Inspection Procedure 6: The torque converter is not locked up.


PROBABLE CAUSES



  • Poor adjustment of inhibitor switch
  • Failure of the inhibitor switch main unit
  • Malfunction of the A/T-ECU
  • Poor installation of A/T and engine
  • Malfunction of the torque converter

DIAGNOSIS PROCEDURE

STEP 1. Check and adjust the inhibitor switch.
Refer to ,.
If the inhibitor switch has a failure, replace it, and then check the trouble symptom again.

Q. Is the check result normal?
The procedure is complete.
Go to Step 2.

STEP 2. Replace the A/T-ECU.

Q. Is the failure resolved?
The procedure is complete.
Go to Step 3.

STEP 3. Check the installation position of the transmission assembly and the engine.
Is the installation of transmission assembly and the engine normal? Compare and check the axial direction position with the same model vehicle.

Q. Is the check result normal?
Go to Step 4.
Repair the installation.

STEP 4. Check the A/T fluid.
Check the A/T fluid for burning, fouling, and foreign material.

Q. Is the check result normal?
Replace the torque converter.
Replace the transmission assembly..