Inspection Procedure 12: Does not Shift Properly (some Point)




COMMENTS ON TROUBLE SYMPTOM


If some of the shift points are early or late when driving, the cause is probably a malfunction of valve body.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Check when the shift points early or late.


Q. Are the shift points early or late only when A/T fluid is -20°C or less, or 125°C or more?

Is not abnormal.
Go to Step 2.

STEP 2. M.U.T.-III actuator test


(1)Test drive the vehicle (Refer to Road Test, Inspection procedure 8 ).
(2)Check that the gear shifting corresponds to the standard shift line of the shift pattern diagram.

Q. Is the check result normal?

The inspection is complete.
Replace the A/T-ECU <4M4> or engine-A/T-ECU <6G7>.