Standard value to rpm Evaluation

TEST RESULT AND POSSIBLE CAUSE

Test Result

Possible Cause

2006 TRANSMISSION A750E Automatic Transaxle - Sequoia

• Stator one-way clutch is not operating properly

Stall speed is lower than

• Torque converter is faulty (stall speed is less than standard

standard value

value by 600 rpm or more)

• Engine power may be insufficient

• Line pressure is low

Stall speed is higher than

• Clutch No. 1 (C1) slipping

standard value

• One-way clutch No. 3 (F3) is not operating properly

• Improper fluid level

2. SHIFT TIME LAG TEST

HINT:

This test is to check the condition of the direct clutch, forward clutch, 1st brake and reverse brake.

a. Connect the intelligent tester to the CAN VIM. Then connect the CAN VIM to the DLC3.

b. Run the vehicle until the transmission fluid temperature has reached 50 to 80°C (122 to 176°F).

c. Allow the engine to idle with the air conditioning OFF.

d. Set the parking brake and keep the brake pedal depressed firmly.

e. Check the D range time lag.

1. Shift the shift lever into the N position and wait for 1 minute.

2. Shift the shift lever into the D position and measure the time until the shock is felt.

3. Repeat the 2 procedures above 3 times, and calculate the average time of the 3 tests.

f. Check the R range time lag.

1. Shift the shift lever into the N position and wait for 1 minute.

2. Shift the shift lever into the R position and measure the time until the shock is felt.

3. Repeat the 2 procedures above 3 times, and calculate the average time of the 3 tests.

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