Inspection Procedure 11: Does not Shift Properly (all Points)




COMMENTS ON TROUBLE SYMPTOM




PROBABLE CAUSES



  • Malfunction of output shaft speed sensor
  • Malfunction of throttle position sensor
  • Malfunction of the A/T-ECU

DIAGNOSIS PROCEDURE


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


Item 06: Output shaft speed sensor (Refer to data list reference table ).

Q. Is the check result normal?

Go to Step 2.
Refer to diagnosis code P1767: Output shaft speed sensor system .

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


Item 35: Accelerator pedal 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 ).

STEP 3. 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.