Automatic transmission — general information (2WD) Note: - the automatic transmission type is given on an aluminum plate located on the rear wall of the engine compartment. - operation of automatic transmission, replacement of fluids in automatic transmission, main gear...
Planetary gearbox (2WD) The planetary gearbox contains three planetary gear sets, three lockup clutches, four brakes and three freewheels. Power from the engine through the torque converter is transmitted to the input shaft of the planetary...
Hydraulic part of the control system (2WD) The control system includes: pump, valve block, solenoid valves (solenoids), hydraulic accumulators, clutches and brakes. The main pressure in the system is created by a pump, it is regulated depending on the load and...
Automatic transmission — general information (A540N) The A540H automatic transmission consists of a torque converter with a lock-up clutch, a 3-speed planetary gearbox with an overdrive planetary gear set, a transfer case and a control system consisting of hydraulic and...
Planetary gearbox (A540N) The planetary gearbox contains three planetary gear sets, three lockup clutches, four brakes and three freewheels. Power from the engine through the torque converter is transmitted to the input shaft of the planetary...
Hydraulic part of the control system (A540N) Transmission The control system includes: oil pump, valve block, solenoid valves (solenoids), hydraulic accumulators, blocking clutches and brakes. The main pressure in the system is created by the oil pump, it is...
Checking and adjusting the throttle control cable Note: check the fluid level in the automatic transmission and the oil level in the transfer case (verification is given in " Maintenance "). 1. Press the accelerator pedal all the way down and make sure that the control...
Checking and adjusting the automatic transmission control rod 1. When translating the selector from position "N" to other positions, it should move freely and the indicator should indicate the selected position correctly. If the indicator does not show the selected position...
Check and adjustment of the switch of prohibition of start of the engine 1. Make sure that the engine can only be started when the selector is in the "N" or "R". 2. If the engine can be started in other positions, then adjust the engine start inhibit switch. A) Loosen the bolts of the start...
Checking the idle speed (range N) Check idle speed in selector position "N" and the air conditioner turned off. Idle speed: Except A241L - 650-750 rpm A241L - 750-850 rpm
Checkpoint diagnostics Note: - malfunctions that occur in the gearbox can be associated either with the engine, or with the control system, or with the gearbox itself. Therefore, before starting the check, it is necessary to determine the...
Self-diagnosis system (A241E, A245E and A540H) — general information 1. The self-diagnosis function is built into the automatic transmission electronic control unit. Using the overdrive indicator, the system informs about a malfunction that has occurred in the automatic transmission. In...
Checking the overdrive off indicator 1. Turn on the ignition. 2. The indicator should be on when the overdrive switch is in the position "OFF". 3. Move the overdrive switch to the "ON": The indicator should turn off. If the indicator flashes, then this is...
Reading trouble codes 1. Turn on the ignition and set the overdrive switch to "ON". Attention: do not start the engine. Table. Fault codes. A241E, A245E (until 1994) Note: codes 62, 63, 64, 68 indicate a malfunction in the electrical part of...
Resetting trouble codes 1. After the repair, clear the memory of the automatic transmission control unit from the fault codes that are stored there. To do this, remove the fuse "EFI" for 10 seconds or more depending on the ambient temperature...
Gear shift check Note: This check allows you to determine if the cause of the malfunction is an electrical or mechanical problem in the transmission. 1. Disconnect the solenoid valve connector. A245E before 1994, A241E A245E A540N 2....
Electrical elements (A241L) 1. Check the start inhibit switch. Check the continuity between the connector pins indicated in the table. 2. Check the overdrive solenoid valve. A) Disconnect the solenoid valve connector. b) Measure resistance between...
Checking the selector lock 1. Turn the ignition key to the burning position "ON". 2. Move the selector to position "R" and release the selector lock. 3. Make sure the selector is locked in this position. 4. Keeping a brake pedal pressed, be...
Ignition key lock check 1. Turn the ignition key to position "ACC". 2. Unlock the selector by pressing the button and move the selector to any position except "R". 3. Make sure the ignition key cannot be turned to "LOCK". 4. Move the selector...
Checking the selector release solenoid valve 1. Disconnect the solenoid valve connector and verify that the solenoid is activated when battery voltage is applied to the SLS+ terminals (+12 V) and SLS- (-12 V). Note: test in a short period of time.
Checking the ignition key lock solenoid valve 1. Disconnect the solenoid valve connector and verify that the valve operates when battery voltage is applied to the KLS+ terminals (+12 V) and KLS- (-12 V). Note: test in a short period of time.
Selector lock system device 1 - ignition key lock solenoid valve, 2 - brake light switch, 3 - selector unlock switch, 4 - selector release solenoid valve, 5 - selector lock control unit switch, 6 - selector lock control unit.
Checking the selector lever unlock switch 1. Disconnect the switch connector and check the continuity between the connector pins indicated in the table. If there is no continuity between the indicated terminals, replace the selector release switch.
Checking the selector lock control unit 1. Make sure that the voltage at the terminals of the control unit connectors corresponds to the values indicated in the table " Voltage at the connector terminals of the selector lock control unit ". Note: Please make...
Checking the transfer time If, with the engine idling, move the selector to the position "D" or "R", some time must elapse before the transmission is switched on. By the magnitude of this delay, one can judge the health of the gearbox elements....
Main line pressure check (hydraulic test) 1. Preparation: A) Warm up the transmission fluid to operating temperature (50-80°C). b) Unscrew the service plug of the gearbox housing and connect a pressure gauge in its place. Attention: the pressure test should...
Checking Speed Regulator Pressure (A241L) 1. Warm up the automatic transmission to operating temperature (50-80°C). 2. Jack up the car. Table. Line pressure (A540N until 1994) 3. Unscrew the plug of the channel of the high-speed regulator and install a pressure...
Center Differential Lock Clutch Test (A540N until 1994) 1. Preparation: A) Warm up the transmission fluid to operating temperature (50-80°C). b) Unscrew the service plug of the gearbox housing and connect a pressure gauge in its place. Set the parking brake and chock the...
Center Differential Lock Clutch Test (A540N since 1994) 1. Preparation: A) Warm up the transmission fluid to operating temperature (50-80°C). b) Unscrew the service plug of the gearbox housing and connect a pressure gauge in its place. Attention: carry out the check with two...
Road test Note: before starting the test, warm up the automatic transmission fluid to a temperature of 50-80°C. Range check "D" Translate the selector to a range "D" and depress the accelerator pedal all the way. 1. Check the...
Throttle valve control cable — removal and installation (A540N) Note: install in the reverse order of removal. 1. Wash the outer surfaces of the gearbox housing. 2. Unscrew the drain plug and drain the working fluid into a suitable container. Tightening torque - 50 Nm 3. Turn away...
Throttle valve control cable device A241L, A241E, A245E 1 - spring washer, 2 - the lever of the engine start prohibition switch, 3 - washer, 4 - start inhibit switch, 5 - bolt, 6 - bracket, 7 - latch, 8 - gasket, 9 - magnet, 10 - engine protection cover,...
Filter replacement 1. Wash the outer surfaces of the gearbox housing. 2. Unscrew the drain plug and drain the working fluid into a suitable container. Torque: A241L, A241E, A245E - 18 Nm A540N - 50 NM A540N Except A540H 3. Turn away bolts...
Replacement of power shaft seals Removing 1. Remove the left and right drive shafts (see chapter " Drive shafts "). 2. (In addition to the oil seal of the right drive shaft А540Н) Remove the left and right drive shaft seals using a puller. 3. (Right...
Selector device 1 - finishing the parking brake hole, 2 - lower trim of the center console, 3 - cover, 4 - selector assembly, 5 - automatic transmission control cable, 6 - bracket for fastening the automatic transmission control cable,...
Replacing the cardan shaft seal (A540N) 1. Drain the oil from the transfer case. 2. Remove cardan shaft. 3. Using a puller, remove the cardan shaft seal. 4. Install the cardan shaft seal. A) Lubricate the seal lip with grease. b) Using a mandrel, install a...
Gear box assembly A245E 1 - right drive shaft, 2 - air filter assembly, 3 - wiring harness (to the starter), 4, 5 - retaining ring, 6 - left drive shaft, 7 - torque converter, 8 - latch, 9 - protection of the torque converter drive...
Checking the torque converter and torque converter drive plate 1. If the automatic transmission fluid is contaminated, flush the torque converter and fluid cooler. 2. Checking the freewheel. A) Install the special tool in the inner race of the freewheel. b) Install the special tool...
Transfer case (A540N) — general information 4WD vehicles have permanent all-wheel drive, the so-called "Full time 4WD", with automatic locking center differential. Depending on the configuration, blocking can be carried out in two ways: 1) With mechanical locking...
Transfer box device 1 - holder of the cover of the crankcase of the transfer case, 2 - sealing ring, 3 - locating pin, 4 - driven gear of the pump drive, 5 - sealing ring, 6 - filter, 7 - shaft of the drive gear of the main gear assembly,...