2201906

1.

IG KEY : ON, Engine : ON

2.

Connect Scantool, select Service Data procedure.

3.

Select Engine RPM, Input speed,Output speed , TRANSAXLE RANGE. Do graphic mode.

4.

Stall test procedure in D2

5.

Compare with under the data

caution

Stall test procedure and reason in D2

a.

PROCEDURE

a.

1. Warm up the engine

b.

2. In case vehicle doesnot have HOLD SW with Installed A/T A4AF3 , doesn’t start 2nd gear in normal.

c.

3. Break down PG-A or PG-B sensor optionally, make FAIL state with A/T

d.

4. After positioning the select lever in“2”, depress the foot brake fully and the accelator

＊the slippage of K/D band can be detected by stall test in D2.

b.

Reason

a.

1.If there is no mechanical defaults in A/T, every slippage occur in torque converter.

b.

2 Therfore, engine revolution is out, but input and output speed revolution must be “zero” due to wheel’s lock

c.

3. If K/D band system(2nd gear operating part) have faults, input speed revolution will be out.

d.

4. If output speed revolution is out. It means that the foot brake is not applied fully. Try again.

caution

6.

Is input speed displayed near the specified value?

YES

a.

Check that output sensor’s measured value is not normal. PG-A(IN),PG-B(OUT) (refer to DTC list P0717 PG-A,P0722 PG-B)

b.

After erasing the code memory, confirm trouble code again.

NO

a.

In case of detecting revolution of input speed sensor.

- UD clutch and K/D band are faulty or oil pressure system defect(replace the A/T ASS’Y)

- Repair, verify Verification Veh. Repair

b.

In case of detecting revolution of output speed sensor

－ Brake operate illegaliy or Tire revolution , the foot Brake depress fully. Try again.