Inspection Procedure 1: The vehicle does not run at any range.


PROBABLE CAUSES



  • Malfunction of the engine
  • Insufficient A/T fluid level
  • Poor adjustment of transmission control cable
  • Malfunction of the torque converter
  • Malfunction of the valve body assembly
  • A/T failure: Hydraulic system (valve body assembly, oil pump), driving force transmission system (parking mechanism, clutch/brake, gears)

DIAGNOSIS PROCEDURE

STEP 1. Check the engine performance.

Q. Is the check result normal?
Go to Step 2.
Repair the failure, and perform adjustment.

STEP 2. Check the transmission control cable.
Check the installation status of transmission control cable and inhibitor switch.

Q. Is the check result normal?
Go to Step 3.
Adjust the installation status of transmission control cable and inhibitor switch. .

STEP 3. Check the A/T fluid.
Check the A/T fluid for seizure, fouling, and foreign material.

Q. Is the check result normal?
Go to Step 4.
Go to Step 7.

STEP 4. Check the A/T fluid level.
Check if the A/T fluid level is adequate.

Q. Is the check result normal?
Go to Step 5.
Check and repair the leakage point of the A/T fluid, add the A/T fluid, and then go to Step 5.

STEP 5. Perform a hydraulic test.
Refer to .

Q. Is the check result normal?
Go to Step 6.
Go to Step 7.

STEP 6. Replace the torque converter.

Q. Is the failure resolved?
The procedure is complete.
Go to Step 7.

STEP 7. Remove the transmission assembly from the vehicle.
Disassemble and check the transmission assembly to check if there is a foreign material inside.

Q. Is the check result satisfactory?
Replace the transmission assembly.
Replace the failure part.