Inspection Procedure 11: Does not shift properly (all points)




COMMENTS ON TROUBLE SYMPTOM


If all shift points are early or late while driving, the cause is probably a malfunction of the output shaft speed sensor, throttle position sensor, or engine-A/T-ECU.

PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III data list


Item 0002: Output shaft speed sensor (Refer to data list reference table ).

Q. Is the check result normal?

Go to Step 2.
Refer to diagnosis code 23: Output shaft speed sensor system .

STEP 2. M.U.T.-III data list


Item 11: Throttle position sensor (Refer to data list reference table ).

Q. Is the check result normal?

Go to Step 3.
Check the throttle position sensor system (Refer to GROUP 13A, Troubleshooting <Except for Hong Kong and Singapore> or Refer to GROUP 13B, Troubleshooting <Vehicles for Hong Kong and Singapore>).

STEP 3. M.U.T.-III actuator test


(1)Item 14: INVECS-II cancel command
(2)Test drive the vehicle (Refer to Road Test, Inspection procedure 8 ).
(3)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 engine-A/T-ECU.