Automatic transmission Toyota Carina 6 (T190)

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 locking clutches, four brakes and three freewheel clutches. Power from the engine is transmitted through the torque converter to the input shaft of the...

Hydraulic part of the control system (2WD)
The control system includes: a pump, a valve block, electromagnetic valves (solenoids), hydraulic accumulators, clutches and brakes. The main pressure in the system is created by the pump, it is regulated depending on...

Electrical part of the automatic transmission control system (A241E and A245E)
The electric control system /for the automatic transmission provides extremely precise control of gear shifting and torque converter locking moments depending on the vehicle's driving modes and engine operation. In...

Automatic transmission — general information (A540H)
The A540N automatic transmission consists of a torque converter with a lock-up clutch, a 3-speed planetary gearbox with an overdrive planetary row, a transfer case and a control system consisting of hydraulic and...

Planetary gearbox (A540N)
The planetary gearbox contains three planetary gear sets, three locking clutches, four brakes and three freewheel clutches. Power from the engine is transmitted through the torque converter to the input shaft of the...

Hydraulic part of the control system (A540N)
Transmission The control system includes: an oil pump, a valve block, electromagnetic valves (solenoids), hydraulic accumulators, locking clutches and brakes. The main pressure in the system is created by the oil pump,...

Checking and adjusting the throttle valve control cable
Note: check the level of the working fluid in the automatic transmission and the oil level in the transfer case (checking is provided in " Maintenance "). 1. Press the accelerator pedal all the way down and make sure...

Checking and adjusting the automatic transmission control rod
1. When moving the selector from the "N" position to other positions, it should move freely, and the indicator should correctly indicate the selected position. If the indicator incorrectly shows the selected position,...

Checking and adjusting the engine start inhibit switch
1. Make sure that the engine can only be started when the selector lever is in position "N" or "P". 2. If the engine can be started in other positions, adjust the engine start inhibit switch. a) Loosen the neutral start...

Checking the idle speed (N range)
Check the idle speed with the selector lever in the "N" position and the air conditioner off. Idle speed: Except A241L - 650-750 rpm A241L — 750-850 rpm

Gearbox diagnostics
Note: - malfunctions occurring in the gearbox may be related either to the engine, or to the control system, or to the gearbox itself. Therefore, before starting the check, it is necessary to determine the area of their...

Self-diagnosis system (A241E, A245E and A540H) — general information
1. The self-diagnosis function is built into the electronic control unit of the automatic transmission. Using the upshift indicator, the system informs about a malfunction that has occurred in the automatic...

Checking the Overdrive Off Indicator
1. Turn on the ignition. 2. The indicator should light when the overdrive switch is in the "OFF" position. 3. Turn the overdrive switch to the "ON" position: the indicator should go out. If the indicator flashes, this...

Reading fault codes
1. Turn on the ignition and set the overdrive switch to the "ON" position. Caution: Do not start the engine. Table. Error codes. A241E, A245E (until 1994.) Note: codes 62, 63, 64, 68 indicate a fault in the electrical...

Resetting fault codes
1. After repair, clear the memory of the automatic transmission control unit from the fault codes stored there. To do this, remove the "EFI" fuse for 10 or more seconds, depending on the ambient temperature (the lower...

Checking gear shifting
Note: This test helps determine whether the problem is electrical or mechanical in the transmission. 1. Disconnect the solenoid valve connector. A245E before 1994, A241E A245E A540N 2. Gear changes should be performed...

Checking the voltage at the «TT» terminal of the automatic transmission and engine control unit
Caution: Do not open the control unit cover unnecessarily (if you touch the pin of an integrated circuit, it may be damaged by static electricity). 1. Checking the signal from the throttle position sensor. a) Turn on...

Electrical Component Locations
A245E until 1994, A241E 1 - engine coolant temperature sensor, 2 - throttle position sensor, 3 - diagnostic connector, 4 - electromagnetic valve No.2, 5 - engine start prohibition switch, 6 - electromagnetic valve No.2,...

Checking the electrical components of the control system (A241E, A245E and A540H)
1. Check the voltage in the automatic transmission and engine control unit connector. a) Remove the center panel. b) Turn on the ignition. c) Measure the voltage at each terminal of the automatic transmission control...

Electrical components (A241L)
1. Check the engine start inhibit switch. Check the conductivity between the connector terminals indicated in the table. 2. Check the overdrive solenoid valve. a) Disconnect the solenoid valve connector. b) Measure the...

Checking the selector lock
1. Turn the ignition key to the "ON" position. 2. Move the selector to position "P" and release the selector lock. 3. Make sure that the selector is locked in this position. 4. While holding the brake pedal down, make...

Checking the ignition key lock
1. Turn the ignition key to the "ACC" position. 2. Unlock the selector by pressing the button and move the selector to any position except "P". 3. Make sure that the ignition key cannot be turned to the "LOCK" position....

Checking the selector release solenoid valve
1. Disconnect the solenoid valve connector and check that the solenoid operates when battery voltage is applied to terminals SLS+ (+12 V) and SLS- (-12 V). Note: Please perform the test within a short period of time.

Checking the ignition key lock solenoid valve
1. Disconnect the solenoid valve connector and check that the valve operates when battery voltage is applied to terminals KLS+ (+12 V) and KLS- (-12 V). Note: Please perform the test within a short period of time.

Selector locking system device
1 - ignition key lock electromagnetic valve, 2 - brake light switch, 3 - selector release switch, 4 - electromagnetic valve for unlocking the selector, 5 - selector lock control unit switch, 6 - selector lock control...

Checking the selector release switch
1. Disconnect the switch connector and check the continuity between the connector terminals indicated in the table. If there is no continuity between the specified 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 specified in the table " Voltage at the terminals of the selector lock control unit connector ". Note: Before...

Checking mechanical transmission systems: test on a fully braked vehicle (stall test)
This test checks the performance of the gearbox and engine by measuring the rotation speed at maximum load in the "D" and "R" ranges. Note: - the test should be carried out at normal operating temperature of the working...

Checking the gear engagement time
If, with the engine idling, you move the selector to the "D" or "R" position, some time must pass before the gear is engaged. The size of this delay can be used to judge the serviceability of the gearbox components....

Checking the pressure in the main line (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. Please note: Always check the pressure...

Checking the pressure of the speed regulator (A241L)
1. Warm up the automatic transmission to operating temperature (50-80°C). 2. Jack up the car. Table. Line pressure (A540N before 1994.) 3. Unscrew the plug of the speed regulator channel and install a pressure gauge in...

Test of the interaxle differential lock clutch (A540N before 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. Apply the parking brake and place...

Test of the interaxle differential lock clutch (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. Caution: Perform the check with two...

Road test
Note: Before starting the test, warm up the automatic transmission fluid to a temperature of 50-80°C. Test on "D" range Move the selector to the "D" range and press the accelerator pedal all the way down. 1. Check for...

Throttle Control Cable — Removal and Installation (A241L, A241E, A245E)
Note: Install in the reverse order of removal. 1. Wash the outer surfaces of the gearbox housing. 2. Unscrew the drain plug in the gearbox pan and drain the working fluid into a suitable container. Tightening torque -...

Throttle 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. Loosen the...

Throttle valve control cable device
A241L, A241E, A245E 1 - spring washer, 2 - engine start prohibition switch lever, 3 - washer, 4 - start inhibit switch, 5 - bolt, 6 - bracket, 7 - retainer, 8 - gasket, 9 - magnet, 10 - engine protection cover, 11 -...

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. Tightening torque: A241L, A241E, A245E - 18 Nm A540N - 50 NM A540N Except A540H 3....

Drive shaft seal assembly (A241L, A241E, A245E)
1 - right drive shaft, 2 - retaining ring, 3 - left drive shaft, 4 - steering rod end, 5, 6 - cotter pin, 7 - washer, 8 - oil seal, 9 - gasket, 10 - engine protection cover, 11 - oil seal.

Replacing drive shaft seals
Removal 1. Remove the left and right drive shafts (see chapter " Drive shafts "). 2. (Except for the right drive shaft seal A540N) Remove the left and right drive shaft seals using a puller. 3. (Right drive shaft seal...

Cardan shaft seal device (A540N)
1 - oil seal, 2 - washer, 3 - cardan shaft, 4 - washer, 5 - gasket, 6 - exhaust pipe.

Selector device
1 - parking brake hole trim, 2 - lower trim of the central console, 3 - cover, 4 - selector assembly, 5 - automatic transmission control cable, 6 - automatic transmission control cable mounting bracket, 7 - retainer, 8...

Replacing the propeller shaft seal (A540N)
1. Drain the oil from the transfer case. 2. Remove the driveshaft. 3. Using a puller, remove the propeller shaft seal. 4. Install the propeller shaft seal. a) Lubricate the working edge of the oil seal with consistent...

Gearbox assembly device
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 - retainer, 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 the working fluid cooler. 2. Checking the freewheel clutch. a) Install the special tool into the inner race of the freewheel clutch....

Transfer case (A540N) — general information
4WD vehicles have permanent all-wheel drive, the so-called "Full time 4WD", with automatic interaxle differential lock. Depending on the configuration, locking can be done in two ways: 1) With mechanical locking system...

Transfer case device
1 - transfer case cover holder, 2 - sealing ring, 3 - mounting pin, 4 - driven gear of the pump drive, 5 - sealing ring, 6 - filter, 7 - shaft of the main transmission drive gear assembly, 8 - gasket, 9 - sealing ring,...

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