.The automatic transmission and the control unit is very difficult units, but at the correct operation service life of the transmission will be long. Repair of the automatic transmission cannot be made even at most Opel service stations, however, using the special equipment, it is possible to diagnose electric system of the control unit.
On models with the X20 XEV engine the upgraded ECU block which prevents switching of the mode D in the mode 3 at a speed over 194 km/h is installed.