Chẩn đoán hộp số tự động AT với máy chẩn đoán

Tài liệu hướng dẫn kỹ thuật viên chẩn đoán phần Chẩn đoán hộp số tự động AT với máy chẩn đoán G-Scan

Planetary gear )

17 http://www.uotdealereducation.com/REPOSITORY/

COURSE/mm/%7B2298841B-0F09-4776-A0BF- 2827B5D30E9D%7D.SWF ture

Sun gear Ring gear Carrier Single pinion Fixed Output Input (Zs+Zr)/Zr > 1 (Increase)

Fixed Input Output Zr/(Zs+Zr) < 1 (De- crease) Input Fixed Output Zs/(Zs+Zr) < 1(Decrease) Output Fixed Input (Zs+Zr)/Zs > 1(Increase)

Input Output Fixed -(Zs/Zr) > -1

Output Input Fixed -(Zr/Zs) < -1

Zs => Sun gear teeth Zr => Ring gear teeth

Planetary Gear Mecanism Simulation.LNK ÀÚà¿ º¯ẳể±õ ÀỹÃẳ ture.

A/T Clutch & Brake )

How to work A/T by Lego )

ELANTRA / AVANTE (HD)

CERATO / FORTE (TD)

5 ~2010: 1.6=>A4CF1, 2.0=>A4CF2 - System, Data analysis and Stall test -

Fluid pressure balance piston 3EA 3EA

Solenoid valve 6EA (PWM:5EA, VFS:1EA) 6EA (PWM:5EA, VFS:1EA) Gear shift position 7 range (P,R,N,D,3,2,L) 7 range (P,R,N,D,3,2,L)

2.0=>A4CF2 -Valve body-

PWM (Pulse Width Modulation) solenoid

PCSV-D (TCC SV) DCC solenoid

Solenoid Operating Table -

PWM solenoid valve-

Changed by ampere control

UD/C OD/C REV/C 2-4/B LR/B OWC

The torque converter stall test evaluates the engine's maximum speed while in drive or reverse, indicating the torque converter's performance It assesses the functionality of the starter motor and one-way clutch, as well as the holding ability of the transmission's clutches and brakes.

1 Check the automatic transmission fluid level and temperature and the engine coolant temperature.

A Fluid level : At the HOT mark on the oil level gauge B Fluid temperature : 80~100°C (176~212°F)

C Engine coolant temperature : 80~100°C (176~212°F) 2 Check both rear wheels (left and right).

3 Pull the parking brake lever on, with the brake pedal fully depressed.

5 Move the select lever to the "D" position, fully depress the accelerator pedal and take a reading of the maximum engine speed at this time.

● The throttle should not be left fully open for any more than eight seconds.

● If carrying out the stall test two or more times, move the select lever to the

"N" position and run the engine at 1,000 r/min to let the automatic transaxle fluid cool down before carrying out subsequent tests.

● Move the select lever to the "R" position and carry out the same test again.

R range slip Reverse REV in D range normal

D1 rang slip D range 1 st / Sports mode 1 st L/R in reverse range abnormal

UD in reverse range normal -Hydraulic Circuit R range-

- Input speed(PG-A), Output speed(PG-B) -

- Input speed(PG-A), - Output speed(PG- B).

System, Data analysis and Stall test -

Engine model Gasoline 2.0 MPI Gasoline 1.6

Torque converter size ỉ236 mm (9.2913 in.) ỉ225 mm (8.8583 in.)

Fluid pressure balance piston 2EA 2EA

Solenoid valve 8EA (VFS:6EA, ON/OFF:2EA) 8EA (VFS:6EA, ON/OFF:2EA) Shift lever position 4 Range (P,R,N,D) 4 Range (P,R,N,D)

Valve body-

N UD/B LR/B 26/B 35R/C OD/C OWC

Input shaft & Output shaft sensor position

- Input speed(PG-A), - Output speed(PG-B).

HIVEC (F4A42-2) HIVEC (F4A42-2)

Overhaul (Analysis of mechanical problems)

Analysis of mechanical problems)

Release bearingCenter bearingRelease folk

Analysis of mechanical problems)

Torque converter Leak check

Torque converter Check

The major wear points inside a torque converter are these thrust surfaces

Internal end play increases as these surfaces wear.

A quick end-play check can be made by gripping the turbine or stator splines and trying to move the turbine or stator in and out.

Torque converter Clutches

FIGURE 9-18 The turbine has a series of damper strings that connect to the clutch disc (a) Many clutch discs have a damper assembly at the center (b) (a is courtesy of Chrysler Corporation;

B is courtesy of Tribco, Inc.)

Oil pump

113 Input&Output Sensor Input&Output Sensor

Under drive clutch Under drive clutch

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clutch (HIVEC)

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언언 언언언언언언 언언언 언언언 / 언언언언 언언 언언언 언언언언언언

언언언언 언언 언언언언언언 언언언언

2 ND Disc & Plates 2 ND Return Spring